./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_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 28abced7878c2be916ea5a54f12b603c21b6525f16f4a0aadbf776b589e0bc49 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 20:38:17,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 20:38:17,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 20:38:17,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 20:38:17,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 20:38:17,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 20:38:17,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 20:38:17,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 20:38:17,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 20:38:17,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 20:38:17,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 20:38:17,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 20:38:17,211 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 20:38:17,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 20:38:17,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 20:38:17,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 20:38:17,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 20:38:17,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 20:38:17,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 20:38:17,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 20:38:17,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 20:38:17,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 20:38:17,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 20:38:17,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 20:38:17,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 20:38:17,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 20:38:17,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 20:38:17,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 20:38:17,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 20:38:17,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 20:38:17,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:38:17,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 20:38:17,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 20:38:17,222 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 20:38:17,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 20:38:17,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 20:38:17,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 20:38:17,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 20:38:17,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 20:38:17,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 20:38:17,225 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 20:38:17,226 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 -> 28abced7878c2be916ea5a54f12b603c21b6525f16f4a0aadbf776b589e0bc49 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 20:38:17,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 20:38:17,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 20:38:17,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 20:38:17,493 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 20:38:17,493 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 20:38:17,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.i [2024-10-18 20:38:18,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 20:38:19,184 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 20:38:19,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.i [2024-10-18 20:38:19,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ba452d1e/6b151038d4fc447ab7f9f6ca6fc3e94e/FLAG0a84468b2 [2024-10-18 20:38:19,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ba452d1e/6b151038d4fc447ab7f9f6ca6fc3e94e [2024-10-18 20:38:19,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 20:38:19,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 20:38:19,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 20:38:19,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 20:38:19,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 20:38:19,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b6d70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19, skipping insertion in model container [2024-10-18 20:38:19,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 20:38:19,452 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/safe004_tso.i[945,958] [2024-10-18 20:38:19,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:38:19,595 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 20:38:19,607 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/safe004_tso.i[945,958] [2024-10-18 20:38:19,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:38:19,671 INFO L204 MainTranslator]: Completed translation [2024-10-18 20:38:19,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19 WrapperNode [2024-10-18 20:38:19,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 20:38:19,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 20:38:19,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 20:38:19,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 20:38:19,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,714 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-18 20:38:19,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 20:38:19,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 20:38:19,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 20:38:19,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 20:38:19,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 20:38:19,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 20:38:19,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 20:38:19,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 20:38:19,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (1/1) ... [2024-10-18 20:38:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:38:19,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:38:19,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 20:38:19,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 20:38:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 20:38:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 20:38:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 20:38:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 20:38:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 20:38:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 20:38:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 20:38:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 20:38:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 20:38:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 20:38:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 20:38:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 20:38:19,884 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 20:38:19,990 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 20:38:19,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 20:38:20,131 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 20:38:20,131 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 20:38:20,211 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 20:38:20,212 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 20:38:20,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:38:20 BoogieIcfgContainer [2024-10-18 20:38:20,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 20:38:20,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 20:38:20,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 20:38:20,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 20:38:20,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:38:19" (1/3) ... [2024-10-18 20:38:20,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203f6075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:38:20, skipping insertion in model container [2024-10-18 20:38:20,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:19" (2/3) ... [2024-10-18 20:38:20,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203f6075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:38:20, skipping insertion in model container [2024-10-18 20:38:20,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:38:20" (3/3) ... [2024-10-18 20:38:20,220 INFO L112 eAbstractionObserver]: Analyzing ICFG safe004_tso.i [2024-10-18 20:38:20,237 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 20:38:20,238 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 20:38:20,238 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 20:38:20,283 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 20:38:20,329 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 20:38:20,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 20:38:20,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:38:20,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 20:38:20,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 20:38:20,422 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 20:38:20,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:38:20,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 20:38:20,454 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;@24d18fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 20:38:20,455 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 20:38:21,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 20:38:21,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:38:21,405 INFO L85 PathProgramCache]: Analyzing trace with hash 718426416, now seen corresponding path program 1 times [2024-10-18 20:38:21,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:38:21,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000093818] [2024-10-18 20:38:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:21,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:38:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:38:21,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:38:21,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000093818] [2024-10-18 20:38:21,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000093818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:38:21,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:38:21,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 20:38:21,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491989626] [2024-10-18 20:38:21,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:38:21,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:38:21,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:38:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:38:21,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:38:21,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:38:21,985 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:38:21,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:38:21,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:38:22,306 INFO L85 PathProgramCache]: Analyzing trace with hash -995898954, now seen corresponding path program 1 times [2024-10-18 20:38:22,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:38:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:38:22,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:22,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:38:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:38:22,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:38:22,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:38:22,860 INFO L85 PathProgramCache]: Analyzing trace with hash -988908540, now seen corresponding path program 1 times [2024-10-18 20:38:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:22,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:22,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash -130609442, now seen corresponding path program 1 times [2024-10-18 20:38:23,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,391 INFO L85 PathProgramCache]: Analyzing trace with hash 2123027159, now seen corresponding path program 1 times [2024-10-18 20:38:23,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2008147711, now seen corresponding path program 1 times [2024-10-18 20:38:23,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1865894568, now seen corresponding path program 1 times [2024-10-18 20:38:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2007580733, now seen corresponding path program 1 times [2024-10-18 20:38:23,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1865876319, now seen corresponding path program 1 times [2024-10-18 20:38:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1168568522, now seen corresponding path program 1 times [2024-10-18 20:38:23,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash -93098789, now seen corresponding path program 1 times [2024-10-18 20:38:23,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:23,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:23,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash 175382367, now seen corresponding path program 1 times [2024-10-18 20:38:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:24,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2128114272, now seen corresponding path program 1 times [2024-10-18 20:38:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2146859186, now seen corresponding path program 1 times [2024-10-18 20:38:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2146292205, now seen corresponding path program 1 times [2024-10-18 20:38:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:24,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,423 INFO L85 PathProgramCache]: Analyzing trace with hash 484877597, now seen corresponding path program 1 times [2024-10-18 20:38:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:24,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:25,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1866472683, now seen corresponding path program 1 times [2024-10-18 20:38:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:25,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:25,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2026071077, now seen corresponding path program 1 times [2024-10-18 20:38:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:25,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:25,648 INFO L85 PathProgramCache]: Analyzing trace with hash 285237134, now seen corresponding path program 1 times [2024-10-18 20:38:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:25,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash -739410327, now seen corresponding path program 1 times [2024-10-18 20:38:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1500175783, now seen corresponding path program 1 times [2024-10-18 20:38:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1433872230, now seen corresponding path program 1 times [2024-10-18 20:38:26,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1482599121, now seen corresponding path program 1 times [2024-10-18 20:38:26,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1284077813, now seen corresponding path program 1 times [2024-10-18 20:38:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1433306206, now seen corresponding path program 1 times [2024-10-18 20:38:26,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1616326141, now seen corresponding path program 1 times [2024-10-18 20:38:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:26,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:27,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1906380323, now seen corresponding path program 1 times [2024-10-18 20:38:27,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:38:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:38:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:27,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:38:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:38:28,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 20:38:28,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 20:38:28,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 20:38:28,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 20:38:28,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 20:38:28,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable0,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-10-18 20:38:28,124 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, 1, 1, 1, 1] [2024-10-18 20:38:28,128 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 20:38:28,128 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 20:38:28,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 08:38:28 BasicIcfg [2024-10-18 20:38:28,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 20:38:28,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 20:38:28,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 20:38:28,132 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 20:38:28,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:38:20" (3/4) ... [2024-10-18 20:38:28,137 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 20:38:28,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 20:38:28,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 20:38:28,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 20:38:28,145 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-10-18 20:38:28,145 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-18 20:38:28,146 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 20:38:28,146 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 20:38:28,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 20:38:28,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 20:38:28,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 20:38:28,227 INFO L158 Benchmark]: Toolchain (without parser) took 9005.85ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 86.2MB in the beginning and 176.9MB in the end (delta: -90.7MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-10-18 20:38:28,228 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 20:38:28,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.04ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 63.5MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 20:38:28,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 142.6MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:38:28,230 INFO L158 Benchmark]: Boogie Preprocessor took 20.08ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 20:38:28,230 INFO L158 Benchmark]: RCFGBuilder took 476.62ms. Allocated memory is still 142.6MB. Free memory was 59.9MB in the beginning and 95.4MB in the end (delta: -35.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-10-18 20:38:28,230 INFO L158 Benchmark]: TraceAbstraction took 7916.59ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 94.0MB in the beginning and 181.1MB in the end (delta: -87.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-10-18 20:38:28,232 INFO L158 Benchmark]: Witness Printer took 95.43ms. Allocated memory is still 276.8MB. Free memory was 181.1MB in the beginning and 176.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 20:38:28,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.04ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 63.5MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 142.6MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.08ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.62ms. Allocated memory is still 142.6MB. Free memory was 59.9MB in the beginning and 95.4MB in the end (delta: -35.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7916.59ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 94.0MB in the beginning and 181.1MB in the end (delta: -87.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Witness Printer took 95.43ms. Allocated memory is still 276.8MB. Free memory was 181.1MB in the beginning and 176.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 897, dependent conditional: 843, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 853, independent: 768, independent conditional: 155, independent unconditional: 613, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 853, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 224, dependent conditional: 0, dependent unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4565, independent: 3053, independent conditional: 2845, independent unconditional: 207, dependent: 1513, dependent conditional: 661, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9043, independent: 7378, independent conditional: 1680, independent unconditional: 5698, dependent: 812, dependent conditional: 97, dependent unconditional: 715, unknown: 853, unknown conditional: 213, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 768, Positive conditional cache size: 155, Positive unconditional cache size: 613, Negative cache size: 85, Negative conditional cache size: 58, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6335, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 897, dependent conditional: 843, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 853, independent: 768, independent conditional: 155, independent unconditional: 613, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 853, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 224, dependent conditional: 0, dependent unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4565, independent: 3053, independent conditional: 2845, independent unconditional: 207, dependent: 1513, dependent conditional: 661, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9043, independent: 7378, independent conditional: 1680, independent unconditional: 5698, dependent: 812, dependent conditional: 97, dependent unconditional: 715, unknown: 853, unknown conditional: 213, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 768, Positive conditional cache size: 155, Positive unconditional cache size: 613, Negative cache size: 85, Negative conditional cache size: 58, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6335 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 691, Number of trivial persistent sets: 368, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 640, independent: 613, independent conditional: 0, independent unconditional: 613, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8430, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 284, dependent conditional: 257, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 897, dependent conditional: 843, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 853, independent: 768, independent conditional: 155, independent unconditional: 613, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 853, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 224, dependent conditional: 0, dependent unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4565, independent: 3053, independent conditional: 2845, independent unconditional: 207, dependent: 1513, dependent conditional: 661, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9043, independent: 7378, independent conditional: 1680, independent unconditional: 5698, dependent: 812, dependent conditional: 97, dependent unconditional: 715, unknown: 853, unknown conditional: 213, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 768, Positive conditional cache size: 155, Positive unconditional cache size: 613, Negative cache size: 85, Negative conditional cache size: 58, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6335, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 7482, independent unconditional: 664, dependent: 897, dependent conditional: 843, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9043, independent: 8146, independent conditional: 1835, independent unconditional: 6311, dependent: 897, dependent conditional: 155, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 853, independent: 768, independent conditional: 155, independent unconditional: 613, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 853, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 224, dependent conditional: 0, dependent unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 224, independent: 139, independent conditional: 131, independent unconditional: 8, dependent: 85, dependent conditional: 58, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4565, independent: 3053, independent conditional: 2845, independent unconditional: 207, dependent: 1513, dependent conditional: 661, dependent unconditional: 852, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9043, independent: 7378, independent conditional: 1680, independent unconditional: 5698, dependent: 812, dependent conditional: 97, dependent unconditional: 715, unknown: 853, unknown conditional: 213, unknown unconditional: 640] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 768, Positive conditional cache size: 155, Positive unconditional cache size: 613, Negative cache size: 85, Negative conditional cache size: 58, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6335 ], 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: 7.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.1s, 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: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 4.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 36, ConditionalCommutativityTraceChecks: 26, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 20:38:28,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 20:38:28,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE