./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.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/safe001_tso.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 d13e05ad1104a4a5317ff09857a34619cbd86966f0892caf9775309ccc15230d --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 02:13:42,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 02:13:42,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 02:13:42,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 02:13:42,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 02:13:42,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 02:13:42,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 02:13:42,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 02:13:42,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 02:13:42,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 02:13:42,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 02:13:42,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 02:13:42,825 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 02:13:42,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 02:13:42,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 02:13:42,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 02:13:42,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 02:13:42,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 02:13:42,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 02:13:42,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 02:13:42,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 02:13:42,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 02:13:42,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 02:13:42,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 02:13:42,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 02:13:42,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 02:13:42,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 02:13:42,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 02:13:42,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 02:13:42,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 02:13:42,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:13:42,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 02:13:42,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 02:13:42,832 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 02:13:42,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 02:13:42,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 02:13:42,833 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 02:13:42,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 02:13:42,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 02:13:42,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 02:13:42,834 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 02:13:42,838 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 -> d13e05ad1104a4a5317ff09857a34619cbd86966f0892caf9775309ccc15230d 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 02:13:43,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 02:13:43,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 02:13:43,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 02:13:43,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 02:13:43,075 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 02:13:43,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.i [2024-10-19 02:13:44,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 02:13:44,630 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 02:13:44,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.i [2024-10-19 02:13:44,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5fceffe62/5cb456ccb4634ef98dfb348f165a12af/FLAG2a5ecfa3f [2024-10-19 02:13:44,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5fceffe62/5cb456ccb4634ef98dfb348f165a12af [2024-10-19 02:13:44,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 02:13:44,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 02:13:44,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 02:13:44,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 02:13:44,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 02:13:44,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:13:44" (1/1) ... [2024-10-19 02:13:44,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373d979b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:44, skipping insertion in model container [2024-10-19 02:13:44,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:13:44" (1/1) ... [2024-10-19 02:13:44,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 02:13:44,901 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/safe001_tso.i[945,958] [2024-10-19 02:13:45,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:13:45,058 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 02:13:45,070 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/safe001_tso.i[945,958] [2024-10-19 02:13:45,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:13:45,157 INFO L204 MainTranslator]: Completed translation [2024-10-19 02:13:45,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45 WrapperNode [2024-10-19 02:13:45,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 02:13:45,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 02:13:45,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 02:13:45,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 02:13:45,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,195 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-19 02:13:45,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 02:13:45,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 02:13:45,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 02:13:45,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 02:13:45,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 02:13:45,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 02:13:45,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 02:13:45,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 02:13:45,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (1/1) ... [2024-10-19 02:13:45,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:13:45,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:13:45,251 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 02:13:45,256 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 02:13:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 02:13:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 02:13:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 02:13:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 02:13:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 02:13:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 02:13:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 02:13:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 02:13:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 02:13:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 02:13:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 02:13:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 02:13:45,297 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 02:13:45,434 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 02:13:45,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 02:13:45,581 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 02:13:45,581 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 02:13:45,655 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 02:13:45,656 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 02:13:45,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:13:45 BoogieIcfgContainer [2024-10-19 02:13:45,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 02:13:45,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 02:13:45,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 02:13:45,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 02:13:45,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:13:44" (1/3) ... [2024-10-19 02:13:45,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c37ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:13:45, skipping insertion in model container [2024-10-19 02:13:45,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:13:45" (2/3) ... [2024-10-19 02:13:45,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c37ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:13:45, skipping insertion in model container [2024-10-19 02:13:45,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:13:45" (3/3) ... [2024-10-19 02:13:45,667 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.i [2024-10-19 02:13:45,683 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 02:13:45,684 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 02:13:45,684 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 02:13:45,726 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 02:13:45,765 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 02:13:45,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 02:13:45,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:13:45,767 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 02:13:45,768 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 02:13:45,852 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 02:13:45,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:13:45,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 02:13:45,878 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;@361a19e2, 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 02:13:45,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 02:13:46,651 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 02:13:46,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:13:46,654 INFO L85 PathProgramCache]: Analyzing trace with hash 718426416, now seen corresponding path program 1 times [2024-10-19 02:13:46,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:13:46,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330348858] [2024-10-19 02:13:46,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:46,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:13:47,299 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 02:13:47,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:13:47,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330348858] [2024-10-19 02:13:47,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330348858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:13:47,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:13:47,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:13:47,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656220584] [2024-10-19 02:13:47,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:13:47,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:13:47,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:13:47,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:13:47,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:13:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:13:47,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:13:47,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 02:13:47,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:13:47,616 INFO L85 PathProgramCache]: Analyzing trace with hash -995898956, now seen corresponding path program 1 times [2024-10-19 02:13:47,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:47,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:13:47,796 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 02:13:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:47,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:13:47,884 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 02:13:47,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:13:47,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:13:48,117 INFO L85 PathProgramCache]: Analyzing trace with hash -988908542, now seen corresponding path program 1 times [2024-10-19 02:13:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,357 INFO L85 PathProgramCache]: Analyzing trace with hash -130609444, now seen corresponding path program 1 times [2024-10-19 02:13:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2123027155, now seen corresponding path program 1 times [2024-10-19 02:13:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,634 INFO L85 PathProgramCache]: Analyzing trace with hash 2008147703, now seen corresponding path program 1 times [2024-10-19 02:13:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1865894558, now seen corresponding path program 1 times [2024-10-19 02:13:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,888 INFO L85 PathProgramCache]: Analyzing trace with hash -93098812, now seen corresponding path program 1 times [2024-10-19 02:13:48,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,982 INFO L85 PathProgramCache]: Analyzing trace with hash 175382344, now seen corresponding path program 1 times [2024-10-19 02:13:48,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:48,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:48,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2128114247, now seen corresponding path program 1 times [2024-10-19 02:13:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2146859159, now seen corresponding path program 1 times [2024-10-19 02:13:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:49,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1866472622, now seen corresponding path program 1 times [2024-10-19 02:13:49,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:49,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,972 INFO L85 PathProgramCache]: Analyzing trace with hash 123864001, now seen corresponding path program 1 times [2024-10-19 02:13:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:49,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,013 INFO L85 PathProgramCache]: Analyzing trace with hash -688740635, now seen corresponding path program 1 times [2024-10-19 02:13:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,102 INFO L85 PathProgramCache]: Analyzing trace with hash -853501044, now seen corresponding path program 1 times [2024-10-19 02:13:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,132 INFO L85 PathProgramCache]: Analyzing trace with hash -689426781, now seen corresponding path program 1 times [2024-10-19 02:13:50,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,165 INFO L85 PathProgramCache]: Analyzing trace with hash -853523145, now seen corresponding path program 1 times [2024-10-19 02:13:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1482599008, now seen corresponding path program 1 times [2024-10-19 02:13:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1433306090, now seen corresponding path program 1 times [2024-10-19 02:13:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1616326267, now seen corresponding path program 1 times [2024-10-19 02:13:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1322150738, now seen corresponding path program 1 times [2024-10-19 02:13:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:50,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 02:13:51,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable0,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-19 02:13:51,007 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 02:13:51,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:13:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1342652934, now seen corresponding path program 1 times [2024-10-19 02:13:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:13:51,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522201945] [2024-10-19 02:13:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:51,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:13:51,122 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 02:13:51,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:13:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522201945] [2024-10-19 02:13:51,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522201945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:13:51,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:13:51,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:13:51,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363902908] [2024-10-19 02:13:51,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:13:51,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:13:51,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:13:51,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:13:51,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:13:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:13:51,125 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:13:51,125 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 02:13:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 02:13:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:13:51,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1866472808, now seen corresponding path program 1 times [2024-10-19 02:13:51,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:13:51,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:13:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:51,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:13:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:13:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 02:13:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:13:54,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-19 02:13:54,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-19 02:13:54,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-19 02:13:54,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-19 02:13:54,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-10-19 02:13:54,184 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-19 02:13:54,187 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-19 02:13:54,187 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-19 02:13:54,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:13:54 BasicIcfg [2024-10-19 02:13:54,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-19 02:13:54,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-19 02:13:54,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-19 02:13:54,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-19 02:13:54,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:13:45" (3/4) ... [2024-10-19 02:13:54,192 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-19 02:13:54,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-19 02:13:54,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-19 02:13:54,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-19 02:13:54,197 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-10-19 02:13:54,197 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-19 02:13:54,197 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-19 02:13:54,197 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-19 02:13:54,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-19 02:13:54,269 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-19 02:13:54,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-19 02:13:54,269 INFO L158 Benchmark]: Toolchain (without parser) took 9606.58ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 114.8MB in the beginning and 141.5MB in the end (delta: -26.7MB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. [2024-10-19 02:13:54,270 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 02:13:54,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.43ms. Allocated memory is still 184.5MB. Free memory was 114.6MB in the beginning and 149.9MB in the end (delta: -35.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-10-19 02:13:54,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.08ms. Allocated memory is still 184.5MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 02:13:54,271 INFO L158 Benchmark]: Boogie Preprocessor took 19.22ms. Allocated memory is still 184.5MB. Free memory was 147.8MB in the beginning and 146.9MB in the end (delta: 939.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 02:13:54,271 INFO L158 Benchmark]: RCFGBuilder took 441.45ms. Allocated memory is still 184.5MB. Free memory was 146.9MB in the beginning and 126.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-19 02:13:54,271 INFO L158 Benchmark]: TraceAbstraction took 8530.63ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 125.9MB in the beginning and 145.7MB in the end (delta: -19.8MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2024-10-19 02:13:54,272 INFO L158 Benchmark]: Witness Printer took 79.15ms. Allocated memory is still 362.8MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-19 02:13:54,273 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 184.5MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.43ms. Allocated memory is still 184.5MB. Free memory was 114.6MB in the beginning and 149.9MB in the end (delta: -35.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.08ms. Allocated memory is still 184.5MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.22ms. Allocated memory is still 184.5MB. Free memory was 147.8MB in the beginning and 146.9MB in the end (delta: 939.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.45ms. Allocated memory is still 184.5MB. Free memory was 146.9MB in the beginning and 126.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8530.63ms. Allocated memory was 184.5MB in the beginning and 362.8MB in the end (delta: 178.3MB). Free memory was 125.9MB in the beginning and 145.7MB in the end (delta: -19.8MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. * Witness Printer took 79.15ms. Allocated memory is still 362.8MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 1477, dependent conditional: 1427, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 949, independent: 874, independent conditional: 259, independent unconditional: 615, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 949, independent: 623, independent conditional: 0, independent unconditional: 623, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5272, independent: 4035, independent conditional: 3853, independent unconditional: 182, dependent: 1237, dependent conditional: 545, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15566, independent: 13215, independent conditional: 2811, independent unconditional: 10404, dependent: 1402, dependent conditional: 84, dependent unconditional: 1318, unknown: 949, unknown conditional: 309, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 949, Positive cache size: 874, Positive conditional cache size: 259, Positive unconditional cache size: 615, Negative cache size: 75, Negative conditional cache size: 50, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11643, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 1477, dependent conditional: 1427, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 949, independent: 874, independent conditional: 259, independent unconditional: 615, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 949, independent: 623, independent conditional: 0, independent unconditional: 623, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5272, independent: 4035, independent conditional: 3853, independent unconditional: 182, dependent: 1237, dependent conditional: 545, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15566, independent: 13215, independent conditional: 2811, independent unconditional: 10404, dependent: 1402, dependent conditional: 84, dependent unconditional: 1318, unknown: 949, unknown conditional: 309, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 949, Positive cache size: 874, Positive conditional cache size: 259, Positive unconditional cache size: 615, Negative cache size: 75, Negative conditional cache size: 50, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11643 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 680, Number of trivial persistent sets: 348, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 640, independent: 615, independent conditional: 0, independent unconditional: 615, 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: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14475, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 386, dependent conditional: 361, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 1477, dependent conditional: 1427, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 949, independent: 874, independent conditional: 259, independent unconditional: 615, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 949, independent: 623, independent conditional: 0, independent unconditional: 623, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5272, independent: 4035, independent conditional: 3853, independent unconditional: 182, dependent: 1237, dependent conditional: 545, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15566, independent: 13215, independent conditional: 2811, independent unconditional: 10404, dependent: 1402, dependent conditional: 84, dependent unconditional: 1318, unknown: 949, unknown conditional: 309, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 949, Positive cache size: 874, Positive conditional cache size: 259, Positive unconditional cache size: 615, Negative cache size: 75, Negative conditional cache size: 50, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11643, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 13420, independent unconditional: 669, dependent: 1477, dependent conditional: 1427, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15566, independent: 14089, independent conditional: 3070, independent unconditional: 11019, dependent: 1477, dependent conditional: 134, dependent unconditional: 1343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 949, independent: 874, independent conditional: 259, independent unconditional: 615, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 949, independent: 623, independent conditional: 0, independent unconditional: 623, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 326, independent: 251, independent conditional: 243, independent unconditional: 8, dependent: 75, dependent conditional: 50, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5272, independent: 4035, independent conditional: 3853, independent unconditional: 182, dependent: 1237, dependent conditional: 545, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15566, independent: 13215, independent conditional: 2811, independent unconditional: 10404, dependent: 1402, dependent conditional: 84, dependent unconditional: 1318, unknown: 949, unknown conditional: 309, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 949, Positive cache size: 874, Positive conditional cache size: 259, Positive unconditional cache size: 615, Negative cache size: 75, Negative conditional cache size: 50, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11643 ], 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: 8.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.5s, 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: 14, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 5.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 31, ConditionalCommutativityTraceChecks: 21, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-19 02:13:54,301 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 02:13:54,500 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