./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/protection/parallel-barrier.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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-barrier.wvr.c ./goblint.2024-06-19_11-23-25.files/protection/parallel-barrier.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 --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 11:06:44,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 11:06:44,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 11:06:44,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 11:06:44,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 11:06:44,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 11:06:44,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 11:06:44,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 11:06:44,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 11:06:44,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 11:06:44,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 11:06:44,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 11:06:44,405 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 11:06:44,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 11:06:44,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 11:06:44,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 11:06:44,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 11:06:44,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 11:06:44,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 11:06:44,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 11:06:44,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 11:06:44,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 11:06:44,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 11:06:44,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 11:06:44,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 11:06:44,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 11:06:44,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 11:06:44,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 11:06:44,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 11:06:44,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 11:06:44,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 11:06:44,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 11:06:44,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 11:06:44,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 11:06:44,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 11:06:44,424 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 11:06:44,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 11:06:44,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 11:06:44,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 11:06:44,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 11:06:44,426 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 11:06:44,432 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 11:06:44,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-17 11:06:44,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 11:06:44,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 11:06:44,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 11:06:44,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 11:06:44,646 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 11:06:44,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2024-07-17 11:06:45,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 11:06:45,759 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 11:06:45,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2024-07-17 11:06:45,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b87aff759/3d3baa92c56e415993983c73192f0a79/FLAG7d32e82b7 [2024-07-17 11:06:45,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b87aff759/3d3baa92c56e415993983c73192f0a79 [2024-07-17 11:06:45,784 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 11:06:45,785 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 11:06:45,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/parallel-barrier.wvr.yml/witness.yml [2024-07-17 11:06:45,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 11:06:45,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 11:06:45,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 11:06:45,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 11:06:45,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 11:06:45,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:06:45" (1/2) ... [2024-07-17 11:06:45,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b4a2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:06:45, skipping insertion in model container [2024-07-17 11:06:45,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:06:45" (1/2) ... [2024-07-17 11:06:45,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2acd3234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:06:45, skipping insertion in model container [2024-07-17 11:06:45,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:06:45" (2/2) ... [2024-07-17 11:06:45,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b4a2c3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:45, skipping insertion in model container [2024-07-17 11:06:45,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:06:45" (2/2) ... [2024-07-17 11:06:45,884 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 11:06:45,894 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 11:06:45,895 INFO L97 edCorrectnessWitness]: Location invariant before [L102-L102] ! multithreaded || -2147483647 <= y_7 [2024-07-17 11:06:45,895 INFO L97 edCorrectnessWitness]: Location invariant before [L166-L166] ! multithreaded || -2147483647 <= y_7 [2024-07-17 11:06:45,896 INFO L97 edCorrectnessWitness]: Location invariant before [L194-L194] ! multithreaded || -2147483647 <= y_7 [2024-07-17 11:06:45,896 INFO L97 edCorrectnessWitness]: Location invariant before [L193-L193] ! multithreaded || -2147483647 <= y_7 [2024-07-17 11:06:45,896 INFO L97 edCorrectnessWitness]: Location invariant before [L165-L165] ! multithreaded || -2147483647 <= y_7 [2024-07-17 11:06:45,896 INFO L97 edCorrectnessWitness]: Location invariant before [L103-L103] ! multithreaded || -2147483647 <= y_7 [2024-07-17 11:06:45,896 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 11:06:45,896 INFO L106 edCorrectnessWitness]: ghost_update [L192-L192] multithreaded = 1; [2024-07-17 11:06:45,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 11:06:46,106 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-barrier.wvr.c[4800,4813] [2024-07-17 11:06:46,121 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 11:06:46,129 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 11:06:46,233 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-barrier.wvr.c[4800,4813] [2024-07-17 11:06:46,234 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 11:06:46,250 INFO L206 MainTranslator]: Completed translation [2024-07-17 11:06:46,250 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46 WrapperNode [2024-07-17 11:06:46,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 11:06:46,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 11:06:46,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 11:06:46,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 11:06:46,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,281 INFO L138 Inliner]: procedures = 24, calls = 68, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 247 [2024-07-17 11:06:46,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 11:06:46,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 11:06:46,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 11:06:46,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 11:06:46,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 11:06:46,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 11:06:46,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 11:06:46,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 11:06:46,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (1/1) ... [2024-07-17 11:06:46,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 11:06:46,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:46,326 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) [2024-07-17 11:06:46,328 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 [2024-07-17 11:06:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 11:06:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 11:06:46,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 11:06:46,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 11:06:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 11:06:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-17 11:06:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-17 11:06:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-07-17 11:06:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-07-17 11:06:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 11:06:46,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-07-17 11:06:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-07-17 11:06:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-07-17 11:06:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-07-17 11:06:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-17 11:06:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-17 11:06:46,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 11:06:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 11:06:46,355 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 11:06:46,442 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 11:06:46,443 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 11:06:46,671 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 11:06:46,671 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 11:06:46,867 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 11:06:46,867 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 11:06:46,868 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:06:46 BoogieIcfgContainer [2024-07-17 11:06:46,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 11:06:46,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 11:06:46,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 11:06:46,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 11:06:46,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:06:45" (1/4) ... [2024-07-17 11:06:46,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63112a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:06:46, skipping insertion in model container [2024-07-17 11:06:46,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 11:06:45" (2/4) ... [2024-07-17 11:06:46,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63112a20 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 11:06:46, skipping insertion in model container [2024-07-17 11:06:46,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 11:06:46" (3/4) ... [2024-07-17 11:06:46,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63112a20 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 11:06:46, skipping insertion in model container [2024-07-17 11:06:46,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:06:46" (4/4) ... [2024-07-17 11:06:46,880 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-07-17 11:06:46,893 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 11:06:46,893 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-07-17 11:06:46,893 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 11:06:46,990 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-07-17 11:06:47,026 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:47,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:06:47,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:47,028 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) [2024-07-17 11:06:47,029 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 [2024-07-17 11:06:47,116 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:06:47,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork5 ======== [2024-07-17 11:06:47,134 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;@a279a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:47,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 11:06:47,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:06:47,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:47,365 INFO L85 PathProgramCache]: Analyzing trace with hash 53282631, now seen corresponding path program 1 times [2024-07-17 11:06:47,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:47,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422408334] [2024-07-17 11:06:47,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:47,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:47,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422408334] [2024-07-17 11:06:47,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422408334] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:47,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:47,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 11:06:47,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057479999] [2024-07-17 11:06:47,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:47,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:47,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:47,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:47,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:47,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:47,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2024-07-17 11:06:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:47,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 11:06:47,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:06:47,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:47,863 INFO L85 PathProgramCache]: Analyzing trace with hash -763913286, now seen corresponding path program 1 times [2024-07-17 11:06:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:47,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042578084] [2024-07-17 11:06:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:48,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042578084] [2024-07-17 11:06:48,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042578084] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:48,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:48,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:48,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844101741] [2024-07-17 11:06:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:48,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:48,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:48,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:48,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:48,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-07-17 11:06:48,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 11:06:48,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:06:48,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:48,147 INFO L85 PathProgramCache]: Analyzing trace with hash -604500226, now seen corresponding path program 2 times [2024-07-17 11:06:48,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:48,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359790684] [2024-07-17 11:06:48,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:48,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:48,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359790684] [2024-07-17 11:06:48,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359790684] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:48,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:48,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:48,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787052944] [2024-07-17 11:06:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:48,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:06:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:48,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:06:48,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:06:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:48,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-07-17 11:06:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-17 11:06:48,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:06:48,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:48,421 INFO L85 PathProgramCache]: Analyzing trace with hash -185824772, now seen corresponding path program 1 times [2024-07-17 11:06:48,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:48,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67858466] [2024-07-17 11:06:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:48,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:48,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:48,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67858466] [2024-07-17 11:06:48,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67858466] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:48,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:48,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:48,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903227868] [2024-07-17 11:06:48,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:48,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:48,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:48,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:48,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:48,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-07-17 11:06:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-17 11:06:48,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:06:48,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash -604377094, now seen corresponding path program 1 times [2024-07-17 11:06:48,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:48,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989276603] [2024-07-17 11:06:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:48,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:48,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989276603] [2024-07-17 11:06:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989276603] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:48,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:48,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513581525] [2024-07-17 11:06:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:48,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:06:48,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:48,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:06:48,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:06:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:48,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-07-17 11:06:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-17 11:06:48,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:06:48,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:48,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1863584256, now seen corresponding path program 1 times [2024-07-17 11:06:48,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:48,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710086181] [2024-07-17 11:06:48,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:48,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:48,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:48,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710086181] [2024-07-17 11:06:48,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710086181] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:48,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:48,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:06:48,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517687272] [2024-07-17 11:06:48,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:48,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 11:06:48,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:48,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 11:06:48,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-17 11:06:48,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:48,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:48,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2024-07-17 11:06:48,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:48,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:48,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:06:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:06:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:06:55,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-17 11:06:55,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 11:06:55,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 11:06:55,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 11:06:55,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-17 11:06:55,384 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-07-17 11:06:55,385 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork5 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-07-17 11:06:55,391 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:55,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:06:55,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:06:55,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 11:06:55,534 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:06:55,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 11:06:55,535 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;@a279a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:06:55,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-17 11:06:55,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-07-17 11:06:55,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:06:55,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:55,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1803178985, now seen corresponding path program 1 times [2024-07-17 11:06:55,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:55,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821683667] [2024-07-17 11:06:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:55,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:55,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:55,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821683667] [2024-07-17 11:06:55,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821683667] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:55,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 11:06:55,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266565910] [2024-07-17 11:06:55,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:55,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:55,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:55,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:55,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-07-17 11:06:55,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-07-17 11:06:55,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:06:55,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:55,773 INFO L85 PathProgramCache]: Analyzing trace with hash -236756268, now seen corresponding path program 1 times [2024-07-17 11:06:55,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:55,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703447121] [2024-07-17 11:06:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:55,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703447121] [2024-07-17 11:06:55,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703447121] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:55,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:55,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:55,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609604260] [2024-07-17 11:06:55,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:55,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:55,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:55,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:55,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:55,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:55,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-07-17 11:06:55,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-07-17 11:06:55,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:06:55,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash -899231976, now seen corresponding path program 2 times [2024-07-17 11:06:55,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:55,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070952093] [2024-07-17 11:06:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:55,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:55,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070952093] [2024-07-17 11:06:55,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070952093] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:55,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:55,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:55,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233348754] [2024-07-17 11:06:55,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:55,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:55,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:55,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:55,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:55,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:55,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:55,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-07-17 11:06:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:55,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-17 11:06:56,039 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:06:56,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:56,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1971523500, now seen corresponding path program 3 times [2024-07-17 11:06:56,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:56,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110181464] [2024-07-17 11:06:56,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:56,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:56,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110181464] [2024-07-17 11:06:56,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110181464] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:56,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:56,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:06:56,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447634152] [2024-07-17 11:06:56,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:56,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 11:06:56,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:56,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 11:06:56,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-17 11:06:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:56,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:56,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-07-17 11:06:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:56,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-07-17 11:06:56,299 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:06:56,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash 675858511, now seen corresponding path program 1 times [2024-07-17 11:06:56,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:56,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448673608] [2024-07-17 11:06:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:56,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:56,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448673608] [2024-07-17 11:06:56,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448673608] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:56,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:56,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-07-17 11:06:56,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000378315] [2024-07-17 11:06:56,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:56,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-07-17 11:06:56,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:56,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-07-17 11:06:56,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2024-07-17 11:06:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:56,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:56,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 17 states have internal predecessors, (64), 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) [2024-07-17 11:06:56,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:56,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-17 11:06:56,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:06:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-17 11:06:57,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-07-17 11:06:57,648 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:06:57,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:06:57,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1649836947, now seen corresponding path program 2 times [2024-07-17 11:06:57,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:06:57,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263051173] [2024-07-17 11:06:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:06:57,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:06:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:06:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:06:57,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:06:57,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263051173] [2024-07-17 11:06:57,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263051173] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:06:57,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:06:57,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:06:57,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520448551] [2024-07-17 11:06:57,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:06:57,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:06:57,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:06:57,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:06:57,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:06:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:06:57,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:06:57,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-07-17 11:06:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:06:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:06:57,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-17 11:06:57,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:07:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-17 11:07:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-07-17 11:07:00,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-17 11:07:00,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:07:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 623004401, now seen corresponding path program 3 times [2024-07-17 11:07:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:07:00,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177646587] [2024-07-17 11:07:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:07:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:07:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:07:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:07:00,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:07:00,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177646587] [2024-07-17 11:07:00,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177646587] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:07:00,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:07:00,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:07:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42534545] [2024-07-17 11:07:00,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:07:00,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:07:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:07:00,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:07:00,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:07:00,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:00,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:07:00,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:00,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:07:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-17 11:07:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-07-17 11:07:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-07-17 11:07:07,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-07-17 11:07:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-07-17 11:07:07,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-07-17 11:07:07,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-07-17 11:07:07,620 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1] [2024-07-17 11:07:07,621 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-07-17 11:07:07,625 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:07:07,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 11:07:07,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 11:07:07,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 11:07:07,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-07-17 11:07:07,648 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 11:07:07,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork2 ======== [2024-07-17 11:07:07,649 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;@a279a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 11:07:07,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 11:07:07,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:07:07,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:07:07,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1997533904, now seen corresponding path program 1 times [2024-07-17 11:07:07,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:07:07,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782058194] [2024-07-17 11:07:07,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:07:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:07:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:07:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:07:07,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:07:07,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782058194] [2024-07-17 11:07:07,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782058194] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:07:07,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:07:07,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 11:07:07,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719274357] [2024-07-17 11:07:07,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:07:07,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:07:07,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:07:07,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:07:07,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:07:07,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:07:07,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 11:07:07,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-07-17 11:07:07,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:07:07,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:07:07,825 INFO L85 PathProgramCache]: Analyzing trace with hash -4743227, now seen corresponding path program 1 times [2024-07-17 11:07:07,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:07:07,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550348090] [2024-07-17 11:07:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:07:07,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:07:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:07:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:07:07,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:07:07,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550348090] [2024-07-17 11:07:07,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550348090] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:07:07,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:07:07,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:07:07,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356567607] [2024-07-17 11:07:07,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:07:07,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:07:07,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:07:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:07:07,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:07:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:07:07,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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) [2024-07-17 11:07:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-07-17 11:07:07,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:07:07,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:07:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash 524230597, now seen corresponding path program 2 times [2024-07-17 11:07:07,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:07:07,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185996285] [2024-07-17 11:07:07,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:07:07,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:07:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:07:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:07:07,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:07:07,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185996285] [2024-07-17 11:07:07,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185996285] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:07:07,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:07:07,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:07:07,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037070494] [2024-07-17 11:07:07,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:07:07,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 11:07:07,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:07:07,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 11:07:07,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 11:07:07,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:07:07,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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) [2024-07-17 11:07:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:07,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-07-17 11:07:07,982 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:07:07,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:07:07,982 INFO L85 PathProgramCache]: Analyzing trace with hash 524353729, now seen corresponding path program 1 times [2024-07-17 11:07:07,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:07:07,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956660653] [2024-07-17 11:07:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:07:07,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:07:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:07:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:07:08,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:07:08,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956660653] [2024-07-17 11:07:08,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956660653] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:07:08,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:07:08,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-17 11:07:08,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762856100] [2024-07-17 11:07:08,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:07:08,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 11:07:08,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:07:08,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 11:07:08,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-17 11:07:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:08,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:07:08,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 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) [2024-07-17 11:07:08,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:07:08,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-07-17 11:07:08,100 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 11:07:08,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 11:07:08,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1529745081, now seen corresponding path program 1 times [2024-07-17 11:07:08,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 11:07:08,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940301473] [2024-07-17 11:07:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 11:07:08,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 11:07:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 11:07:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 11:07:08,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 11:07:08,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940301473] [2024-07-17 11:07:08,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940301473] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 11:07:08,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 11:07:08,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 11:07:08,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635120360] [2024-07-17 11:07:08,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 11:07:08,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-17 11:07:08,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 11:07:08,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-17 11:07:08,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-17 11:07:08,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:08,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 11:07:08,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-07-17 11:07:08,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:08,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-17 11:07:08,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 11:07:11,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:11,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:11,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 11:07:11,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-17 11:07:11,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-17 11:07:11,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-17 11:07:11,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 11:07:11,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 11:07:11,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 11:07:11,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-07-17 11:07:11,098 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-07-17 11:07:11,098 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE (3/3) [2024-07-17 11:07:11,099 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 11:07:11,099 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 11:07:11,101 INFO L507 ceAbstractionStarter]: Automizer considered 6 witness invariants [2024-07-17 11:07:11,102 INFO L508 ceAbstractionStarter]: WitnessConsidered=6 [2024-07-17 11:07:11,102 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:07:11 BasicIcfg [2024-07-17 11:07:11,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 11:07:11,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 11:07:11,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 11:07:11,103 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 11:07:11,103 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:06:46" (4/5) ... [2024-07-17 11:07:11,105 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 11:07:11,107 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-07-17 11:07:11,107 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-07-17 11:07:11,107 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-07-17 11:07:11,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-07-17 11:07:11,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-07-17 11:07:11,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-07-17 11:07:11,111 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-07-17 11:07:11,112 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-07-17 11:07:11,112 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-07-17 11:07:11,112 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-07-17 11:07:11,149 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/weaver/parallel-barrier.wvr.c-witness.graphml [2024-07-17 11:07:11,149 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/weaver/parallel-barrier.wvr.c-witness.yml [2024-07-17 11:07:11,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 11:07:11,150 INFO L158 Benchmark]: Toolchain (without parser) took 25274.69ms. Allocated memory was 159.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 103.7MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 804.5MB. Max. memory is 16.1GB. [2024-07-17 11:07:11,150 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 11:07:11,150 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 11:07:11,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.47ms. Allocated memory is still 159.4MB. Free memory was 103.4MB in the beginning and 130.1MB in the end (delta: -26.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-07-17 11:07:11,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.61ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:07:11,151 INFO L158 Benchmark]: Boogie Preprocessor took 21.04ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 126.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:07:11,151 INFO L158 Benchmark]: RCFGBuilder took 565.06ms. Allocated memory is still 159.4MB. Free memory was 126.0MB in the beginning and 71.5MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-07-17 11:07:11,151 INFO L158 Benchmark]: TraceAbstraction took 24231.15ms. Allocated memory was 159.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 70.8MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-07-17 11:07:11,151 INFO L158 Benchmark]: Witness Printer took 46.55ms. Allocated memory is still 7.4GB. Free memory was 6.6GB in the beginning and 6.6GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 11:07:11,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.47ms. Allocated memory is still 159.4MB. Free memory was 103.4MB in the beginning and 130.1MB in the end (delta: -26.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.61ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.04ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 126.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.06ms. Allocated memory is still 159.4MB. Free memory was 126.0MB in the beginning and 71.5MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24231.15ms. Allocated memory was 159.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 70.8MB in the beginning and 6.6GB in the end (delta: -6.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 46.55ms. Allocated memory is still 7.4GB. Free memory was 6.6GB in the beginning and 6.6GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 419527, independent: 402144, independent conditional: 396130, independent unconditional: 6014, dependent: 17383, dependent conditional: 17305, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403667, independent: 402144, independent conditional: 396130, independent unconditional: 6014, dependent: 1523, dependent conditional: 1445, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 403667, independent: 402144, independent conditional: 396130, independent unconditional: 6014, dependent: 1523, dependent conditional: 1445, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 416738, independent: 402144, independent conditional: 9173, independent unconditional: 392971, dependent: 14594, dependent conditional: 3898, dependent unconditional: 10696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 416738, independent: 402144, independent conditional: 9173, independent unconditional: 392971, dependent: 14594, dependent conditional: 438, dependent unconditional: 14156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 416738, independent: 402144, independent conditional: 9173, independent unconditional: 392971, dependent: 14594, dependent conditional: 438, dependent unconditional: 14156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6160, independent: 6043, independent conditional: 29, independent unconditional: 6014, dependent: 117, dependent conditional: 31, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6160, independent: 6005, independent conditional: 0, independent unconditional: 6005, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 155, independent: 38, independent conditional: 29, independent unconditional: 9, dependent: 117, dependent conditional: 31, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, independent: 38, independent conditional: 29, independent unconditional: 9, dependent: 117, dependent conditional: 31, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 500, independent: 69, independent conditional: 33, independent unconditional: 36, dependent: 431, dependent conditional: 226, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 416738, independent: 396101, independent conditional: 9144, independent unconditional: 386957, dependent: 14477, dependent conditional: 407, dependent unconditional: 14070, unknown: 6160, unknown conditional: 60, unknown unconditional: 6100] , Statistics on independence cache: Total cache size (in pairs): 6160, Positive cache size: 6043, Positive conditional cache size: 29, Positive unconditional cache size: 6014, Negative cache size: 117, Negative conditional cache size: 31, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3460, Maximal queried relation: 6, Independence queries for same thread: 15860 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.4s, Number of persistent set computation: 52985, Number of trivial persistent sets: 38400, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6092, independent: 6014, independent conditional: 0, independent unconditional: 6014, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 419527, independent: 402144, independent conditional: 396130, independent unconditional: 6014, dependent: 17383, dependent conditional: 17305, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403667, independent: 402144, independent conditional: 396130, independent unconditional: 6014, dependent: 1523, dependent conditional: 1445, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 403667, independent: 402144, independent conditional: 396130, independent unconditional: 6014, dependent: 1523, dependent conditional: 1445, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 416738, independent: 402144, independent conditional: 9173, independent unconditional: 392971, dependent: 14594, dependent conditional: 3898, dependent unconditional: 10696, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 416738, independent: 402144, independent conditional: 9173, independent unconditional: 392971, dependent: 14594, dependent conditional: 438, dependent unconditional: 14156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 416738, independent: 402144, independent conditional: 9173, independent unconditional: 392971, dependent: 14594, dependent conditional: 438, dependent unconditional: 14156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6160, independent: 6043, independent conditional: 29, independent unconditional: 6014, dependent: 117, dependent conditional: 31, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6160, independent: 6005, independent conditional: 0, independent unconditional: 6005, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 155, independent: 38, independent conditional: 29, independent unconditional: 9, dependent: 117, dependent conditional: 31, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, independent: 38, independent conditional: 29, independent unconditional: 9, dependent: 117, dependent conditional: 31, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 500, independent: 69, independent conditional: 33, independent unconditional: 36, dependent: 431, dependent conditional: 226, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 416738, independent: 396101, independent conditional: 9144, independent unconditional: 386957, dependent: 14477, dependent conditional: 407, dependent unconditional: 14070, unknown: 6160, unknown conditional: 60, unknown unconditional: 6100] , Statistics on independence cache: Total cache size (in pairs): 6160, Positive cache size: 6043, Positive conditional cache size: 29, Positive unconditional cache size: 6014, Negative cache size: 117, Negative conditional cache size: 31, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3460, Maximal queried relation: 6, Independence queries for same thread: 15860 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 594889, independent: 555947, independent conditional: 549656, independent unconditional: 6291, dependent: 38942, dependent conditional: 38864, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 556716, independent: 555947, independent conditional: 549656, independent unconditional: 6291, dependent: 769, dependent conditional: 691, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 556716, independent: 555947, independent conditional: 549656, independent unconditional: 6291, dependent: 769, dependent conditional: 691, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 581334, independent: 555947, independent conditional: 11023, independent unconditional: 544924, dependent: 25387, dependent conditional: 13595, dependent unconditional: 11792, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 581334, independent: 555947, independent conditional: 11023, independent unconditional: 544924, dependent: 25387, dependent conditional: 2751, dependent unconditional: 22636, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 581334, independent: 555947, independent conditional: 11023, independent unconditional: 544924, dependent: 25387, dependent conditional: 2751, dependent unconditional: 22636, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6495, independent: 6350, independent conditional: 59, independent unconditional: 6291, dependent: 145, dependent conditional: 59, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6495, independent: 6282, independent conditional: 0, independent unconditional: 6282, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 213, independent: 68, independent conditional: 59, independent unconditional: 9, dependent: 145, dependent conditional: 59, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 213, independent: 68, independent conditional: 59, independent unconditional: 9, dependent: 145, dependent conditional: 59, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, independent: 86, independent conditional: 62, independent unconditional: 23, dependent: 273, dependent conditional: 128, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 581334, independent: 549597, independent conditional: 10964, independent unconditional: 538633, dependent: 25242, dependent conditional: 2692, dependent unconditional: 22550, unknown: 6495, unknown conditional: 118, unknown unconditional: 6377] , Statistics on independence cache: Total cache size (in pairs): 6495, Positive cache size: 6350, Positive conditional cache size: 59, Positive unconditional cache size: 6291, Negative cache size: 145, Negative conditional cache size: 59, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10844, Maximal queried relation: 7, Independence queries for same thread: 38173 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 3.1s, Number of persistent set computation: 90522, Number of trivial persistent sets: 89850, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6369, independent: 6291, independent conditional: 0, independent unconditional: 6291, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 594889, independent: 555947, independent conditional: 549656, independent unconditional: 6291, dependent: 38942, dependent conditional: 38864, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 556716, independent: 555947, independent conditional: 549656, independent unconditional: 6291, dependent: 769, dependent conditional: 691, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 556716, independent: 555947, independent conditional: 549656, independent unconditional: 6291, dependent: 769, dependent conditional: 691, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 581334, independent: 555947, independent conditional: 11023, independent unconditional: 544924, dependent: 25387, dependent conditional: 13595, dependent unconditional: 11792, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 581334, independent: 555947, independent conditional: 11023, independent unconditional: 544924, dependent: 25387, dependent conditional: 2751, dependent unconditional: 22636, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 581334, independent: 555947, independent conditional: 11023, independent unconditional: 544924, dependent: 25387, dependent conditional: 2751, dependent unconditional: 22636, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6495, independent: 6350, independent conditional: 59, independent unconditional: 6291, dependent: 145, dependent conditional: 59, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6495, independent: 6282, independent conditional: 0, independent unconditional: 6282, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 213, independent: 68, independent conditional: 59, independent unconditional: 9, dependent: 145, dependent conditional: 59, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 213, independent: 68, independent conditional: 59, independent unconditional: 9, dependent: 145, dependent conditional: 59, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, independent: 86, independent conditional: 62, independent unconditional: 23, dependent: 273, dependent conditional: 128, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 581334, independent: 549597, independent conditional: 10964, independent unconditional: 538633, dependent: 25242, dependent conditional: 2692, dependent unconditional: 22550, unknown: 6495, unknown conditional: 118, unknown unconditional: 6377] , Statistics on independence cache: Total cache size (in pairs): 6495, Positive cache size: 6350, Positive conditional cache size: 59, Positive unconditional cache size: 6291, Negative cache size: 145, Negative conditional cache size: 59, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10844, Maximal queried relation: 7, Independence queries for same thread: 38173 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 237506, independent: 228918, independent conditional: 223625, independent unconditional: 5293, dependent: 8588, dependent conditional: 8510, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229879, independent: 228918, independent conditional: 223625, independent unconditional: 5293, dependent: 961, dependent conditional: 883, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 229879, independent: 228918, independent conditional: 223625, independent unconditional: 5293, dependent: 961, dependent conditional: 883, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238806, independent: 228918, independent conditional: 6586, independent unconditional: 222332, dependent: 9888, dependent conditional: 2341, dependent unconditional: 7547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 238806, independent: 228918, independent conditional: 6586, independent unconditional: 222332, dependent: 9888, dependent conditional: 277, dependent unconditional: 9611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 238806, independent: 228918, independent conditional: 6586, independent unconditional: 222332, dependent: 9888, dependent conditional: 277, dependent unconditional: 9611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5428, independent: 5319, independent conditional: 26, independent unconditional: 5293, dependent: 109, dependent conditional: 23, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5428, independent: 5284, independent conditional: 0, independent unconditional: 5284, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 144, independent: 35, independent conditional: 26, independent unconditional: 9, dependent: 109, dependent conditional: 23, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 35, independent conditional: 26, independent unconditional: 9, dependent: 109, dependent conditional: 23, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, independent: 39, independent conditional: 23, independent unconditional: 16, dependent: 180, dependent conditional: 37, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 238806, independent: 223599, independent conditional: 6560, independent unconditional: 217039, dependent: 9779, dependent conditional: 254, dependent unconditional: 9525, unknown: 5428, unknown conditional: 49, unknown unconditional: 5379] , Statistics on independence cache: Total cache size (in pairs): 5428, Positive cache size: 5319, Positive conditional cache size: 26, Positive unconditional cache size: 5293, Negative cache size: 109, Negative conditional cache size: 23, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2064, Maximal queried relation: 5, Independence queries for same thread: 7627 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 26675, Number of trivial persistent sets: 19811, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5371, independent: 5293, independent conditional: 0, independent unconditional: 5293, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 237506, independent: 228918, independent conditional: 223625, independent unconditional: 5293, dependent: 8588, dependent conditional: 8510, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229879, independent: 228918, independent conditional: 223625, independent unconditional: 5293, dependent: 961, dependent conditional: 883, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 229879, independent: 228918, independent conditional: 223625, independent unconditional: 5293, dependent: 961, dependent conditional: 883, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238806, independent: 228918, independent conditional: 6586, independent unconditional: 222332, dependent: 9888, dependent conditional: 2341, dependent unconditional: 7547, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 238806, independent: 228918, independent conditional: 6586, independent unconditional: 222332, dependent: 9888, dependent conditional: 277, dependent unconditional: 9611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 238806, independent: 228918, independent conditional: 6586, independent unconditional: 222332, dependent: 9888, dependent conditional: 277, dependent unconditional: 9611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5428, independent: 5319, independent conditional: 26, independent unconditional: 5293, dependent: 109, dependent conditional: 23, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5428, independent: 5284, independent conditional: 0, independent unconditional: 5284, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 144, independent: 35, independent conditional: 26, independent unconditional: 9, dependent: 109, dependent conditional: 23, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 35, independent conditional: 26, independent unconditional: 9, dependent: 109, dependent conditional: 23, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, independent: 39, independent conditional: 23, independent unconditional: 16, dependent: 180, dependent conditional: 37, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 238806, independent: 223599, independent conditional: 6560, independent unconditional: 217039, dependent: 9779, dependent conditional: 254, dependent unconditional: 9525, unknown: 5428, unknown conditional: 49, unknown unconditional: 5379] , Statistics on independence cache: Total cache size (in pairs): 5428, Positive cache size: 5319, Positive conditional cache size: 26, Positive unconditional cache size: 5293, Negative cache size: 109, Negative conditional cache size: 23, Negative unconditional cache size: 86, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2064, Maximal queried relation: 5, Independence queries for same thread: 7627 - PositiveResult [Line: 165]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 166]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 193]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 194]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 198]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 102]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 103]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork5 with 1 thread instances CFG has 13 procedures, 150 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 7.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 150 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 11.1s, 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: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 13 procedures, 150 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.2s, 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: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 11:07:11,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-07-17 11:07:11,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-07-17 11:07:11,583 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 [2024-07-17 11:07:11,786 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