/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 19:31:17,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 19:31:17,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 19:31:17,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 19:31:17,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 19:31:17,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 19:31:17,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 19:31:17,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 19:31:17,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 19:31:17,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 19:31:17,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 19:31:17,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 19:31:17,648 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 19:31:17,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 19:31:17,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 19:31:17,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 19:31:17,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 19:31:17,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 19:31:17,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 19:31:17,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 19:31:17,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 19:31:17,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 19:31:17,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 19:31:17,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 19:31:17,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 19:31:17,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 19:31:17,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 19:31:17,656 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 19:31:17,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 19:31:17,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 19:31:17,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 19:31:17,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 19:31:17,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 19:31:17,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 19:31:17,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 19:31:17,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 19:31:17,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 19:31:17,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 19:31:17,879 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 19:31:17,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-05 19:31:18,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 19:31:19,134 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 19:31:19,134 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-05 19:31:19,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ac2ae832d/ba2b7a862ff54041b20ac5170b6b07d3/FLAG9d95a99a7 [2024-04-05 19:31:19,158 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ac2ae832d/ba2b7a862ff54041b20ac5170b6b07d3 [2024-04-05 19:31:19,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 19:31:19,161 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 19:31:19,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 19:31:19,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 19:31:19,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 19:31:19,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7701d14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19, skipping insertion in model container [2024-04-05 19:31:19,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 19:31:19,338 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2024-04-05 19:31:19,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 19:31:19,467 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 19:31:19,480 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2024-04-05 19:31:19,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 19:31:19,568 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 19:31:19,568 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 19:31:19,574 INFO L206 MainTranslator]: Completed translation [2024-04-05 19:31:19,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19 WrapperNode [2024-04-05 19:31:19,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 19:31:19,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 19:31:19,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 19:31:19,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 19:31:19,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,621 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-04-05 19:31:19,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 19:31:19,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 19:31:19,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 19:31:19,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 19:31:19,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 19:31:19,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 19:31:19,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 19:31:19,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 19:31:19,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (1/1) ... [2024-04-05 19:31:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 19:31:19,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:31:19,691 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) [2024-04-05 19:31:19,710 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 [2024-04-05 19:31:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 19:31:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 19:31:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 19:31:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 19:31:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 19:31:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-05 19:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-05 19:31:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-05 19:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-05 19:31:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-05 19:31:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-05 19:31:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 19:31:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 19:31:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 19:31:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 19:31:19,741 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 19:31:19,869 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 19:31:19,876 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 19:31:20,009 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 19:31:20,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 19:31:20,016 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-05 19:31:20,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 07:31:20 BoogieIcfgContainer [2024-04-05 19:31:20,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 19:31:20,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 19:31:20,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 19:31:20,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 19:31:20,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 07:31:19" (1/3) ... [2024-04-05 19:31:20,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2364e940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 07:31:20, skipping insertion in model container [2024-04-05 19:31:20,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:31:19" (2/3) ... [2024-04-05 19:31:20,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2364e940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 07:31:20, skipping insertion in model container [2024-04-05 19:31:20,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 07:31:20" (3/3) ... [2024-04-05 19:31:20,023 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-04-05 19:31:20,029 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 19:31:20,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 19:31:20,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 19:31:20,036 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 19:31:20,078 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-05 19:31:20,109 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:31:20,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:31:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:31:20,110 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) [2024-04-05 19:31:20,111 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 [2024-04-05 19:31:20,148 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:31:20,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:31:20,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:31:20,163 INFO L357 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, mHoare=true, 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;@539407aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:31:20,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 19:31:20,214 INFO L420 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)] === [2024-04-05 19:31:20,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:31:20,217 INFO L85 PathProgramCache]: Analyzing trace with hash 4603110, now seen corresponding path program 1 times [2024-04-05 19:31:20,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:31:20,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667606449] [2024-04-05 19:31:20,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:31:20,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:31:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:31:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 19:31:20,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:31:20,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667606449] [2024-04-05 19:31:20,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667606449] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:31:20,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:31:20,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 19:31:20,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352996270] [2024-04-05 19:31:20,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:31:20,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 19:31:20,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:31:20,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 19:31:20,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 19:31:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:20,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:31:20,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2024-04-05 19:31:20,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:20,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 19:31:20,618 INFO L420 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)] === [2024-04-05 19:31:20,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:31:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash -263876577, now seen corresponding path program 1 times [2024-04-05 19:31:20,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:31:20,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160839255] [2024-04-05 19:31:20,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:31:20,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:31:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:31:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 19:31:20,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:31:20,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160839255] [2024-04-05 19:31:20,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160839255] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:31:20,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:31:20,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 19:31:20,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96446334] [2024-04-05 19:31:20,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:31:20,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 19:31:20,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:31:20,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 19:31:20,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-05 19:31:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:20,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:31:20,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2024-04-05 19:31:20,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:20,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:21,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 19:31:21,145 INFO L420 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)] === [2024-04-05 19:31:21,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:31:21,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2014899360, now seen corresponding path program 1 times [2024-04-05 19:31:21,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:31:21,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329510132] [2024-04-05 19:31:21,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:31:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:31:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:31:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 19:31:21,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:31:21,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329510132] [2024-04-05 19:31:21,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329510132] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:31:21,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:31:21,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 19:31:21,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773946003] [2024-04-05 19:31:21,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:31:21,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 19:31:21,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:31:21,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 19:31:21,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-05 19:31:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:21,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:31:21,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2024-04-05 19:31:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:31:22,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 19:31:22,444 INFO L420 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)] === [2024-04-05 19:31:22,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:31:22,446 INFO L85 PathProgramCache]: Analyzing trace with hash -764965402, now seen corresponding path program 1 times [2024-04-05 19:31:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:31:22,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107242483] [2024-04-05 19:31:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:31:22,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:31:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:31:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 19:31:22,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:31:22,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107242483] [2024-04-05 19:31:22,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107242483] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:31:22,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:31:22,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 19:31:22,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183066715] [2024-04-05 19:31:22,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:31:22,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 19:31:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:31:22,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 19:31:22,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-05 19:31:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:22,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:31:22,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) [2024-04-05 19:31:22,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:22,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:22,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:31:22,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:31:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 19:31:23,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 19:31:23,655 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 19:31:23,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:31:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash -237009204, now seen corresponding path program 2 times [2024-04-05 19:31:23,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:31:23,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17326365] [2024-04-05 19:31:23,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:31:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:31:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:31:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 19:31:23,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:31:23,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17326365] [2024-04-05 19:31:23,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17326365] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:31:23,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:31:23,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 19:31:23,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645695157] [2024-04-05 19:31:23,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:31:23,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 19:31:23,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:31:23,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 19:31:23,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-05 19:31:23,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:23,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:31:23,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-04-05 19:31:23,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:23,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:23,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:31:23,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 19:31:23,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:31:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:31:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:31:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 19:31:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:31:25,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 19:31:25,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 19:31:25,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 19:31:25,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 19:31:25,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 19:31:25,095 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-04-05 19:31:25,096 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 19:31:25,097 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 19:31:25,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 07:31:25 BasicIcfg [2024-04-05 19:31:25,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 19:31:25,099 INFO L158 Benchmark]: Toolchain (without parser) took 5938.33ms. Allocated memory was 172.0MB in the beginning and 505.4MB in the end (delta: 333.4MB). Free memory was 103.0MB in the beginning and 431.9MB in the end (delta: -328.9MB). Peak memory consumption was 284.6MB. Max. memory is 8.0GB. [2024-04-05 19:31:25,100 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory was 104.3MB in the beginning and 104.2MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 19:31:25,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.49ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 102.7MB in the beginning and 220.8MB in the end (delta: -118.1MB). Peak memory consumption was 22.8MB. Max. memory is 8.0GB. [2024-04-05 19:31:25,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.07ms. Allocated memory is still 255.9MB. Free memory was 220.8MB in the beginning and 218.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 19:31:25,101 INFO L158 Benchmark]: Boogie Preprocessor took 24.41ms. Allocated memory is still 255.9MB. Free memory was 218.7MB in the beginning and 217.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 19:31:25,101 INFO L158 Benchmark]: RCFGBuilder took 369.96ms. Allocated memory is still 255.9MB. Free memory was 217.1MB in the beginning and 202.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-05 19:31:25,101 INFO L158 Benchmark]: TraceAbstraction took 5080.16ms. Allocated memory was 255.9MB in the beginning and 505.4MB in the end (delta: 249.6MB). Free memory was 201.4MB in the beginning and 431.9MB in the end (delta: -230.5MB). Peak memory consumption was 298.5MB. Max. memory is 8.0GB. [2024-04-05 19:31:25,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory was 104.3MB in the beginning and 104.2MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.49ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 102.7MB in the beginning and 220.8MB in the end (delta: -118.1MB). Peak memory consumption was 22.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.07ms. Allocated memory is still 255.9MB. Free memory was 220.8MB in the beginning and 218.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.41ms. Allocated memory is still 255.9MB. Free memory was 218.7MB in the beginning and 217.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 369.96ms. Allocated memory is still 255.9MB. Free memory was 217.1MB in the beginning and 202.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5080.16ms. Allocated memory was 255.9MB in the beginning and 505.4MB in the end (delta: 249.6MB). Free memory was 201.4MB in the beginning and 431.9MB in the end (delta: -230.5MB). Peak memory consumption was 298.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 393575, independent: 387620, independent conditional: 387395, independent unconditional: 225, dependent: 5955, dependent conditional: 5953, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 391055, independent: 387620, independent conditional: 387395, independent unconditional: 225, dependent: 3435, dependent conditional: 3435, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391055, independent: 387620, independent conditional: 387395, independent unconditional: 225, dependent: 3435, dependent conditional: 3435, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 391055, independent: 387620, independent conditional: 387395, independent unconditional: 225, dependent: 3435, dependent conditional: 3435, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403354, independent: 387620, independent conditional: 20165, independent unconditional: 367455, dependent: 15734, dependent conditional: 8182, dependent unconditional: 7552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 403354, independent: 387620, independent conditional: 3218, independent unconditional: 384402, dependent: 15734, dependent conditional: 1560, dependent unconditional: 14174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 403354, independent: 387620, independent conditional: 3218, independent unconditional: 384402, dependent: 15734, dependent conditional: 1560, dependent unconditional: 14174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 989, independent: 957, independent conditional: 17, independent unconditional: 940, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 989, independent: 937, independent conditional: 0, independent unconditional: 937, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 36, independent conditional: 27, independent unconditional: 9, dependent: 90, dependent conditional: 34, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 403354, independent: 386663, independent conditional: 3201, independent unconditional: 383462, dependent: 15702, dependent conditional: 1542, dependent unconditional: 14160, unknown: 989, unknown conditional: 35, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 989, Positive cache size: 957, Positive conditional cache size: 17, Positive unconditional cache size: 940, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23569, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403354, independent: 387620, independent conditional: 20165, independent unconditional: 367455, dependent: 15734, dependent conditional: 8182, dependent unconditional: 7552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 403354, independent: 387620, independent conditional: 3218, independent unconditional: 384402, dependent: 15734, dependent conditional: 1560, dependent unconditional: 14174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 403354, independent: 387620, independent conditional: 3218, independent unconditional: 384402, dependent: 15734, dependent conditional: 1560, dependent unconditional: 14174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 989, independent: 957, independent conditional: 17, independent unconditional: 940, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 989, independent: 937, independent conditional: 0, independent unconditional: 937, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 36, independent conditional: 27, independent unconditional: 9, dependent: 90, dependent conditional: 34, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 403354, independent: 386663, independent conditional: 3201, independent unconditional: 383462, dependent: 15702, dependent conditional: 1542, dependent unconditional: 14160, unknown: 989, unknown conditional: 35, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 989, Positive cache size: 957, Positive conditional cache size: 17, Positive unconditional cache size: 940, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23569 ], Independence queries for same thread: 2520 - 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 with 1 thread instances CFG has 7 procedures, 119 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.6s, 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: 51, 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, 1.0s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 1086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-05 19:31:25,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 19:31:25,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...