./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 18:25:46,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 18:25:46,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 18:25:46,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 18:25:46,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 18:25:46,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 18:25:46,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 18:25:46,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 18:25:46,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 18:25:46,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 18:25:46,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 18:25:46,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 18:25:46,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 18:25:46,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 18:25:46,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 18:25:46,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 18:25:46,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 18:25:46,784 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 18:25:46,784 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 18:25:46,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 18:25:46,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 18:25:46,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 18:25:46,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 18:25:46,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 18:25:46,970 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 18:25:46,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-12-17 18:25:48,107 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d1e1ffe9e/a41f0570295e45f78497d961425756b5/FLAG9965a0e37 [2024-12-17 18:25:48,384 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 18:25:48,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-12-17 18:25:48,402 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d1e1ffe9e/a41f0570295e45f78497d961425756b5/FLAG9965a0e37 [2024-12-17 18:25:48,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d1e1ffe9e/a41f0570295e45f78497d961425756b5 [2024-12-17 18:25:48,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 18:25:48,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 18:25:48,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 18:25:48,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 18:25:48,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 18:25:48,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:25:48" (1/1) ... [2024-12-17 18:25:48,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d7c09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:48, skipping insertion in model container [2024-12-17 18:25:48,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:25:48" (1/1) ... [2024-12-17 18:25:48,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 18:25:48,834 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2024-12-17 18:25:48,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 18:25:48,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 18:25:48,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2024-12-17 18:25:49,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 18:25:49,067 INFO L204 MainTranslator]: Completed translation [2024-12-17 18:25:49,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49 WrapperNode [2024-12-17 18:25:49,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 18:25:49,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 18:25:49,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 18:25:49,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 18:25:49,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,106 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 167 [2024-12-17 18:25:49,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 18:25:49,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 18:25:49,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 18:25:49,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 18:25:49,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 18:25:49,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 18:25:49,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 18:25:49,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 18:25:49,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (1/1) ... [2024-12-17 18:25:49,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 18:25:49,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 18:25:49,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 18:25:49,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-17 18:25:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-17 18:25:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 18:25:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 18:25:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 18:25:49,182 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 18:25:49,264 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 18:25:49,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 18:25:49,537 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 18:25:49,537 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 18:25:49,721 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 18:25:49,722 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 18:25:49,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:25:49 BoogieIcfgContainer [2024-12-17 18:25:49,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 18:25:49,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 18:25:49,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 18:25:49,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 18:25:49,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 06:25:48" (1/3) ... [2024-12-17 18:25:49,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc6572a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:25:49, skipping insertion in model container [2024-12-17 18:25:49,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:25:49" (2/3) ... [2024-12-17 18:25:49,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc6572a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:25:49, skipping insertion in model container [2024-12-17 18:25:49,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:25:49" (3/3) ... [2024-12-17 18:25:49,731 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-12-17 18:25:49,742 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 18:25:49,744 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi000_tso.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-17 18:25:49,744 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 18:25:49,789 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-17 18:25:49,829 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 18:25:49,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 18:25:49,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 18:25:49,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 18:25:49,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 18:25:49,896 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 18:25:49,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-12-17 18:25:49,914 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;@407ad530, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 18:25:49,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 18:25:51,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 18:25:51,913 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 18:25:51,913 INFO L139 ounterexampleChecker]: Examining path program with hash 1359497626, occurence #1 [2024-12-17 18:25:51,913 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 18:25:51,913 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 18:25:51,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 18:25:51,916 INFO L85 PathProgramCache]: Analyzing trace with hash -710585529, now seen corresponding path program 1 times [2024-12-17 18:25:51,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 18:25:51,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184703854] [2024-12-17 18:25:51,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 18:25:51,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 18:25:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 18:25:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 18:25:52,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 18:25:52,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184703854] [2024-12-17 18:25:52,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184703854] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 18:25:52,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 18:25:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-17 18:25:52,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347386051] [2024-12-17 18:25:52,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 18:25:52,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 18:25:52,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 18:25:52,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 18:25:52,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 18:25:52,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:25:52,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 18:25:52,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-12-17 18:25:52,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:24,011 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-17 18:26:24,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 18:26:24,014 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-17 18:26:24,016 INFO L319 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2024-12-17 18:26:24,018 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 18:26:24,018 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 18:26:24,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 18:26:24,019 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;@407ad530, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 18:26:24,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 18:26:24,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 18:26:24,024 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 18:26:24,024 INFO L139 ounterexampleChecker]: Examining path program with hash 1720714714, occurence #1 [2024-12-17 18:26:24,024 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 18:26:24,024 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 18:26:24,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 18:26:24,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1528932901, now seen corresponding path program 1 times [2024-12-17 18:26:24,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 18:26:24,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759275186] [2024-12-17 18:26:24,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 18:26:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 18:26:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 18:26:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 18:26:24,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 18:26:24,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759275186] [2024-12-17 18:26:24,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759275186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 18:26:24,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 18:26:24,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 18:26:24,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360122803] [2024-12-17 18:26:24,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 18:26:24,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 18:26:24,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 18:26:24,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 18:26:24,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 18:26:24,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:24,286 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 18:26:24,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-12-17 18:26:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:33,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 18:26:33,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 18:26:33,698 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 18:26:33,698 INFO L139 ounterexampleChecker]: Examining path program with hash 831778696, occurence #1 [2024-12-17 18:26:33,698 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 18:26:33,698 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 18:26:33,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 18:26:33,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1853724622, now seen corresponding path program 1 times [2024-12-17 18:26:33,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 18:26:33,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574349349] [2024-12-17 18:26:33,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 18:26:33,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 18:26:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 18:26:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 18:26:34,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 18:26:34,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574349349] [2024-12-17 18:26:34,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574349349] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 18:26:34,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 18:26:34,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 18:26:34,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048874344] [2024-12-17 18:26:34,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 18:26:34,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 18:26:34,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 18:26:34,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 18:26:34,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 18:26:34,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:34,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 18:26:34,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-12-17 18:26:34,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:34,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:34,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:34,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:26:34,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 18:26:34,132 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 18:26:34,132 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 18:26:34,133 INFO L139 ounterexampleChecker]: Examining path program with hash 1515179931, occurence #1 [2024-12-17 18:26:34,133 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 18:26:34,133 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 18:26:34,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 18:26:34,133 INFO L85 PathProgramCache]: Analyzing trace with hash -482919392, now seen corresponding path program 1 times [2024-12-17 18:26:34,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 18:26:34,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328174546] [2024-12-17 18:26:34,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 18:26:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 18:26:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 18:26:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 18:26:34,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 18:26:34,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328174546] [2024-12-17 18:26:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328174546] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 18:26:34,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 18:26:34,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 18:26:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156738592] [2024-12-17 18:26:34,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 18:26:34,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 18:26:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 18:26:34,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 18:26:34,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 18:26:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:34,426 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 18:26:34,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 18:26:34,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:34,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:26:34,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:26:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:26:49,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 18:26:49,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 18:26:49,785 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 18:26:49,785 INFO L139 ounterexampleChecker]: Examining path program with hash 673398527, occurence #1 [2024-12-17 18:26:49,786 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 18:26:49,786 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 18:26:49,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 18:26:49,786 INFO L85 PathProgramCache]: Analyzing trace with hash 129303546, now seen corresponding path program 2 times [2024-12-17 18:26:49,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 18:26:49,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977303441] [2024-12-17 18:26:49,786 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 18:26:49,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 18:26:49,862 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 18:26:49,863 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 18:26:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 18:26:51,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 18:26:51,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977303441] [2024-12-17 18:26:51,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977303441] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 18:26:51,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 18:26:51,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-17 18:26:51,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350432098] [2024-12-17 18:26:51,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 18:26:51,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 18:26:51,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 18:26:51,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 18:26:51,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-17 18:26:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:26:51,875 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 18:26:51,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 18:26:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:26:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:26:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:26:51,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:27:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:27:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:27:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:27:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 18:27:01,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 18:27:01,169 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 18:27:01,169 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 18:27:01,169 INFO L139 ounterexampleChecker]: Examining path program with hash 1517796662, occurence #1 [2024-12-17 18:27:01,169 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 18:27:01,169 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 18:27:01,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 18:27:01,170 INFO L85 PathProgramCache]: Analyzing trace with hash -364858848, now seen corresponding path program 3 times [2024-12-17 18:27:01,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 18:27:01,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216441674] [2024-12-17 18:27:01,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 18:27:01,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 18:27:01,223 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-17 18:27:01,223 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 18:27:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 18:27:03,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 18:27:03,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216441674] [2024-12-17 18:27:03,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216441674] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 18:27:03,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 18:27:03,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-17 18:27:03,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366581448] [2024-12-17 18:27:03,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 18:27:03,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 18:27:03,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 18:27:03,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 18:27:03,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-17 18:27:03,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:27:03,086 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 18:27:03,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 18:27:03,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:27:03,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:27:03,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:27:03,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 18:27:03,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 18:27:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 18:27:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:27:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 18:27:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 18:27:12,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 18:27:12,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-17 18:27:12,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-12-17 18:27:12,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-17 18:27:12,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 18:27:12,496 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-12-17 18:27:12,496 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-12-17 18:27:12,497 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 18:27:12,497 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 18:27:12,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-17 18:27:12,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 06:27:12 BasicIcfg [2024-12-17 18:27:12,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 18:27:12,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 18:27:12,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 18:27:12,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 18:27:12,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:25:49" (3/4) ... [2024-12-17 18:27:12,515 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 18:27:12,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-12-17 18:27:12,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-12-17 18:27:12,521 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2024-12-17 18:27:12,521 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-17 18:27:12,522 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-17 18:27:12,522 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-17 18:27:12,581 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 18:27:12,582 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 18:27:12,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 18:27:12,584 INFO L158 Benchmark]: Toolchain (without parser) took 83901.53ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 133.0MB in the beginning and 812.0MB in the end (delta: -678.9MB). Peak memory consumption was 359.1MB. Max. memory is 16.1GB. [2024-12-17 18:27:12,585 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 18:27:12,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.58ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 107.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-17 18:27:12,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 104.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 18:27:12,586 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 18:27:12,586 INFO L158 Benchmark]: RCFGBuilder took 594.44ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 123.5MB in the end (delta: -20.7MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-12-17 18:27:12,586 INFO L158 Benchmark]: TraceAbstraction took 82788.58ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 123.5MB in the beginning and 816.3MB in the end (delta: -692.8MB). Peak memory consumption was 721.9MB. Max. memory is 16.1GB. [2024-12-17 18:27:12,586 INFO L158 Benchmark]: Witness Printer took 70.21ms. Allocated memory is still 1.2GB. Free memory was 816.3MB in the beginning and 812.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 18:27:12,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.58ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 107.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 104.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 594.44ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 123.5MB in the end (delta: -20.7MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * TraceAbstraction took 82788.58ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 123.5MB in the beginning and 816.3MB in the end (delta: -692.8MB). Peak memory consumption was 721.9MB. Max. memory is 16.1GB. * Witness Printer took 70.21ms. Allocated memory is still 1.2GB. Free memory was 816.3MB in the beginning and 812.0MB in the end (delta: 4.3MB). There was no memory consumed. 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: 888, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 94, dependent conditional: 69, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 193, dependent conditional: 168, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 334, independent conditional: 4, independent unconditional: 330, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33539, independent: 1901, independent conditional: 1870, independent unconditional: 30, dependent: 31638, dependent conditional: 10134, dependent unconditional: 21505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 987, independent: 460, independent conditional: 42, independent unconditional: 418, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 370, unknown conditional: 12, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 334, Positive conditional cache size: 4, Positive unconditional cache size: 330, Negative cache size: 36, Negative conditional cache size: 8, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 542, Maximal queried relation: 1, Independence queries for same thread: 8, Persistent sets #1 benchmarks: Persistent set computation time: 20.9s, Number of persistent set computation: 118, Number of trivial persistent sets: 84, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 330, independent conditional: 0, independent unconditional: 330, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 888, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 94, dependent conditional: 69, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 880, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 86, dependent conditional: 61, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 464, independent unconditional: 330, dependent: 193, dependent conditional: 168, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 987, independent: 794, independent conditional: 46, independent unconditional: 748, dependent: 193, dependent conditional: 44, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, independent: 334, independent conditional: 4, independent unconditional: 330, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 36, dependent conditional: 8, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33539, independent: 1901, independent conditional: 1870, independent unconditional: 30, dependent: 31638, dependent conditional: 10134, dependent unconditional: 21505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 987, independent: 460, independent conditional: 42, independent unconditional: 418, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 370, unknown conditional: 12, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 334, Positive conditional cache size: 4, Positive unconditional cache size: 330, Negative cache size: 36, Negative conditional cache size: 8, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 542, Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1908, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 163, dependent conditional: 132, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 528, dependent conditional: 497, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 8, independent unconditional: 68, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42284, independent: 8394, independent conditional: 8392, independent unconditional: 1, dependent: 33890, dependent conditional: 9577, dependent unconditional: 24313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2273, independent: 1669, independent conditional: 80, independent unconditional: 1589, dependent: 504, dependent conditional: 65, dependent unconditional: 439, unknown: 100, unknown conditional: 17, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 406, Positive conditional cache size: 8, Positive unconditional cache size: 398, Negative cache size: 52, Negative conditional cache size: 9, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1773, Maximal queried relation: 5, Independence queries for same thread: 28, Persistent sets #1 benchmarks: Persistent set computation time: 24.3s, Number of persistent set computation: 156, Number of trivial persistent sets: 90, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1908, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 163, dependent conditional: 132, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1880, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 135, dependent conditional: 104, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 1438, independent unconditional: 307, dependent: 528, dependent conditional: 497, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2273, independent: 1745, independent conditional: 88, independent unconditional: 1657, dependent: 528, dependent conditional: 74, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, independent: 76, independent conditional: 8, independent unconditional: 68, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 9, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42284, independent: 8394, independent conditional: 8392, independent unconditional: 1, dependent: 33890, dependent conditional: 9577, dependent unconditional: 24313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2273, independent: 1669, independent conditional: 80, independent unconditional: 1589, dependent: 504, dependent conditional: 65, dependent unconditional: 439, unknown: 100, unknown conditional: 17, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 406, Positive conditional cache size: 8, Positive unconditional cache size: 398, Negative cache size: 52, Negative conditional cache size: 9, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1773, Maximal queried relation: 5, Independence queries for same thread: 28 - 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 - 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 51 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 34.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 33.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 51 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 48.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 43.6s, 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: 34, 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, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 1602 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-17 18:27:12,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE