./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe026_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/safe026_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 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --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 21:12:24,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:12:24,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:12:24,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:12:24,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:12:24,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:12:24,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:12:24,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:12:24,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:12:24,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:12:24,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:12:24,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:12:24,338 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:12:24,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:12:24,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:12:24,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:12:24,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:12:24,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:12:24,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:12:24,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:12:24,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:12:24,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:12:24,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:12:24,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:12:24,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:12:24,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:12:24,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:12:24,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:12:24,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:12:24,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:12:24,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:12:24,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:12:24,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:12:24,344 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:12:24,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:12:24,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:12:24,345 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:12:24,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:12:24,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:12:24,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:12:24,346 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:12:24,346 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 -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d 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 21:12:24,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:12:24,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:12:24,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:12:24,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:12:24,577 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:12:24,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2024-10-18 21:12:25,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:12:26,118 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:12:26,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2024-10-18 21:12:26,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d2f566991/783d77a01c6a4e6698288c9a43cd178d/FLAG74da7921b [2024-10-18 21:12:26,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d2f566991/783d77a01c6a4e6698288c9a43cd178d [2024-10-18 21:12:26,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:12:26,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:12:26,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:12:26,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:12:26,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:12:26,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35602e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26, skipping insertion in model container [2024-10-18 21:12:26,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:12:26,356 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/safe026_tso.i[945,958] [2024-10-18 21:12:26,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:12:26,465 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:12:26,479 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/safe026_tso.i[945,958] [2024-10-18 21:12:26,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:12:26,540 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:12:26,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26 WrapperNode [2024-10-18 21:12:26,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:12:26,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:12:26,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:12:26,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:12:26,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,574 INFO L138 Inliner]: procedures = 175, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-18 21:12:26,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:12:26,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:12:26,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:12:26,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:12:26,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:12:26,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:12:26,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:12:26,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:12:26,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (1/1) ... [2024-10-18 21:12:26,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:12:26,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:12:26,623 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 21:12:26,625 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 21:12:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 21:12:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:12:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 21:12:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 21:12:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 21:12:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 21:12:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 21:12:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 21:12:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:12:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 21:12:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:12:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:12:26,658 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 21:12:26,756 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:12:26,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:12:26,865 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:12:26,865 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:12:26,984 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:12:26,984 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:12:26,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:12:26 BoogieIcfgContainer [2024-10-18 21:12:26,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:12:26,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:12:26,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:12:26,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:12:26,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:12:26" (1/3) ... [2024-10-18 21:12:26,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcf598c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:12:26, skipping insertion in model container [2024-10-18 21:12:26,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:12:26" (2/3) ... [2024-10-18 21:12:26,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcf598c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:12:26, skipping insertion in model container [2024-10-18 21:12:26,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:12:26" (3/3) ... [2024-10-18 21:12:26,996 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2024-10-18 21:12:27,008 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:12:27,009 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 21:12:27,009 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:12:27,050 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 21:12:27,093 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:12:27,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:12:27,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:12:27,096 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 21:12:27,098 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 21:12:27,170 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:12:27,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:12:27,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:12:27,191 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;@3cd57e56, 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 21:12:27,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 21:12:27,794 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 21:12:27,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:12:27,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1402963505, now seen corresponding path program 1 times [2024-10-18 21:12:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:12:27,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669774408] [2024-10-18 21:12:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:27,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:12:28,212 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 21:12:28,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:12:28,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669774408] [2024-10-18 21:12:28,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669774408] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:12:28,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:12:28,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:12:28,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426376088] [2024-10-18 21:12:28,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:12:28,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:12:28,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:12:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:12:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:12:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:28,240 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:12:28,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 21:12:28,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 2128050405, now seen corresponding path program 1 times [2024-10-18 21:12:28,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:28,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:28,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:28,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 21:12:28,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 21:12:28,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:12:28,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1337751949, now seen corresponding path program 1 times [2024-10-18 21:12:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:12:28,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837057401] [2024-10-18 21:12:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:28,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:12:28,710 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 21:12:28,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:12:28,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837057401] [2024-10-18 21:12:28,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837057401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:12:28,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:12:28,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:12:28,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573680338] [2024-10-18 21:12:28,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:12:28,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 21:12:28,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:12:28,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 21:12:28,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 21:12:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:28,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:12:28,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 21:12:28,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:28,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:28,839 INFO L85 PathProgramCache]: Analyzing trace with hash 2128050412, now seen corresponding path program 1 times [2024-10-18 21:12:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:28,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:28,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:28,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1452417, now seen corresponding path program 1 times [2024-10-18 21:12:28,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:28,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:28,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,182 INFO L85 PathProgramCache]: Analyzing trace with hash -578811740, now seen corresponding path program 1 times [2024-10-18 21:12:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1127049053, now seen corresponding path program 1 times [2024-10-18 21:12:29,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,307 INFO L85 PathProgramCache]: Analyzing trace with hash -451998297, now seen corresponding path program 1 times [2024-10-18 21:12:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,333 INFO L85 PathProgramCache]: Analyzing trace with hash -591594922, now seen corresponding path program 1 times [2024-10-18 21:12:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1127435333, now seen corresponding path program 1 times [2024-10-18 21:12:29,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,429 INFO L85 PathProgramCache]: Analyzing trace with hash -452009789, now seen corresponding path program 1 times [2024-10-18 21:12:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,548 INFO L85 PathProgramCache]: Analyzing trace with hash -443758972, now seen corresponding path program 1 times [2024-10-18 21:12:29,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash 331228027, now seen corresponding path program 1 times [2024-10-18 21:12:29,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1814069070, now seen corresponding path program 1 times [2024-10-18 21:12:29,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,809 INFO L85 PathProgramCache]: Analyzing trace with hash 634219285, now seen corresponding path program 1 times [2024-10-18 21:12:29,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1826852255, now seen corresponding path program 1 times [2024-10-18 21:12:29,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,909 INFO L85 PathProgramCache]: Analyzing trace with hash 633833000, now seen corresponding path program 1 times [2024-10-18 21:12:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:29,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:30,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1980423881, now seen corresponding path program 1 times [2024-10-18 21:12:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:30,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:30,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:12:30,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 21:12:30,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 21:12:30,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:12:30,743 INFO L85 PathProgramCache]: Analyzing trace with hash -442285939, now seen corresponding path program 2 times [2024-10-18 21:12:30,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:12:30,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731691158] [2024-10-18 21:12:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:12:30,847 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 21:12:30,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:12:30,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731691158] [2024-10-18 21:12:30,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731691158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:12:30,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:12:30,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:12:30,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558485087] [2024-10-18 21:12:30,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:12:30,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:12:30,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:12:30,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:12:30,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:12:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:30,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:12:30,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 21:12:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:12:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:31,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1980423986, now seen corresponding path program 1 times [2024-10-18 21:12:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:31,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:32,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1956997981, now seen corresponding path program 1 times [2024-10-18 21:12:32,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:32,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:32,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:32,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1724861372, now seen corresponding path program 1 times [2024-10-18 21:12:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:32,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:32,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:33,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:33,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:12:33,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:33,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2024-10-18 21:12:33,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 21:12:33,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:12:33,044 INFO L85 PathProgramCache]: Analyzing trace with hash 182425621, now seen corresponding path program 3 times [2024-10-18 21:12:33,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:12:33,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69938257] [2024-10-18 21:12:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:12:33,124 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 21:12:33,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:12:33,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69938257] [2024-10-18 21:12:33,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69938257] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:12:33,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:12:33,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:12:33,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477496095] [2024-10-18 21:12:33,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:12:33,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:12:33,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:12:33,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:12:33,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:12:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:33,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:12:33,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 21:12:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:12:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:33,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:12:34,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1980424269, now seen corresponding path program 1 times [2024-10-18 21:12:34,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:12:34,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:12:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:34,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:12:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:12:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:12:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:36,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:12:36,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 21:12:36,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 21:12:36,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 21:12:36,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 21:12:36,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-10-18 21:12:36,715 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 21:12:36,720 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:12:36,720 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:12:36,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:12:36 BasicIcfg [2024-10-18 21:12:36,724 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:12:36,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:12:36,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:12:36,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:12:36,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:12:26" (3/4) ... [2024-10-18 21:12:36,729 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:12:36,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 21:12:36,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 21:12:36,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 21:12:36,736 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-18 21:12:36,737 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-18 21:12:36,737 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 21:12:36,737 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 21:12:36,805 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:12:36,805 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:12:36,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:12:36,806 INFO L158 Benchmark]: Toolchain (without parser) took 10649.02ms. Allocated memory was 161.5MB in the beginning and 375.4MB in the end (delta: 213.9MB). Free memory was 103.0MB in the beginning and 288.3MB in the end (delta: -185.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-10-18 21:12:36,806 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 121.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:12:36,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.77ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 80.8MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 21:12:36,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 161.5MB. Free memory was 80.8MB in the beginning and 78.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:12:36,808 INFO L158 Benchmark]: Boogie Preprocessor took 19.16ms. Allocated memory is still 161.5MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:12:36,808 INFO L158 Benchmark]: RCFGBuilder took 387.14ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 77.3MB in the beginning and 180.1MB in the end (delta: -102.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-10-18 21:12:36,809 INFO L158 Benchmark]: TraceAbstraction took 9735.44ms. Allocated memory was 216.0MB in the beginning and 375.4MB in the end (delta: 159.4MB). Free memory was 179.0MB in the beginning and 292.5MB in the end (delta: -113.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-10-18 21:12:36,809 INFO L158 Benchmark]: Witness Printer took 81.01ms. Allocated memory is still 375.4MB. Free memory was 292.5MB in the beginning and 288.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:12:36,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 121.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.77ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 80.8MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 161.5MB. Free memory was 80.8MB in the beginning and 78.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.16ms. Allocated memory is still 161.5MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.14ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 77.3MB in the beginning and 180.1MB in the end (delta: -102.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9735.44ms. Allocated memory was 216.0MB in the beginning and 375.4MB in the end (delta: 159.4MB). Free memory was 179.0MB in the beginning and 292.5MB in the end (delta: -113.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Witness Printer took 81.01ms. Allocated memory is still 375.4MB. Free memory was 292.5MB in the beginning and 288.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 2370, dependent conditional: 2328, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 374, independent unconditional: 585, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1046, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 454, dependent conditional: 0, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6963, independent: 5570, independent conditional: 5412, independent unconditional: 158, dependent: 1393, dependent conditional: 904, dependent unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20489, independent: 17160, independent conditional: 4013, independent unconditional: 13147, dependent: 2283, dependent conditional: 120, dependent unconditional: 2163, unknown: 1046, unknown conditional: 440, unknown unconditional: 606] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 959, Positive conditional cache size: 374, Positive unconditional cache size: 585, Negative cache size: 87, Negative conditional cache size: 66, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15226, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 2370, dependent conditional: 2328, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 374, independent unconditional: 585, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1046, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 454, dependent conditional: 0, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6963, independent: 5570, independent conditional: 5412, independent unconditional: 158, dependent: 1393, dependent conditional: 904, dependent unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20489, independent: 17160, independent conditional: 4013, independent unconditional: 13147, dependent: 2283, dependent conditional: 120, dependent unconditional: 2163, unknown: 1046, unknown conditional: 440, unknown unconditional: 606] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 959, Positive conditional cache size: 374, Positive unconditional cache size: 585, Negative cache size: 87, Negative conditional cache size: 66, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15226 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 582, Number of trivial persistent sets: 311, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 606, independent: 585, independent conditional: 0, independent unconditional: 585, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18602, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 483, dependent conditional: 462, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 2370, dependent conditional: 2328, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 374, independent unconditional: 585, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1046, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 454, dependent conditional: 0, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6963, independent: 5570, independent conditional: 5412, independent unconditional: 158, dependent: 1393, dependent conditional: 904, dependent unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20489, independent: 17160, independent conditional: 4013, independent unconditional: 13147, dependent: 2283, dependent conditional: 120, dependent unconditional: 2163, unknown: 1046, unknown conditional: 440, unknown unconditional: 606] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 959, Positive conditional cache size: 374, Positive unconditional cache size: 585, Negative cache size: 87, Negative conditional cache size: 66, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15226, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 17471, independent unconditional: 648, dependent: 2370, dependent conditional: 2328, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20489, independent: 18119, independent conditional: 4387, independent unconditional: 13732, dependent: 2370, dependent conditional: 186, dependent unconditional: 2184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 374, independent unconditional: 585, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1046, independent: 592, independent conditional: 0, independent unconditional: 592, dependent: 454, dependent conditional: 0, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 454, independent: 367, independent conditional: 359, independent unconditional: 8, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6963, independent: 5570, independent conditional: 5412, independent unconditional: 158, dependent: 1393, dependent conditional: 904, dependent unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20489, independent: 17160, independent conditional: 4013, independent unconditional: 13147, dependent: 2283, dependent conditional: 120, dependent unconditional: 2163, unknown: 1046, unknown conditional: 440, unknown unconditional: 606] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 959, Positive conditional cache size: 374, Positive unconditional cache size: 585, Negative cache size: 87, Negative conditional cache size: 66, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15226 ], 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, 60 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 8.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 7.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 25, ConditionalCommutativityTraceChecks: 20, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 21:12:36,834 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 21:12:37,032 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