./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fbcb9f20 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 --- Real Ultimate output --- This is Ultimate 0.2.3-?-fbcb9f2-m [2023-11-24 03:22:13,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 03:22:13,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-24 03:22:13,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 03:22:13,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 03:22:13,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 03:22:13,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 03:22:13,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 03:22:13,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 03:22:13,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 03:22:13,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 03:22:13,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 03:22:13,118 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 03:22:13,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 03:22:13,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 03:22:13,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 03:22:13,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 03:22:13,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 03:22:13,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 03:22:13,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 03:22:13,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 03:22:13,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 03:22:13,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 03:22:13,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 03:22:13,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 03:22:13,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 03:22:13,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 03:22:13,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 03:22:13,125 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 03:22:13,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 [2023-11-24 03:22:13,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 03:22:13,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 03:22:13,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 03:22:13,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 03:22:13,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 03:22:13,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2023-11-24 03:22:14,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 03:22:14,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 03:22:14,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2023-11-24 03:22:14,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f375bed5/ab9c7f138fb3465fb52a23df24419121/FLAGd25340b0d [2023-11-24 03:22:14,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f375bed5/ab9c7f138fb3465fb52a23df24419121 [2023-11-24 03:22:14,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 03:22:14,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 03:22:14,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 03:22:14,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 03:22:14,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 03:22:14,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40475221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14, skipping insertion in model container [2023-11-24 03:22:14,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 03:22:14,683 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2023-11-24 03:22:14,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 03:22:14,811 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 03:22:14,821 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2023-11-24 03:22:14,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 03:22:14,887 INFO L206 MainTranslator]: Completed translation [2023-11-24 03:22:14,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14 WrapperNode [2023-11-24 03:22:14,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 03:22:14,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 03:22:14,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 03:22:14,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 03:22:14,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,936 INFO L138 Inliner]: procedures = 163, calls = 48, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2023-11-24 03:22:14,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 03:22:14,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 03:22:14,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 03:22:14,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 03:22:14,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 03:22:14,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 03:22:14,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 03:22:14,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 03:22:14,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (1/1) ... [2023-11-24 03:22:14,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 03:22:14,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 03:22:15,001 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) [2023-11-24 03:22:15,018 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 [2023-11-24 03:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 03:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 03:22:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 03:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 03:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 03:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-24 03:22:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-24 03:22:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 03:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 03:22:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 03:22:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 03:22:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 03:22:15,041 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 03:22:15,145 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 03:22:15,148 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 03:22:15,339 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 03:22:15,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 03:22:15,444 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 03:22:15,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:22:15 BoogieIcfgContainer [2023-11-24 03:22:15,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 03:22:15,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 03:22:15,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 03:22:15,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 03:22:15,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:22:14" (1/3) ... [2023-11-24 03:22:15,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408d077b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:22:15, skipping insertion in model container [2023-11-24 03:22:15,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:22:14" (2/3) ... [2023-11-24 03:22:15,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408d077b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:22:15, skipping insertion in model container [2023-11-24 03:22:15,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:22:15" (3/3) ... [2023-11-24 03:22:15,452 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2023-11-24 03:22:15,458 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 03:22:15,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 03:22:15,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 03:22:15,466 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 03:22:15,514 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-24 03:22:15,543 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 03:22:15,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 03:22:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 03:22:15,545 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) [2023-11-24 03:22:15,549 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 [2023-11-24 03:22:15,588 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 03:22:15,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 03:22:15,606 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;@14e63606, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 03:22:15,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 03:22:15,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 03:22:15,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 03:22:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash 440516093, now seen corresponding path program 1 times [2023-11-24 03:22:15,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 03:22:15,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73257072] [2023-11-24 03:22:15,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 03:22:15,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 03:22:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 03:22:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 03:22:16,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 03:22:16,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73257072] [2023-11-24 03:22:16,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73257072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 03:22:16,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 03:22:16,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 03:22:16,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708987546] [2023-11-24 03:22:16,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 03:22:16,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 03:22:16,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 03:22:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 03:22:16,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 03:22:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:16,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 03:22:16,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 03:22:16,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:16,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 03:22:16,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 03:22:16,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 03:22:16,361 INFO L85 PathProgramCache]: Analyzing trace with hash 825618667, now seen corresponding path program 2 times [2023-11-24 03:22:16,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 03:22:16,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468100426] [2023-11-24 03:22:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 03:22:16,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 03:22:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 03:22:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 03:22:16,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 03:22:16,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468100426] [2023-11-24 03:22:16,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468100426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 03:22:16,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 03:22:16,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 03:22:16,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150506233] [2023-11-24 03:22:16,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 03:22:16,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 03:22:16,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 03:22:16,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 03:22:16,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 03:22:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:16,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 03:22:16,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 03:22:16,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:16,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:16,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 03:22:16,602 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 03:22:16,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 03:22:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash 126615297, now seen corresponding path program 1 times [2023-11-24 03:22:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 03:22:16,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022647209] [2023-11-24 03:22:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 03:22:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 03:22:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 03:22:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 03:22:16,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 03:22:16,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022647209] [2023-11-24 03:22:16,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022647209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 03:22:16,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 03:22:16,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 03:22:16,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954203709] [2023-11-24 03:22:16,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 03:22:16,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 03:22:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 03:22:16,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 03:22:16,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 03:22:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:16,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 03:22:16,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-24 03:22:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:16,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 03:22:16,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 03:22:16,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 03:22:16,987 INFO L85 PathProgramCache]: Analyzing trace with hash 770433267, now seen corresponding path program 1 times [2023-11-24 03:22:16,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 03:22:16,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736930856] [2023-11-24 03:22:16,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 03:22:16,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 03:22:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 03:22:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 03:22:17,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 03:22:17,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736930856] [2023-11-24 03:22:17,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736930856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 03:22:17,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 03:22:17,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 03:22:17,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759025291] [2023-11-24 03:22:17,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 03:22:17,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 03:22:17,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 03:22:17,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 03:22:17,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 03:22:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:17,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 03:22:17,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-24 03:22:17,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:17,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:17,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 03:22:17,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 03:22:17,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 03:22:17,239 INFO L85 PathProgramCache]: Analyzing trace with hash 573030751, now seen corresponding path program 1 times [2023-11-24 03:22:17,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 03:22:17,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885165540] [2023-11-24 03:22:17,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 03:22:17,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 03:22:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 03:22:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 03:22:17,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 03:22:17,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885165540] [2023-11-24 03:22:17,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885165540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 03:22:17,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 03:22:17,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 03:22:17,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104490645] [2023-11-24 03:22:17,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 03:22:17,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 03:22:17,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 03:22:17,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 03:22:17,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-24 03:22:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:17,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 03:22:17,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 03:22:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 03:22:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 03:22:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 03:22:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 03:22:17,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-24 03:22:17,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2023-11-24 03:22:17,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-24 03:22:17,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 03:22:17,631 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-11-24 03:22:17,633 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-24 03:22:17,633 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 03:22:17,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:22:17 BasicIcfg [2023-11-24 03:22:17,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 03:22:17,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 03:22:17,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 03:22:17,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 03:22:17,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:22:15" (3/4) ... [2023-11-24 03:22:17,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 03:22:17,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-24 03:22:17,648 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-24 03:22:17,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 03:22:17,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 03:22:17,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 03:22:17,715 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2023-11-24 03:22:17,718 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2023-11-24 03:22:17,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 03:22:17,718 INFO L158 Benchmark]: Toolchain (without parser) took 3224.02ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 107.4MB in the beginning and 118.6MB in the end (delta: -11.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,719 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 114.0MB in the beginning and 113.9MB in the end (delta: 86.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 03:22:17,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.80ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 87.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 144.7MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,719 INFO L158 Benchmark]: Boogie Preprocessor took 38.01ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 83.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,719 INFO L158 Benchmark]: RCFGBuilder took 468.80ms. Allocated memory is still 144.7MB. Free memory was 83.6MB in the beginning and 87.4MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,720 INFO L158 Benchmark]: TraceAbstraction took 2191.18ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 86.7MB in the beginning and 122.8MB in the end (delta: -36.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,720 INFO L158 Benchmark]: Witness Printer took 80.18ms. Allocated memory is still 211.8MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 03:22:17,721 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 144.7MB. Free memory was 114.0MB in the beginning and 113.9MB in the end (delta: 86.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.80ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 87.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 144.7MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.01ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 83.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.80ms. Allocated memory is still 144.7MB. Free memory was 83.6MB in the beginning and 87.4MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2191.18ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 86.7MB in the beginning and 122.8MB in the end (delta: -36.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Witness Printer took 80.18ms. Allocated memory is still 211.8MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1581, independent: 1432, independent conditional: 741, independent unconditional: 691, dependent: 149, dependent conditional: 94, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1525, independent: 1432, independent conditional: 741, independent unconditional: 691, dependent: 93, dependent conditional: 38, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1525, independent: 1432, independent conditional: 741, independent unconditional: 691, dependent: 93, dependent conditional: 38, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1634, independent: 1432, independent conditional: 28, independent unconditional: 1404, dependent: 202, dependent conditional: 81, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1634, independent: 1432, independent conditional: 28, independent unconditional: 1404, dependent: 202, dependent conditional: 39, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, independent: 1432, independent conditional: 28, independent unconditional: 1404, dependent: 202, dependent conditional: 39, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 793, independent: 712, independent conditional: 21, independent unconditional: 691, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 793, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 72, independent conditional: 21, independent unconditional: 51, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 72, independent conditional: 21, independent unconditional: 51, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 295, independent: 146, independent conditional: 36, independent unconditional: 111, dependent: 149, dependent conditional: 49, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1634, independent: 720, independent conditional: 7, independent unconditional: 713, dependent: 121, dependent conditional: 13, dependent unconditional: 108, unknown: 793, unknown conditional: 47, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 712, Positive conditional cache size: 21, Positive unconditional cache size: 691, Negative cache size: 81, Negative conditional cache size: 26, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42, Maximal queried relation: 5, Independence queries for same thread: 56 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 234, Number of trivial persistent sets: 234, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746, independent: 691, independent conditional: 0, independent unconditional: 691, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1581, independent: 1432, independent conditional: 741, independent unconditional: 691, dependent: 149, dependent conditional: 94, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1525, independent: 1432, independent conditional: 741, independent unconditional: 691, dependent: 93, dependent conditional: 38, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1525, independent: 1432, independent conditional: 741, independent unconditional: 691, dependent: 93, dependent conditional: 38, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1634, independent: 1432, independent conditional: 28, independent unconditional: 1404, dependent: 202, dependent conditional: 81, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1634, independent: 1432, independent conditional: 28, independent unconditional: 1404, dependent: 202, dependent conditional: 39, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, independent: 1432, independent conditional: 28, independent unconditional: 1404, dependent: 202, dependent conditional: 39, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 793, independent: 712, independent conditional: 21, independent unconditional: 691, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 793, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 72, independent conditional: 21, independent unconditional: 51, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 72, independent conditional: 21, independent unconditional: 51, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 295, independent: 146, independent conditional: 36, independent unconditional: 111, dependent: 149, dependent conditional: 49, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1634, independent: 720, independent conditional: 7, independent unconditional: 713, dependent: 121, dependent conditional: 13, dependent unconditional: 108, unknown: 793, unknown conditional: 47, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 712, Positive conditional cache size: 21, Positive unconditional cache size: 691, Negative cache size: 81, Negative conditional cache size: 26, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42, Maximal queried relation: 5, Independence queries for same thread: 56 - PositiveResult [Line: 19]: 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 67 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 645 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-24 03:22:17,752 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 [2023-11-24 03:22:17,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE