./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe002_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/safe002_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 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 20:34:56,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 20:34:56,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 20:34:56,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 20:34:56,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 20:34:56,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 20:34:56,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 20:34:56,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 20:34:56,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 20:34:56,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 20:34:56,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 20:34:56,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 20:34:56,734 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 20:34:56,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 20:34:56,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 20:34:56,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 20:34:56,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 20:34:56,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 20:34:56,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 20:34:56,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 20:34:56,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 20:34:56,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 20:34:56,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 20:34:56,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 20:34:56,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 20:34:56,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 20:34:56,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 20:34:56,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 20:34:56,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 20:34:56,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 20:34:56,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:34:56,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 20:34:56,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 20:34:56,745 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 20:34:56,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 20:34:56,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 20:34:56,745 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 20:34:56,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 20:34:56,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 20:34:56,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 20:34:56,746 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 20:34:56,747 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 -> 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 20:34:56,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 20:34:57,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 20:34:57,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 20:34:57,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 20:34:57,009 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 20:34:57,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2024-10-18 20:34:58,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 20:34:58,681 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 20:34:58,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2024-10-18 20:34:58,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf9bff9f0/639136abae5846bea64895a92ac2acb3/FLAG01646d577 [2024-10-18 20:34:59,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf9bff9f0/639136abae5846bea64895a92ac2acb3 [2024-10-18 20:34:59,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 20:34:59,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 20:34:59,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 20:34:59,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 20:34:59,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 20:34:59,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a60e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59, skipping insertion in model container [2024-10-18 20:34:59,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 20:34:59,269 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/safe002_tso.i[945,958] [2024-10-18 20:34:59,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:34:59,467 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 20:34:59,478 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/safe002_tso.i[945,958] [2024-10-18 20:34:59,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:34:59,564 INFO L204 MainTranslator]: Completed translation [2024-10-18 20:34:59,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59 WrapperNode [2024-10-18 20:34:59,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 20:34:59,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 20:34:59,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 20:34:59,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 20:34:59,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,614 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-18 20:34:59,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 20:34:59,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 20:34:59,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 20:34:59,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 20:34:59,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 20:34:59,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 20:34:59,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 20:34:59,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 20:34:59,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (1/1) ... [2024-10-18 20:34:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:34:59,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:34:59,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 20:34:59,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 20:34:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 20:34:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 20:34:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 20:34:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 20:34:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 20:34:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 20:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 20:34:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 20:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 20:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 20:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 20:34:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 20:34:59,748 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 20:34:59,891 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 20:34:59,892 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 20:35:00,030 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 20:35:00,030 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 20:35:00,119 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 20:35:00,119 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 20:35:00,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:35:00 BoogieIcfgContainer [2024-10-18 20:35:00,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 20:35:00,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 20:35:00,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 20:35:00,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 20:35:00,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:34:59" (1/3) ... [2024-10-18 20:35:00,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715fe06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:35:00, skipping insertion in model container [2024-10-18 20:35:00,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:34:59" (2/3) ... [2024-10-18 20:35:00,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715fe06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:35:00, skipping insertion in model container [2024-10-18 20:35:00,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:35:00" (3/3) ... [2024-10-18 20:35:00,132 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_tso.i [2024-10-18 20:35:00,147 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 20:35:00,148 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 20:35:00,148 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 20:35:00,194 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 20:35:00,235 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 20:35:00,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 20:35:00,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:35:00,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 20:35:00,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 20:35:00,324 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 20:35:00,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:35:00,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 20:35:00,346 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;@39639e91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 20:35:00,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 20:35:01,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 20:35:01,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:35:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1633081653, now seen corresponding path program 1 times [2024-10-18 20:35:01,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:35:01,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227224110] [2024-10-18 20:35:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:35:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:35:01,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:35:01,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227224110] [2024-10-18 20:35:01,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227224110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:35:01,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:35:01,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:35:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603899492] [2024-10-18 20:35:01,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:35:01,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:35:01,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:35:01,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:35:01,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:35:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:35:01,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:35:01,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:35:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:35:02,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1270972822, now seen corresponding path program 1 times [2024-10-18 20:35:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:35:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:35:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:35:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:35:02,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:35:02,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:35:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1284411546, now seen corresponding path program 1 times [2024-10-18 20:35:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:02,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:35:03,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 20:35:03,050 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 20:35:03,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:35:03,051 INFO L85 PathProgramCache]: Analyzing trace with hash -534173673, now seen corresponding path program 1 times [2024-10-18 20:35:03,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:35:03,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339761503] [2024-10-18 20:35:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:03,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:35:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:35:03,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:35:03,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339761503] [2024-10-18 20:35:03,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339761503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:35:03,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:35:03,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 20:35:03,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324722439] [2024-10-18 20:35:03,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:35:03,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:35:03,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:35:03,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:35:03,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:35:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:35:03,227 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:35:03,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:35:03,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:35:03,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:35:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1284411553, now seen corresponding path program 1 times [2024-10-18 20:35:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:03,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1439115215, now seen corresponding path program 1 times [2024-10-18 20:35:03,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:03,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,715 INFO L85 PathProgramCache]: Analyzing trace with hash 798231913, now seen corresponding path program 1 times [2024-10-18 20:35:03,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:03,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,753 INFO L85 PathProgramCache]: Analyzing trace with hash -666986720, now seen corresponding path program 1 times [2024-10-18 20:35:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:03,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1545535420, now seen corresponding path program 1 times [2024-10-18 20:35:03,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:03,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:03,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,056 INFO L85 PathProgramCache]: Analyzing trace with hash -220619097, now seen corresponding path program 1 times [2024-10-18 20:35:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:04,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1390565875, now seen corresponding path program 1 times [2024-10-18 20:35:04,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:04,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1999853603, now seen corresponding path program 1 times [2024-10-18 20:35:04,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:04,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1311437944, now seen corresponding path program 1 times [2024-10-18 20:35:04,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:04,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,257 INFO L85 PathProgramCache]: Analyzing trace with hash -358771372, now seen corresponding path program 1 times [2024-10-18 20:35:05,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1225850283, now seen corresponding path program 1 times [2024-10-18 20:35:05,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash 930288398, now seen corresponding path program 1 times [2024-10-18 20:35:05,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1771104974, now seen corresponding path program 1 times [2024-10-18 20:35:05,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,496 INFO L85 PathProgramCache]: Analyzing trace with hash 928990095, now seen corresponding path program 1 times [2024-10-18 20:35:05,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1771147256, now seen corresponding path program 1 times [2024-10-18 20:35:05,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2144658216, now seen corresponding path program 1 times [2024-10-18 20:35:05,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:05,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2009041181, now seen corresponding path program 1 times [2024-10-18 20:35:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1182091989, now seen corresponding path program 1 times [2024-10-18 20:35:06,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1386089071, now seen corresponding path program 1 times [2024-10-18 20:35:06,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,243 INFO L85 PathProgramCache]: Analyzing trace with hash 598915614, now seen corresponding path program 1 times [2024-10-18 20:35:06,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 850630094, now seen corresponding path program 1 times [2024-10-18 20:35:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,494 INFO L85 PathProgramCache]: Analyzing trace with hash 558667989, now seen corresponding path program 1 times [2024-10-18 20:35:06,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,523 INFO L85 PathProgramCache]: Analyzing trace with hash 849319292, now seen corresponding path program 1 times [2024-10-18 20:35:06,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:06,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:06,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 20:35:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:35:07,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-10-18 20:35:07,139 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 20:35:07,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:35:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash 76330887, now seen corresponding path program 2 times [2024-10-18 20:35:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:35:07,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287824857] [2024-10-18 20:35:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:07,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:35:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:35:07,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:35:07,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287824857] [2024-10-18 20:35:07,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287824857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:35:07,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:35:07,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:35:07,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866545703] [2024-10-18 20:35:07,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:35:07,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:35:07,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:35:07,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:35:07,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:35:07,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:35:07,270 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:35:07,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:35:07,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 20:35:07,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:35:07,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:35:08,239 INFO L85 PathProgramCache]: Analyzing trace with hash -358771150, now seen corresponding path program 1 times [2024-10-18 20:35:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:35:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:35:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:08,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:35:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:35:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 20:35:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:35:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:35:11,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 20:35:11,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 20:35:11,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 20:35:11,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 20:35:11,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable28 [2024-10-18 20:35:11,652 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 20:35:11,655 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 20:35:11,658 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 20:35:11,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 08:35:11 BasicIcfg [2024-10-18 20:35:11,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 20:35:11,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 20:35:11,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 20:35:11,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 20:35:11,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:35:00" (3/4) ... [2024-10-18 20:35:11,666 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 20:35:11,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 20:35:11,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 20:35:11,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 20:35:11,674 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-18 20:35:11,674 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-18 20:35:11,675 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 20:35:11,675 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 20:35:11,768 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 20:35:11,769 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 20:35:11,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 20:35:11,770 INFO L158 Benchmark]: Toolchain (without parser) took 12758.41ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 103.1MB in the beginning and 225.3MB in the end (delta: -122.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,770 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 20:35:11,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.43ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 135.8MB in the end (delta: -32.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.68ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,771 INFO L158 Benchmark]: Boogie Preprocessor took 39.30ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 132.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,771 INFO L158 Benchmark]: RCFGBuilder took 462.89ms. Allocated memory is still 172.0MB. Free memory was 132.1MB in the beginning and 112.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,772 INFO L158 Benchmark]: TraceAbstraction took 11537.43ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 111.3MB in the beginning and 229.5MB in the end (delta: -118.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,772 INFO L158 Benchmark]: Witness Printer took 106.02ms. Allocated memory is still 312.5MB. Free memory was 229.5MB in the beginning and 225.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 20:35:11,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.43ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 135.8MB in the end (delta: -32.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.68ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.30ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 132.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.89ms. Allocated memory is still 172.0MB. Free memory was 132.1MB in the beginning and 112.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11537.43ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 111.3MB in the beginning and 229.5MB in the end (delta: -118.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 106.02ms. Allocated memory is still 312.5MB. Free memory was 229.5MB in the beginning and 225.3MB 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: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7504, independent: 5839, independent conditional: 5620, independent unconditional: 219, dependent: 1665, dependent conditional: 861, dependent unconditional: 805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7504, independent: 5839, independent conditional: 5620, independent unconditional: 219, dependent: 1665, dependent conditional: 861, dependent unconditional: 805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 680, Number of trivial persistent sets: 348, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 646, independent: 622, independent conditional: 0, independent unconditional: 622, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7504, independent: 5839, independent conditional: 5620, independent unconditional: 219, dependent: 1665, dependent conditional: 861, dependent unconditional: 805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7504, independent: 5839, independent conditional: 5620, independent unconditional: 219, dependent: 1665, dependent conditional: 861, dependent unconditional: 805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049 ], Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 10.3s, 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: 20, 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, 0.7s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 8.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 31, ConditionalCommutativityTraceChecks: 26, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 20:35:11,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 20:35:11,998 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