./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/parallel-lamport.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/parallel-lamport.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:21:57,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:21:57,133 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:21:57,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:21:57,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:21:57,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:21:57,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:21:57,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:21:57,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:21:57,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:21:57,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:21:57,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:21:57,173 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:21:57,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:21:57,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:21:57,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:21:57,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:21:57,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:21:57,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:21:57,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:21:57,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:21:57,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:21:57,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:21:57,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:21:57,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:21:57,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:21:57,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:21:57,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:21:57,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:21:57,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:21:57,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:21:57,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:21:57,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:21:57,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:21:57,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:21:57,182 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:21:57,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:21:57,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:21:57,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:21:57,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:21:57,182 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:21:57,184 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:21:57,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:21:57,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:21:57,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:21:57,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:21:57,439 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:21:57,440 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:21:57,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/parallel-lamport.wvr.yml/witness.yml [2024-08-14 03:21:57,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:21:57,551 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:21:57,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-08-14 03:21:58,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:21:59,051 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:21:59,052 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-08-14 03:21:59,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/48e9f94ae/ae0725051bc94377966a3da36745cb47/FLAG70c5a610a [2024-08-14 03:21:59,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/48e9f94ae/ae0725051bc94377966a3da36745cb47 [2024-08-14 03:21:59,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:21:59,071 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:21:59,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:21:59,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:21:59,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:21:59,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:21:57" (1/2) ... [2024-08-14 03:21:59,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654896d4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:21:59, skipping insertion in model container [2024-08-14 03:21:59,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:21:57" (1/2) ... [2024-08-14 03:21:59,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e67a2a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:21:59, skipping insertion in model container [2024-08-14 03:21:59,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:21:59" (2/2) ... [2024-08-14 03:21:59,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654896d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59, skipping insertion in model container [2024-08-14 03:21:59,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:21:59" (2/2) ... [2024-08-14 03:21:59,083 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:21:59,093 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:21:59,093 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:21:59,094 INFO L106 edCorrectnessWitness]: ghost_update [L153-L153] multithreaded = 1; [2024-08-14 03:21:59,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:21:59,275 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4249,4262] [2024-08-14 03:21:59,297 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:21:59,307 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-14 03:21:59,361 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4249,4262] [2024-08-14 03:21:59,370 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:21:59,393 INFO L206 MainTranslator]: Completed translation [2024-08-14 03:21:59,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59 WrapperNode [2024-08-14 03:21:59,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:21:59,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 03:21:59,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 03:21:59,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 03:21:59,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,459 INFO L138 Inliner]: procedures = 24, calls = 74, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 231 [2024-08-14 03:21:59,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 03:21:59,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 03:21:59,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 03:21:59,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 03:21:59,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 03:21:59,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 03:21:59,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 03:21:59,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 03:21:59,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (1/1) ... [2024-08-14 03:21:59,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:21:59,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:21:59,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 03:21:59,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 03:21:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 03:21:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 03:21:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 03:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 03:21:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 03:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-14 03:21:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-14 03:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 03:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 03:21:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 03:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 03:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 03:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 03:21:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 03:21:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 03:21:59,609 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 03:21:59,689 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 03:21:59,691 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 03:21:59,896 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 03:21:59,897 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 03:22:00,104 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 03:22:00,105 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-08-14 03:22:00,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:22:00 BoogieIcfgContainer [2024-08-14 03:22:00,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 03:22:00,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 03:22:00,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 03:22:00,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 03:22:00,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:21:57" (1/4) ... [2024-08-14 03:22:00,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d575db4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:22:00, skipping insertion in model container [2024-08-14 03:22:00,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 03:21:59" (2/4) ... [2024-08-14 03:22:00,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d575db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:22:00, skipping insertion in model container [2024-08-14 03:22:00,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:21:59" (3/4) ... [2024-08-14 03:22:00,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d575db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:22:00, skipping insertion in model container [2024-08-14 03:22:00,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:22:00" (4/4) ... [2024-08-14 03:22:00,116 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-08-14 03:22:00,135 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 03:22:00,135 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 03:22:00,136 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 03:22:00,180 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-14 03:22:00,217 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:22:00,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 03:22:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:22:00,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 03:22:00,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 03:22:00,245 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 03:22:00,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 03:22:00,259 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=false, 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;@4a136d7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:22:00,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 03:22:00,371 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:00,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:00,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1546273298, now seen corresponding path program 1 times [2024-08-14 03:22:00,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:00,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250306604] [2024-08-14 03:22:00,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:22:00,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:00,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250306604] [2024-08-14 03:22:00,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250306604] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:00,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:22:00,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 03:22:00,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90105068] [2024-08-14 03:22:00,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 03:22:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:00,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 03:22:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 03:22:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:00,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:00,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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) [2024-08-14 03:22:00,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:01,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 03:22:01,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:01,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:01,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1377922916, now seen corresponding path program 1 times [2024-08-14 03:22:01,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:01,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389355292] [2024-08-14 03:22:01,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:22:01,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:01,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389355292] [2024-08-14 03:22:01,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389355292] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:22:01,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709812904] [2024-08-14 03:22:01,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:01,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:22:01,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:22:01,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 03:22:01,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 03:22:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:01,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 33 conjunts are in the unsatisfiable core [2024-08-14 03:22:01,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:22:01,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-08-14 03:22:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:22:02,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:22:03,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2024-08-14 03:22:03,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 03:22:03,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 58 [2024-08-14 03:22:04,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2024-08-14 03:22:04,062 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-08-14 03:22:04,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 1 [2024-08-14 03:22:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:22:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709812904] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:22:04,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:22:04,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 29 [2024-08-14 03:22:04,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668158556] [2024-08-14 03:22:04,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:22:04,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-08-14 03:22:04,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:04,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-08-14 03:22:04,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2024-08-14 03:22:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:04,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:04,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.133333333333334) internal successors, (124), 29 states have internal predecessors, (124), 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) [2024-08-14 03:22:04,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:04,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:04,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-14 03:22:04,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-14 03:22:04,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:04,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:04,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1833692334, now seen corresponding path program 2 times [2024-08-14 03:22:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:04,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838209385] [2024-08-14 03:22:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:04,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:22:06,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:06,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838209385] [2024-08-14 03:22:06,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838209385] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:22:06,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715403732] [2024-08-14 03:22:06,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 03:22:06,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:22:06,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:22:06,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 03:22:06,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 03:22:06,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-14 03:22:06,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:22:06,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-14 03:22:06,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:22:06,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 03:22:06,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-08-14 03:22:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:06,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 03:22:06,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715403732] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:06,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 03:22:06,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-08-14 03:22:06,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495650014] [2024-08-14 03:22:06,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:06,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 03:22:06,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:06,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 03:22:06,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-08-14 03:22:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:06,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:06,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2024-08-14 03:22:06,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:06,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:06,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:06,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-14 03:22:07,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:22:07,085 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:07,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1548401454, now seen corresponding path program 3 times [2024-08-14 03:22:07,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:07,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676112436] [2024-08-14 03:22:07,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:07,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:07,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:07,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676112436] [2024-08-14 03:22:07,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676112436] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:07,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:22:07,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 03:22:07,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918349148] [2024-08-14 03:22:07,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:07,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 03:22:07,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:07,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 03:22:07,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-14 03:22:07,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:07,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:07,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-08-14 03:22:07,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:07,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 03:22:07,499 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:07,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:07,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1653528890, now seen corresponding path program 4 times [2024-08-14 03:22:07,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:07,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222836728] [2024-08-14 03:22:07,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:07,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:07,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222836728] [2024-08-14 03:22:07,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222836728] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:07,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:22:07,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 03:22:07,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110924813] [2024-08-14 03:22:07,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:07,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 03:22:07,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:07,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 03:22:07,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 03:22:07,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:07,545 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:07,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-08-14 03:22:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 03:22:07,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:07,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:07,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1054821720, now seen corresponding path program 5 times [2024-08-14 03:22:07,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:07,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353981690] [2024-08-14 03:22:07,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:07,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:07,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353981690] [2024-08-14 03:22:07,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353981690] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:07,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:22:07,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 03:22:07,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076537894] [2024-08-14 03:22:07,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:07,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 03:22:07,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:07,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 03:22:07,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-08-14 03:22:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:07,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:07,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-08-14 03:22:07,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:07,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:07,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 03:22:07,895 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:07,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash -214271882, now seen corresponding path program 6 times [2024-08-14 03:22:07,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:07,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261812646] [2024-08-14 03:22:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:08,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:08,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261812646] [2024-08-14 03:22:08,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261812646] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:08,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:22:08,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 03:22:08,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333599908] [2024-08-14 03:22:08,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:08,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 03:22:08,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:08,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 03:22:08,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 03:22:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:08,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:08,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-08-14 03:22:08,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:08,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:08,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 03:22:08,119 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:08,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:08,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1300399846, now seen corresponding path program 7 times [2024-08-14 03:22:08,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:08,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415082241] [2024-08-14 03:22:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:08,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:08,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:08,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415082241] [2024-08-14 03:22:08,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415082241] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:08,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:22:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-14 03:22:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583088340] [2024-08-14 03:22:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:08,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 03:22:08,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:08,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 03:22:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-14 03:22:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:08,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:08,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:08,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-14 03:22:08,420 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:22:08,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:22:08,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1277008606, now seen corresponding path program 8 times [2024-08-14 03:22:08,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:22:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243534197] [2024-08-14 03:22:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:22:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:22:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:22:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:22:09,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:22:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243534197] [2024-08-14 03:22:09,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243534197] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:22:09,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117065428] [2024-08-14 03:22:09,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 03:22:09,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:22:09,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:22:09,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 03:22:09,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 03:22:09,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-14 03:22:09,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:22:09,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-14 03:22:09,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:22:09,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 03:22:09,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-08-14 03:22:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:22:09,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 03:22:09,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117065428] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:22:09,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 03:22:09,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-08-14 03:22:09,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587330303] [2024-08-14 03:22:09,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:22:09,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 03:22:09,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:22:09,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 03:22:09,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-08-14 03:22:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:09,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:22:09,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2024-08-14 03:22:09,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:09,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:22:09,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:09,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:09,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:09,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:09,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:09,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:09,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:22:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 03:22:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:22:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:22:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:22:10,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-08-14 03:22:10,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-08-14 03:22:10,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-14 03:22:10,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-14 03:22:10,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-14 03:22:10,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:22:10,961 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1] [2024-08-14 03:22:10,963 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 03:22:10,963 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 03:22:10,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 03:22:10 BasicIcfg [2024-08-14 03:22:10,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 03:22:10,967 INFO L158 Benchmark]: Toolchain (without parser) took 11895.59ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 67.6MB in the beginning and 303.8MB in the end (delta: -236.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-08-14 03:22:10,967 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:22:10,967 INFO L158 Benchmark]: CDTParser took 2.39ms. Allocated memory is still 142.6MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:22:10,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.70ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 52.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 03:22:10,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.71ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 49.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 03:22:10,968 INFO L158 Benchmark]: Boogie Preprocessor took 53.96ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 49.8MB in the beginning and 171.9MB in the end (delta: -122.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-08-14 03:22:10,969 INFO L158 Benchmark]: RCFGBuilder took 581.57ms. Allocated memory is still 203.4MB. Free memory was 171.8MB in the beginning and 115.9MB in the end (delta: 55.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-08-14 03:22:10,969 INFO L158 Benchmark]: TraceAbstraction took 10858.56ms. Allocated memory was 203.4MB in the beginning and 419.4MB in the end (delta: 216.0MB). Free memory was 114.8MB in the beginning and 303.8MB in the end (delta: -189.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-08-14 03:22:10,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 2.39ms. Allocated memory is still 142.6MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.70ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 52.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.71ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 49.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.96ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 49.8MB in the beginning and 171.9MB in the end (delta: -122.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 581.57ms. Allocated memory is still 203.4MB. Free memory was 171.8MB in the beginning and 115.9MB in the end (delta: 55.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10858.56ms. Allocated memory was 203.4MB in the beginning and 419.4MB in the end (delta: 216.0MB). Free memory was 114.8MB in the beginning and 303.8MB in the end (delta: -189.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11590, independent: 11477, independent conditional: 10498, independent unconditional: 979, dependent: 113, dependent conditional: 82, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11572, independent: 11477, independent conditional: 10498, independent unconditional: 979, dependent: 95, dependent conditional: 64, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11572, independent: 11477, independent conditional: 10498, independent unconditional: 979, dependent: 95, dependent conditional: 64, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11835, independent: 11477, independent conditional: 10, independent unconditional: 11467, dependent: 358, dependent conditional: 253, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11835, independent: 11477, independent conditional: 10, independent unconditional: 11467, dependent: 358, dependent conditional: 81, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11835, independent: 11477, independent conditional: 10, independent unconditional: 11467, dependent: 358, dependent conditional: 81, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1030, independent: 982, independent conditional: 3, independent unconditional: 979, dependent: 48, dependent conditional: 17, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1030, independent: 971, independent conditional: 0, independent unconditional: 971, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 48, dependent conditional: 17, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 48, dependent conditional: 17, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 38, independent conditional: 3, independent unconditional: 35, dependent: 88, dependent conditional: 26, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11835, independent: 10495, independent conditional: 7, independent unconditional: 10488, dependent: 310, dependent conditional: 64, dependent unconditional: 246, unknown: 1030, unknown conditional: 20, unknown unconditional: 1010] , Statistics on independence cache: Total cache size (in pairs): 1030, Positive cache size: 982, Positive conditional cache size: 3, Positive unconditional cache size: 979, Negative cache size: 48, Negative conditional cache size: 17, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 172, Maximal queried relation: 8, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 526, Number of trivial persistent sets: 361, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1010, independent: 979, independent conditional: 0, independent unconditional: 979, 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: 11590, independent: 11477, independent conditional: 10498, independent unconditional: 979, dependent: 113, dependent conditional: 82, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11572, independent: 11477, independent conditional: 10498, independent unconditional: 979, dependent: 95, dependent conditional: 64, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11572, independent: 11477, independent conditional: 10498, independent unconditional: 979, dependent: 95, dependent conditional: 64, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11835, independent: 11477, independent conditional: 10, independent unconditional: 11467, dependent: 358, dependent conditional: 253, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11835, independent: 11477, independent conditional: 10, independent unconditional: 11467, dependent: 358, dependent conditional: 81, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11835, independent: 11477, independent conditional: 10, independent unconditional: 11467, dependent: 358, dependent conditional: 81, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1030, independent: 982, independent conditional: 3, independent unconditional: 979, dependent: 48, dependent conditional: 17, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1030, independent: 971, independent conditional: 0, independent unconditional: 971, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 48, dependent conditional: 17, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 11, independent conditional: 3, independent unconditional: 8, dependent: 48, dependent conditional: 17, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 38, independent conditional: 3, independent unconditional: 35, dependent: 88, dependent conditional: 26, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11835, independent: 10495, independent conditional: 7, independent unconditional: 10488, dependent: 310, dependent conditional: 64, dependent unconditional: 246, unknown: 1030, unknown conditional: 20, unknown unconditional: 1010] , Statistics on independence cache: Total cache size (in pairs): 1030, Positive cache size: 982, Positive conditional cache size: 3, Positive unconditional cache size: 979, Negative cache size: 48, Negative conditional cache size: 17, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 172, Maximal queried relation: 8, Independence queries for same thread: 18 - PositiveResult [Line: 161]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 83 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 2.5s, 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: 65, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 536 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 567 ConstructedInterpolants, 38 QuantifiedInterpolants, 8398 SizeOfPredicates, 30 NumberOfNonLiveVariables, 663 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 21/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 03:22:10,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-14 03:22:11,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE