./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a849f68 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 ../sv-benchmarks/c/pthread-wmm/safe027_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 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-25 14:20:39,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-25 14:20:39,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-25 14:20:39,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-25 14:20:39,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-25 14:20:39,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-25 14:20:39,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-25 14:20:39,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-25 14:20:39,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-25 14:20:39,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-25 14:20:39,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-25 14:20:39,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-25 14:20:39,671 INFO L153 SettingsManager]: * Use SBE=true [2024-10-25 14:20:39,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-25 14:20:39,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-25 14:20:39,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-25 14:20:39,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-25 14:20:39,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-25 14:20:39,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-25 14:20:39,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-25 14:20:39,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-25 14:20:39,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-25 14:20:39,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-25 14:20:39,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-25 14:20:39,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-25 14:20:39,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-25 14:20:39,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-25 14:20:39,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-25 14:20:39,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-25 14:20:39,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-25 14:20:39,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 14:20:39,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-25 14:20:39,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-25 14:20:39,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-25 14:20:39,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-25 14:20:39,681 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-25 14:20:39,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-25 14:20:39,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-25 14:20:39,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-25 14:20:39,682 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-25 14:20:39,682 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-25 14:20:39,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 [2024-10-25 14:20:39,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-25 14:20:39,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-25 14:20:39,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-25 14:20:39,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-25 14:20:39,942 INFO L274 PluginConnector]: CDTParser initialized [2024-10-25 14:20:39,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-25 14:20:41,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-25 14:20:41,586 INFO L384 CDTParser]: Found 1 translation units. [2024-10-25 14:20:41,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-25 14:20:41,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc60555a3/225a8a7d8c4b4e66a9629d0057175e8e/FLAG2cbf29820 [2024-10-25 14:20:41,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc60555a3/225a8a7d8c4b4e66a9629d0057175e8e [2024-10-25 14:20:41,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-25 14:20:41,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-25 14:20:41,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-25 14:20:41,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-25 14:20:41,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-25 14:20:41,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:20:41" (1/1) ... [2024-10-25 14:20:41,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e780a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:41, skipping insertion in model container [2024-10-25 14:20:41,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:20:41" (1/1) ... [2024-10-25 14:20:41,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-25 14:20:41,881 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-25 14:20:42,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 14:20:42,069 INFO L200 MainTranslator]: Completed pre-run [2024-10-25 14:20:42,081 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-25 14:20:42,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 14:20:42,158 INFO L204 MainTranslator]: Completed translation [2024-10-25 14:20:42,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42 WrapperNode [2024-10-25 14:20:42,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-25 14:20:42,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-25 14:20:42,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-25 14:20:42,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-25 14:20:42,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,199 INFO L138 Inliner]: procedures = 176, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-10-25 14:20:42,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-25 14:20:42,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-25 14:20:42,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-25 14:20:42,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-25 14:20:42,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-25 14:20:42,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-25 14:20:42,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-25 14:20:42,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-25 14:20:42,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (1/1) ... [2024-10-25 14:20:42,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 14:20:42,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 14:20:42,268 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) [2024-10-25 14:20:42,271 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 [2024-10-25 14:20:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-25 14:20:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-25 14:20:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-25 14:20:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-25 14:20:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-25 14:20:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-25 14:20:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-25 14:20:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-25 14:20:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-25 14:20:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-25 14:20:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-25 14:20:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-25 14:20:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-25 14:20:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-25 14:20:42,315 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-25 14:20:42,429 INFO L238 CfgBuilder]: Building ICFG [2024-10-25 14:20:42,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-25 14:20:42,593 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-25 14:20:42,593 INFO L287 CfgBuilder]: Performing block encoding [2024-10-25 14:20:42,680 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-25 14:20:42,680 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-25 14:20:42,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:20:42 BoogieIcfgContainer [2024-10-25 14:20:42,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-25 14:20:42,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-25 14:20:42,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-25 14:20:42,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-25 14:20:42,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 02:20:41" (1/3) ... [2024-10-25 14:20:42,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca0f6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:20:42, skipping insertion in model container [2024-10-25 14:20:42,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:20:42" (2/3) ... [2024-10-25 14:20:42,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca0f6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:20:42, skipping insertion in model container [2024-10-25 14:20:42,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:20:42" (3/3) ... [2024-10-25 14:20:42,692 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-25 14:20:42,707 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-25 14:20:42,708 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-25 14:20:42,708 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-25 14:20:42,757 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-25 14:20:42,793 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 14:20:42,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 14:20:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 14:20:42,795 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) [2024-10-25 14:20:42,796 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 [2024-10-25 14:20:42,826 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 14:20:42,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-25 14:20:42,843 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;@31f79568, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 14:20:42,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-25 14:20:43,868 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 2 more)] === [2024-10-25 14:20:43,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 14:20:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash 379898618, now seen corresponding path program 1 times [2024-10-25 14:20:43,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 14:20:43,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993158223] [2024-10-25 14:20:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 14:20:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 14:20:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 14:20:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 14:20:44,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 14:20:44,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993158223] [2024-10-25 14:20:44,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993158223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 14:20:44,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 14:20:44,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-25 14:20:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445888931] [2024-10-25 14:20:44,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 14:20:44,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-25 14:20:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 14:20:44,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-25 14:20:44,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-25 14:20:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:44,548 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 14:20:44,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 14:20:44,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:44,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-25 14:20:44,899 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 2 more)] === [2024-10-25 14:20:44,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 14:20:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash 304205627, now seen corresponding path program 1 times [2024-10-25 14:20:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 14:20:44,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789706557] [2024-10-25 14:20:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 14:20:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 14:20:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 14:20:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 14:20:45,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 14:20:45,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789706557] [2024-10-25 14:20:45,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789706557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 14:20:45,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 14:20:45,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-25 14:20:45,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674761210] [2024-10-25 14:20:45,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 14:20:45,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-25 14:20:45,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 14:20:45,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-25 14:20:45,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-25 14:20:45,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:45,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 14:20:45,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-10-25 14:20:45,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:45,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:45,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-25 14:20:45,276 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 2 more)] === [2024-10-25 14:20:45,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 14:20:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -571934244, now seen corresponding path program 1 times [2024-10-25 14:20:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 14:20:45,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200604035] [2024-10-25 14:20:45,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 14:20:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 14:20:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 14:20:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 14:20:45,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 14:20:45,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200604035] [2024-10-25 14:20:45,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200604035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 14:20:45,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 14:20:45,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-25 14:20:45,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656126564] [2024-10-25 14:20:45,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 14:20:45,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-25 14:20:45,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 14:20:45,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-25 14:20:45,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-25 14:20:45,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:45,492 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 14:20:45,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-10-25 14:20:45,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:45,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:45,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:46,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-25 14:20:46,661 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 2 more)] === [2024-10-25 14:20:46,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 14:20:46,662 INFO L85 PathProgramCache]: Analyzing trace with hash 239924120, now seen corresponding path program 2 times [2024-10-25 14:20:46,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 14:20:46,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372028936] [2024-10-25 14:20:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 14:20:46,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 14:20:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 14:20:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 14:20:46,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 14:20:46,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372028936] [2024-10-25 14:20:46,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372028936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 14:20:46,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 14:20:46,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-25 14:20:46,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337153724] [2024-10-25 14:20:46,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 14:20:46,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-25 14:20:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 14:20:46,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-25 14:20:46,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-25 14:20:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:46,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 14:20:46,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-10-25 14:20:46,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:46,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:47,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-25 14:20:47,406 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-25 14:20:47,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 14:20:47,407 INFO L85 PathProgramCache]: Analyzing trace with hash -536628484, now seen corresponding path program 3 times [2024-10-25 14:20:47,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 14:20:47,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739948125] [2024-10-25 14:20:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 14:20:47,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 14:20:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 14:20:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 14:20:47,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 14:20:47,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739948125] [2024-10-25 14:20:47,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739948125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 14:20:47,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 14:20:47,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-25 14:20:47,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860664712] [2024-10-25 14:20:47,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 14:20:47,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-25 14:20:47,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 14:20:47,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-25 14:20:47,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-25 14:20:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:47,602 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 14:20:47,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-10-25 14:20:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-25 14:20:48,108 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-25 14:20:48,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 14:20:48,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1522789192, now seen corresponding path program 4 times [2024-10-25 14:20:48,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 14:20:48,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017577278] [2024-10-25 14:20:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 14:20:48,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 14:20:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 14:20:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 14:20:48,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 14:20:48,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017577278] [2024-10-25 14:20:48,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017577278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 14:20:48,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 14:20:48,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-25 14:20:48,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548284753] [2024-10-25 14:20:48,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 14:20:48,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-25 14:20:48,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 14:20:48,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-25 14:20:48,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-25 14:20:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:48,219 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 14:20:48,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-10-25 14:20:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 14:20:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-25 14:20:48,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:48,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-25 14:20:48,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-25 14:20:48,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-10-25 14:20:48,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-10-25 14:20:48,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-25 14:20:48,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-25 14:20:48,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-25 14:20:48,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-25 14:20:48,932 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-10-25 14:20:48,935 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-25 14:20:48,935 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-25 14:20:48,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:20:48 BasicIcfg [2024-10-25 14:20:48,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-25 14:20:48,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-25 14:20:48,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-25 14:20:48,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-25 14:20:48,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:20:42" (3/4) ... [2024-10-25 14:20:48,941 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-25 14:20:48,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-25 14:20:48,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-25 14:20:48,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-25 14:20:48,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-10-25 14:20:48,950 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-10-25 14:20:48,950 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-25 14:20:48,950 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-25 14:20:48,951 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-25 14:20:49,032 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-25 14:20:49,032 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-25 14:20:49,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-25 14:20:49,033 INFO L158 Benchmark]: Toolchain (without parser) took 7414.47ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 96.8MB in the beginning and 88.3MB in the end (delta: 8.5MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-10-25 14:20:49,033 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-25 14:20:49,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.48ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 116.1MB in the end (delta: -19.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-25 14:20:49,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.68ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-25 14:20:49,034 INFO L158 Benchmark]: Boogie Preprocessor took 30.31ms. Allocated memory is still 157.3MB. Free memory was 114.0MB in the beginning and 112.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-25 14:20:49,035 INFO L158 Benchmark]: RCFGBuilder took 449.54ms. Allocated memory is still 157.3MB. Free memory was 112.7MB in the beginning and 92.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-25 14:20:49,035 INFO L158 Benchmark]: TraceAbstraction took 6255.48ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 91.0MB in the beginning and 92.5MB in the end (delta: -1.5MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2024-10-25 14:20:49,035 INFO L158 Benchmark]: Witness Printer took 94.19ms. Allocated memory is still 239.1MB. Free memory was 92.5MB in the beginning and 88.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-25 14:20:49,037 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 100.7MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.48ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 116.1MB in the end (delta: -19.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.68ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.31ms. Allocated memory is still 157.3MB. Free memory was 114.0MB in the beginning and 112.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 449.54ms. Allocated memory is still 157.3MB. Free memory was 112.7MB in the beginning and 92.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6255.48ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 91.0MB in the beginning and 92.5MB in the end (delta: -1.5MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. * Witness Printer took 94.19ms. Allocated memory is still 239.1MB. Free memory was 92.5MB in the beginning and 88.3MB 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: 115629, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 1755, dependent conditional: 1730, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115629, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 1755, dependent conditional: 1730, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115629, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 1755, dependent conditional: 1730, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 135947, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 22073, dependent conditional: 22048, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 135947, independent: 113874, independent conditional: 4184, independent unconditional: 109690, dependent: 22073, dependent conditional: 1229, dependent unconditional: 20844, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 135947, independent: 113874, independent conditional: 4184, independent unconditional: 109690, dependent: 22073, dependent conditional: 1229, dependent unconditional: 20844, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1074, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1074, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1836, independent: 779, independent conditional: 456, independent unconditional: 323, dependent: 1057, dependent conditional: 138, dependent unconditional: 919, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 135947, independent: 112833, independent conditional: 4163, independent unconditional: 108670, dependent: 22040, dependent conditional: 1221, dependent unconditional: 20819, unknown: 1074, unknown conditional: 29, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1074, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 129489, Maximal queried relation: 5, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 3287, Number of trivial persistent sets: 1705, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1045, independent: 1020, independent conditional: 0, independent unconditional: 1020, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 115629, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 1755, dependent conditional: 1730, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115629, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 1755, dependent conditional: 1730, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115629, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 1755, dependent conditional: 1730, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 135947, independent: 113874, independent conditional: 112854, independent unconditional: 1020, dependent: 22073, dependent conditional: 22048, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 135947, independent: 113874, independent conditional: 4184, independent unconditional: 109690, dependent: 22073, dependent conditional: 1229, dependent unconditional: 20844, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 135947, independent: 113874, independent conditional: 4184, independent unconditional: 109690, dependent: 22073, dependent conditional: 1229, dependent unconditional: 20844, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1074, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1074, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1836, independent: 779, independent conditional: 456, independent unconditional: 323, dependent: 1057, dependent conditional: 138, dependent unconditional: 919, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 135947, independent: 112833, independent conditional: 4163, independent unconditional: 108670, dependent: 22040, dependent conditional: 1221, dependent unconditional: 20819, unknown: 1074, unknown conditional: 29, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1074, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 129489, Maximal queried relation: 5, 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 9 procedures, 75 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 4.5s, 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: 37, 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, 1.3s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 902 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-25 14:20:49,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-25 14:20:49,264 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