./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe037.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/safe037.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 8e4a27807726d35f891e97d8bb2a7e6664171035f3f5de29d992fc7dfa583447 --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 21:23:56,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:23:56,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:23:56,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:23:56,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:23:56,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:23:56,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:23:56,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:23:56,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:23:56,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:23:56,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:23:56,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:23:56,127 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:23:56,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:23:56,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:23:56,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:23:56,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:23:56,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:23:56,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:23:56,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:23:56,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:23:56,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:23:56,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:23:56,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:23:56,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:23:56,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:23:56,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:23:56,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:23:56,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:23:56,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:23:56,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:23:56,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:23:56,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:23:56,134 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:23:56,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:23:56,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:23:56,135 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:23:56,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:23:56,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:23:56,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:23:56,136 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:23:56,137 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 -> 8e4a27807726d35f891e97d8bb2a7e6664171035f3f5de29d992fc7dfa583447 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 21:23:56,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:23:56,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:23:56,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:23:56,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:23:56,458 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:23:56,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037.i [2024-10-18 21:23:57,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:23:58,079 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:23:58,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i [2024-10-18 21:23:58,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/24cb1b382/a2b413fe77a84610bea237c393b2f04a/FLAG0792a093a [2024-10-18 21:23:58,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/24cb1b382/a2b413fe77a84610bea237c393b2f04a [2024-10-18 21:23:58,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:23:58,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:23:58,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:23:58,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:23:58,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:23:58,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b1c271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58, skipping insertion in model container [2024-10-18 21:23:58,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:23:58,656 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/safe037.i[941,954] [2024-10-18 21:23:58,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:23:58,834 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:23:58,850 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/safe037.i[941,954] [2024-10-18 21:23:58,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:23:58,932 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:23:58,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58 WrapperNode [2024-10-18 21:23:58,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:23:58,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:23:58,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:23:58,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:23:58,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,978 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-10-18 21:23:58,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:23:58,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:23:58,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:23:58,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:23:58,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:58,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:59,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:59,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:23:59,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:23:59,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:23:59,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:23:59,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (1/1) ... [2024-10-18 21:23:59,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:23:59,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:23:59,063 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 21:23:59,069 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 21:23:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 21:23:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:23:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 21:23:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 21:23:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 21:23:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 21:23:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 21:23:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 21:23:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:23:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 21:23:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:23:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:23:59,117 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 21:23:59,321 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:23:59,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:23:59,490 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:23:59,490 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:23:59,568 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:23:59,568 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:23:59,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:23:59 BoogieIcfgContainer [2024-10-18 21:23:59,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:23:59,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:23:59,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:23:59,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:23:59,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:23:58" (1/3) ... [2024-10-18 21:23:59,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4a5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:23:59, skipping insertion in model container [2024-10-18 21:23:59,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:23:58" (2/3) ... [2024-10-18 21:23:59,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4a5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:23:59, skipping insertion in model container [2024-10-18 21:23:59,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:23:59" (3/3) ... [2024-10-18 21:23:59,578 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037.i [2024-10-18 21:23:59,595 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:23:59,595 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 21:23:59,595 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:23:59,650 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 21:23:59,705 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:23:59,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:23:59,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:23:59,708 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 21:23:59,710 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 21:23:59,812 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:23:59,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:23:59,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:23:59,843 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ffd9580, 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 21:23:59,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 21:24:00,572 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 21:24:00,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:24:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1502971703, now seen corresponding path program 1 times [2024-10-18 21:24:00,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:24:00,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029840985] [2024-10-18 21:24:00,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:00,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:24:01,106 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 21:24:01,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:24:01,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029840985] [2024-10-18 21:24:01,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029840985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:24:01,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:24:01,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:24:01,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271151648] [2024-10-18 21:24:01,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:24:01,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:24:01,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:24:01,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:24:01,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:24:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:01,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:24:01,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 21:24:01,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:01,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1397634228, now seen corresponding path program 1 times [2024-10-18 21:24:01,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:01,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:01,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:01,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 21:24:01,532 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 21:24:01,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:24:01,533 INFO L85 PathProgramCache]: Analyzing trace with hash -541441196, now seen corresponding path program 1 times [2024-10-18 21:24:01,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:24:01,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141097242] [2024-10-18 21:24:01,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:01,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:24:01,819 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 21:24:01,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:24:01,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141097242] [2024-10-18 21:24:01,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141097242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:24:01,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:24:01,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:24:01,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242275590] [2024-10-18 21:24:01,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:24:01,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:24:01,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:24:01,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:24:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:24:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:01,826 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:24:01,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 21:24:01,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:01,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:02,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1397634221, now seen corresponding path program 1 times [2024-10-18 21:24:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,183 INFO L85 PathProgramCache]: Analyzing trace with hash 386654692, now seen corresponding path program 1 times [2024-10-18 21:24:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1917982577, now seen corresponding path program 1 times [2024-10-18 21:24:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1739245678, now seen corresponding path program 1 times [2024-10-18 21:24:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1329367632, now seen corresponding path program 1 times [2024-10-18 21:24:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,876 INFO L85 PathProgramCache]: Analyzing trace with hash 965687257, now seen corresponding path program 1 times [2024-10-18 21:24:02,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:02,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2125458892, now seen corresponding path program 1 times [2024-10-18 21:24:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:03,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:03,122 INFO L85 PathProgramCache]: Analyzing trace with hash -718137045, now seen corresponding path program 1 times [2024-10-18 21:24:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:03,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:03,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1131543576, now seen corresponding path program 1 times [2024-10-18 21:24:03,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:03,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:03,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash 700103998, now seen corresponding path program 1 times [2024-10-18 21:24:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash -711564973, now seen corresponding path program 1 times [2024-10-18 21:24:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2055912904, now seen corresponding path program 1 times [2024-10-18 21:24:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:04,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:04,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 21:24:04,899 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 21:24:04,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:24:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash -240650284, now seen corresponding path program 2 times [2024-10-18 21:24:04,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:24:04,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223824895] [2024-10-18 21:24:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:24:05,112 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 21:24:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:24:05,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223824895] [2024-10-18 21:24:05,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223824895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:24:05,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:24:05,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:24:05,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194849305] [2024-10-18 21:24:05,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:24:05,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:24:05,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:24:05,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:24:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:24:05,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:05,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:24:05,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 21:24:05,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:06,293 INFO L85 PathProgramCache]: Analyzing trace with hash 700104145, now seen corresponding path program 1 times [2024-10-18 21:24:06,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:06,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:06,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:07,557 INFO L85 PathProgramCache]: Analyzing trace with hash -711564752, now seen corresponding path program 1 times [2024-10-18 21:24:07,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:07,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:07,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:07,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2055913125, now seen corresponding path program 1 times [2024-10-18 21:24:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:07,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2011024805, now seen corresponding path program 1 times [2024-10-18 21:24:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:07,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:07,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1663748548, now seen corresponding path program 1 times [2024-10-18 21:24:08,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:08,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1173761685, now seen corresponding path program 1 times [2024-10-18 21:24:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:08,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:08,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:08,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:08,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:08,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 21:24:08,814 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 21:24:08,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:24:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash 654907758, now seen corresponding path program 3 times [2024-10-18 21:24:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:24:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938542271] [2024-10-18 21:24:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:08,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:24:08,918 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 21:24:08,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:24:08,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938542271] [2024-10-18 21:24:08,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938542271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:24:08,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:24:08,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:24:08,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493473803] [2024-10-18 21:24:08,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:24:08,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:24:08,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:24:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:24:08,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:24:08,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:08,921 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:24:08,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 21:24:08,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:08,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:08,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:08,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:24:10,319 INFO L85 PathProgramCache]: Analyzing trace with hash 700104503, now seen corresponding path program 1 times [2024-10-18 21:24:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:24:10,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:24:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:10,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:24:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:24:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:24:13,974 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 21:24:13,974 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 21:24:13,975 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 21:24:13,975 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 21:24:13,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-10-18 21:24:13,985 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 21:24:13,989 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:24:13,990 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:24:13,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:24:13 BasicIcfg [2024-10-18 21:24:13,995 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:24:13,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:24:13,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:24:13,995 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:24:13,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:23:59" (3/4) ... [2024-10-18 21:24:13,999 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:24:14,002 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 21:24:14,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 21:24:14,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 21:24:14,007 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-18 21:24:14,008 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-18 21:24:14,008 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-18 21:24:14,008 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 21:24:14,103 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:24:14,104 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:24:14,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:24:14,104 INFO L158 Benchmark]: Toolchain (without parser) took 15685.95ms. Allocated memory was 169.9MB in the beginning and 408.9MB in the end (delta: 239.1MB). Free memory was 92.1MB in the beginning and 247.8MB in the end (delta: -155.7MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,105 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 169.9MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:24:14,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.73ms. Allocated memory is still 169.9MB. Free memory was 92.1MB in the beginning and 69.8MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 169.9MB. Free memory was 69.8MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,106 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 169.9MB. Free memory was 67.8MB in the beginning and 141.7MB in the end (delta: -73.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,106 INFO L158 Benchmark]: RCFGBuilder took 550.18ms. Allocated memory is still 169.9MB. Free memory was 141.7MB in the beginning and 126.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,106 INFO L158 Benchmark]: TraceAbstraction took 14423.60ms. Allocated memory was 169.9MB in the beginning and 408.9MB in the end (delta: 239.1MB). Free memory was 125.6MB in the beginning and 252.0MB in the end (delta: -126.4MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,107 INFO L158 Benchmark]: Witness Printer took 108.74ms. Allocated memory is still 408.9MB. Free memory was 252.0MB in the beginning and 247.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:24:14,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 169.9MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.73ms. Allocated memory is still 169.9MB. Free memory was 92.1MB in the beginning and 69.8MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 169.9MB. Free memory was 69.8MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 169.9MB. Free memory was 67.8MB in the beginning and 141.7MB in the end (delta: -73.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * RCFGBuilder took 550.18ms. Allocated memory is still 169.9MB. Free memory was 141.7MB in the beginning and 126.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14423.60ms. Allocated memory was 169.9MB in the beginning and 408.9MB in the end (delta: 239.1MB). Free memory was 125.6MB in the beginning and 252.0MB in the end (delta: -126.4MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. * Witness Printer took 108.74ms. Allocated memory is still 408.9MB. Free memory was 252.0MB in the beginning and 247.8MB 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: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 2896, dependent conditional: 2860, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1322, independent conditional: 528, independent unconditional: 794, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 556, dependent conditional: 0, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10469, independent: 8894, independent conditional: 8720, independent unconditional: 174, dependent: 1575, dependent conditional: 935, dependent unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27352, independent: 23134, independent conditional: 5667, independent unconditional: 17467, dependent: 2830, dependent conditional: 93, dependent unconditional: 2737, unknown: 1388, unknown conditional: 576, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1322, Positive conditional cache size: 528, Positive unconditional cache size: 794, Negative cache size: 66, Negative conditional cache size: 48, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20126, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 2896, dependent conditional: 2860, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1322, independent conditional: 528, independent unconditional: 794, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 556, dependent conditional: 0, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10469, independent: 8894, independent conditional: 8720, independent unconditional: 174, dependent: 1575, dependent conditional: 935, dependent unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27352, independent: 23134, independent conditional: 5667, independent unconditional: 17467, dependent: 2830, dependent conditional: 93, dependent unconditional: 2737, unknown: 1388, unknown conditional: 576, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1322, Positive conditional cache size: 528, Positive unconditional cache size: 794, Negative cache size: 66, Negative conditional cache size: 48, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20126 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 886, Number of trivial persistent sets: 487, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 812, independent: 794, independent conditional: 0, independent unconditional: 794, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24878, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 422, dependent conditional: 404, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 2896, dependent conditional: 2860, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1322, independent conditional: 528, independent unconditional: 794, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 556, dependent conditional: 0, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10469, independent: 8894, independent conditional: 8720, independent unconditional: 174, dependent: 1575, dependent conditional: 935, dependent unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27352, independent: 23134, independent conditional: 5667, independent unconditional: 17467, dependent: 2830, dependent conditional: 93, dependent unconditional: 2737, unknown: 1388, unknown conditional: 576, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1322, Positive conditional cache size: 528, Positive unconditional cache size: 794, Negative cache size: 66, Negative conditional cache size: 48, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20126, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 23602, independent unconditional: 854, dependent: 2896, dependent conditional: 2860, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27352, independent: 24456, independent conditional: 6195, independent unconditional: 18261, dependent: 2896, dependent conditional: 141, dependent unconditional: 2755, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1322, independent conditional: 528, independent unconditional: 794, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 556, dependent conditional: 0, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 556, independent: 490, independent conditional: 482, independent unconditional: 8, dependent: 66, dependent conditional: 48, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10469, independent: 8894, independent conditional: 8720, independent unconditional: 174, dependent: 1575, dependent conditional: 935, dependent unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 27352, independent: 23134, independent conditional: 5667, independent unconditional: 17467, dependent: 2830, dependent conditional: 93, dependent unconditional: 2737, unknown: 1388, unknown conditional: 576, unknown unconditional: 812] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1322, Positive conditional cache size: 528, Positive unconditional cache size: 794, Negative cache size: 66, Negative conditional cache size: 48, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20126 ], 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, 68 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 12.9s, 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: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 358 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: 10.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 20, 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 21:24:14,135 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 21:24:14,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE