./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/read_write_lock-1-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/pthread-atomic/read_write_lock-1-pthread.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/read_write_lock-1-pthread.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 15:53:17,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 15:53:17,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 15:53:17,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 15:53:17,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 15:53:17,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 15:53:17,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 15:53:17,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 15:53:17,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 15:53:17,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 15:53:17,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 15:53:17,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 15:53:17,142 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 15:53:17,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 15:53:17,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 15:53:17,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 15:53:17,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 15:53:17,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 15:53:17,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 15:53:17,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 15:53:17,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 15:53:17,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 15:53:17,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 15:53:17,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 15:53:17,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 15:53:17,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 15:53:17,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 15:53:17,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 15:53:17,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 15:53:17,151 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 15:53:17,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 15:53:17,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 15:53:17,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 15:53:17,151 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 15:53:17,151 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 15:53:17,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 15:53:17,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 15:53:17,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 15:53:17,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 15:53:17,369 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 15:53:17,370 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 15:53:17,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/read_write_lock-1-pthread.yml/witness.yml [2024-09-23 15:53:17,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 15:53:17,456 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 15:53:17,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2024-09-23 15:53:18,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 15:53:18,882 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 15:53:18,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2024-09-23 15:53:18,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/747e91c45/50d9d096a11c4137a9245180c20c1f5f/FLAG6796fdf27 [2024-09-23 15:53:19,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/747e91c45/50d9d096a11c4137a9245180c20c1f5f [2024-09-23 15:53:19,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 15:53:19,257 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 15:53:19,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 15:53:19,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 15:53:19,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 15:53:19,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:53:17" (1/2) ... [2024-09-23 15:53:19,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61799c6c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:53:19, skipping insertion in model container [2024-09-23 15:53:19,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:53:17" (1/2) ... [2024-09-23 15:53:19,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47f6c64b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 03:53:19, skipping insertion in model container [2024-09-23 15:53:19,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 03:53:19" (2/2) ... [2024-09-23 15:53:19,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61799c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19, skipping insertion in model container [2024-09-23 15:53:19,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 03:53:19" (2/2) ... [2024-09-23 15:53:19,290 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 15:53:19,293 INFO L1541 ArrayList]: Location invariant before [L708-L708] (x == 0 || x == 3) && (y == 0 || y == 3) [2024-09-23 15:53:19,293 INFO L1541 ArrayList]: Location invariant before [L705-L705] (x == 0 || x == 3) && (y == 0 || y == 3) [2024-09-23 15:53:19,294 INFO L1541 ArrayList]: Location invariant before [L699-L699] (x == 0 || x == 3) && (y == 0 || y == 3) [2024-09-23 15:53:19,294 INFO L1541 ArrayList]: Location invariant before [L702-L702] (x == 0 || x == 3) && (y == 0 || y == 3) [2024-09-23 15:53:19,294 INFO L1541 ArrayList]: Location invariant before [L691-L691] x == 0 || x == 3 [2024-09-23 15:53:19,294 INFO L1541 ArrayList]: Location invariant before [L698-L698] x == 0 || x == 3 [2024-09-23 15:53:19,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 15:53:19,541 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i[30919,30932] [2024-09-23 15:53:19,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 15:53:19,568 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 15:53:19,680 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i[30919,30932] [2024-09-23 15:53:19,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 15:53:19,708 INFO L204 MainTranslator]: Completed translation [2024-09-23 15:53:19,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19 WrapperNode [2024-09-23 15:53:19,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 15:53:19,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 15:53:19,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 15:53:19,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 15:53:19,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,746 INFO L138 Inliner]: procedures = 165, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2024-09-23 15:53:19,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 15:53:19,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 15:53:19,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 15:53:19,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 15:53:19,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 15:53:19,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 15:53:19,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 15:53:19,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 15:53:19,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (1/1) ... [2024-09-23 15:53:19,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 15:53:19,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:53:19,824 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) [2024-09-23 15:53:19,828 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 [2024-09-23 15:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-09-23 15:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-09-23 15:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 15:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 15:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-09-23 15:53:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-09-23 15:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-09-23 15:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 15:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 15:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 15:53:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 15:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-09-23 15:53:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-09-23 15:53:19,877 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 15:53:20,009 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 15:53:20,011 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 15:53:20,181 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 15:53:20,182 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 15:53:20,305 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 15:53:20,305 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 15:53:20,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 03:53:20 BoogieIcfgContainer [2024-09-23 15:53:20,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 15:53:20,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 15:53:20,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 15:53:20,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 15:53:20,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 03:53:17" (1/4) ... [2024-09-23 15:53:20,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ce4c39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 03:53:20, skipping insertion in model container [2024-09-23 15:53:20,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 03:53:19" (2/4) ... [2024-09-23 15:53:20,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ce4c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 03:53:20, skipping insertion in model container [2024-09-23 15:53:20,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 03:53:19" (3/4) ... [2024-09-23 15:53:20,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ce4c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 03:53:20, skipping insertion in model container [2024-09-23 15:53:20,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 03:53:20" (4/4) ... [2024-09-23 15:53:20,316 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1-pthread.i [2024-09-23 15:53:20,332 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 15:53:20,333 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-09-23 15:53:20,333 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 15:53:20,395 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-23 15:53:20,437 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:20,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:53:20,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:53:20,439 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) [2024-09-23 15:53:20,441 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 [2024-09-23 15:53:20,468 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:53:20,479 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork0 ======== [2024-09-23 15:53:20,485 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@427f2456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:20,485 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-23 15:53:20,642 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:20,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash -187357399, now seen corresponding path program 1 times [2024-09-23 15:53:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:20,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715313156] [2024-09-23 15:53:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:20,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:20,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715313156] [2024-09-23 15:53:20,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715313156] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:20,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:20,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:53:20,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625837308] [2024-09-23 15:53:20,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:20,881 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:20,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:20,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:20,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:20,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:20,907 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:20,908 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-09-23 15:53:20,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:20,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:20,960 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 15:53:20,960 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:20,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:20,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1667035115, now seen corresponding path program 1 times [2024-09-23 15:53:20,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:20,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808970300] [2024-09-23 15:53:20,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:20,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:21,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:21,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808970300] [2024-09-23 15:53:21,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808970300] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:21,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48007634] [2024-09-23 15:53:21,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:21,125 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:21,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:21,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:21,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,127 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:21,127 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:21,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,342 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 15:53:21,342 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:21,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:21,343 INFO L85 PathProgramCache]: Analyzing trace with hash -91593343, now seen corresponding path program 1 times [2024-09-23 15:53:21,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:21,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375519795] [2024-09-23 15:53:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:21,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:21,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:21,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375519795] [2024-09-23 15:53:21,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375519795] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:21,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:21,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 15:53:21,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119784962] [2024-09-23 15:53:21,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:21,389 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:21,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:21,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,392 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:21,392 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-09-23 15:53:21,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,494 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 15:53:21,494 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:21,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:21,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2121847837, now seen corresponding path program 1 times [2024-09-23 15:53:21,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:21,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840531602] [2024-09-23 15:53:21,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:21,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:21,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:21,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840531602] [2024-09-23 15:53:21,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840531602] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:21,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:21,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136952311] [2024-09-23 15:53:21,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:21,575 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 15:53:21,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:21,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 15:53:21,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-23 15:53:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,576 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:21,577 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-09-23 15:53:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:21,717 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-23 15:53:21,717 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr5ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:21,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1360029529, now seen corresponding path program 1 times [2024-09-23 15:53:21,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:21,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285724084] [2024-09-23 15:53:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:21,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:21,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:21,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285724084] [2024-09-23 15:53:21,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285724084] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:21,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:21,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 15:53:21,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847223996] [2024-09-23 15:53:21,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:21,772 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 15:53:21,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:21,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 15:53:21,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 15:53:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,773 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:21,773 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:21,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:21,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:21,962 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-23 15:53:21,962 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr5ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:21,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:21,963 INFO L85 PathProgramCache]: Analyzing trace with hash 581336441, now seen corresponding path program 1 times [2024-09-23 15:53:21,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:21,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93801927] [2024-09-23 15:53:21,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:21,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:22,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:22,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93801927] [2024-09-23 15:53:22,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93801927] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:22,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:22,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:22,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885766410] [2024-09-23 15:53:22,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:22,022 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:22,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:22,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:22,042 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:22,043 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2024-09-23 15:53:22,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:22,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:22,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,204 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-23 15:53:22,204 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:22,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:22,204 INFO L85 PathProgramCache]: Analyzing trace with hash -48331735, now seen corresponding path program 1 times [2024-09-23 15:53:22,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:22,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983516964] [2024-09-23 15:53:22,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:22,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:22,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:22,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983516964] [2024-09-23 15:53:22,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983516964] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:22,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:22,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:22,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513216712] [2024-09-23 15:53:22,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:22,284 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 15:53:22,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:22,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 15:53:22,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-23 15:53:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:22,285 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:22,285 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-09-23 15:53:22,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:22,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:22,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:22,490 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-23 15:53:22,491 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr5ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:22,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:22,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1100094628, now seen corresponding path program 1 times [2024-09-23 15:53:22,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:22,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623800519] [2024-09-23 15:53:22,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:22,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:22,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:22,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623800519] [2024-09-23 15:53:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623800519] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:22,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:22,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 15:53:22,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960421649] [2024-09-23 15:53:22,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:22,553 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 15:53:22,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:22,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 15:53:22,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 15:53:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:22,554 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:22,554 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:22,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:22,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:22,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:22,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:22,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:23,028 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-23 15:53:23,028 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-23 15:53:23,028 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-23 15:53:23,029 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 6 remaining) [2024-09-23 15:53:23,029 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 6 remaining) [2024-09-23 15:53:23,029 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-09-23 15:53:23,029 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-23 15:53:23,035 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-23 15:53:23,039 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2024-09-23 15:53:23,042 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:23,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:53:23,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:53:23,062 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) [2024-09-23 15:53:23,065 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 [2024-09-23 15:53:23,070 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:53:23,070 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork3 ======== [2024-09-23 15:53:23,071 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@427f2456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:23,072 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-23 15:53:23,145 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:23,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:23,146 INFO L85 PathProgramCache]: Analyzing trace with hash 471091502, now seen corresponding path program 1 times [2024-09-23 15:53:23,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:23,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215805550] [2024-09-23 15:53:23,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:23,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:23,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:23,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215805550] [2024-09-23 15:53:23,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215805550] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:23,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:23,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:53:23,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800565882] [2024-09-23 15:53:23,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:23,182 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:23,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:23,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:23,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,183 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:23,183 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-09-23 15:53:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,226 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-23 15:53:23,226 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:23,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash 386936858, now seen corresponding path program 1 times [2024-09-23 15:53:23,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:23,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982990114] [2024-09-23 15:53:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:23,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982990114] [2024-09-23 15:53:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982990114] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:23,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014538762] [2024-09-23 15:53:23,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:23,286 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:23,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:23,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,287 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:23,287 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-09-23 15:53:23,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,415 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-23 15:53:23,415 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:23,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:23,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1584293525, now seen corresponding path program 1 times [2024-09-23 15:53:23,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:23,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783939849] [2024-09-23 15:53:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:23,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:23,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:23,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783939849] [2024-09-23 15:53:23,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783939849] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:23,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:23,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:53:23,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054436133] [2024-09-23 15:53:23,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:23,443 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:23,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:23,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:23,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,444 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:23,444 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,526 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-23 15:53:23,526 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:23,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:23,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1010309751, now seen corresponding path program 1 times [2024-09-23 15:53:23,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:23,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998590698] [2024-09-23 15:53:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:23,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:23,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:23,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998590698] [2024-09-23 15:53:23,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998590698] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:23,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:23,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 15:53:23,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386528562] [2024-09-23 15:53:23,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:23,604 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 15:53:23,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:23,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 15:53:23,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-23 15:53:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,605 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:23,605 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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) [2024-09-23 15:53:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:23,736 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-23 15:53:23,736 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:23,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash -74893265, now seen corresponding path program 1 times [2024-09-23 15:53:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380873220] [2024-09-23 15:53:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:23,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:23,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:23,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380873220] [2024-09-23 15:53:23,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380873220] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:23,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:23,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 15:53:23,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718939840] [2024-09-23 15:53:23,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:23,795 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 15:53:23,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:23,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 15:53:23,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 15:53:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:23,796 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:23,796 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-09-23 15:53:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:24,012 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-23 15:53:24,012 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:24,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:24,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1503175837, now seen corresponding path program 1 times [2024-09-23 15:53:24,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:24,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119819749] [2024-09-23 15:53:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:24,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:24,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119819749] [2024-09-23 15:53:24,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119819749] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:24,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:24,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:24,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153958001] [2024-09-23 15:53:24,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:24,081 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 15:53:24,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:24,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 15:53:24,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-23 15:53:24,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,082 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:24,082 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:24,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:24,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:24,208 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-23 15:53:24,208 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr5ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:24,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:24,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1782629906, now seen corresponding path program 1 times [2024-09-23 15:53:24,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:24,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074116367] [2024-09-23 15:53:24,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:24,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:24,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:24,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074116367] [2024-09-23 15:53:24,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074116367] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:24,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:24,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 15:53:24,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373520555] [2024-09-23 15:53:24,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:24,259 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 15:53:24,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:24,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 15:53:24,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 15:53:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,260 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:24,260 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-09-23 15:53:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 15:53:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:24,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:24,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:24,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:24,654 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-23 15:53:24,654 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr5ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:24,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:24,655 INFO L85 PathProgramCache]: Analyzing trace with hash 325409502, now seen corresponding path program 1 times [2024-09-23 15:53:24,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:24,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526159693] [2024-09-23 15:53:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:24,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:24,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:24,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526159693] [2024-09-23 15:53:24,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526159693] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:24,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:24,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 15:53:24,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77388798] [2024-09-23 15:53:24,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:24,748 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 15:53:24,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:24,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 15:53:24,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-23 15:53:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,749 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:24,749 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:24,905 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-23 15:53:24,905 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr5ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 15:53:24,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:24,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1021884869, now seen corresponding path program 1 times [2024-09-23 15:53:24,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:24,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571914327] [2024-09-23 15:53:24,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:24,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:24,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:24,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571914327] [2024-09-23 15:53:24,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571914327] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:24,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:24,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 15:53:24,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485087905] [2024-09-23 15:53:24,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:24,961 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 15:53:24,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:24,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 15:53:24,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 15:53:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:24,964 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:24,964 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 15:53:25,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 15:53:25,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 15:53:25,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-23 15:53:25,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-23 15:53:25,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-23 15:53:25,327 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 6 remaining) [2024-09-23 15:53:25,328 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 6 remaining) [2024-09-23 15:53:25,329 INFO L785 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-09-23 15:53:25,329 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-23 15:53:25,331 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-23 15:53:25,331 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of1ForFork3 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/5) [2024-09-23 15:53:25,336 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:25,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:53:25,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:53:25,339 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) [2024-09-23 15:53:25,340 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 [2024-09-23 15:53:25,343 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:53:25,344 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 15:53:25,344 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@427f2456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:25,344 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 15:53:25,877 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-09-23 15:53:25,878 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-09-23 15:53:25,878 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-23 15:53:25,878 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-23 15:53:25,879 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-23 15:53:25,881 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (3/5) [2024-09-23 15:53:25,884 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:25,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:53:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:53:25,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 15:53:25,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-09-23 15:53:25,890 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:53:25,890 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writerThread1of1ForFork2 ======== [2024-09-23 15:53:25,890 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@427f2456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:25,890 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-23 15:53:25,925 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:25,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:25,925 INFO L85 PathProgramCache]: Analyzing trace with hash -833988729, now seen corresponding path program 1 times [2024-09-23 15:53:25,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:25,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635431652] [2024-09-23 15:53:25,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:25,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:25,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635431652] [2024-09-23 15:53:25,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635431652] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:25,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:25,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 15:53:25,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927137856] [2024-09-23 15:53:25,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:25,937 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:25,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:25,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:25,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:25,937 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:25,937 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-09-23 15:53:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:26,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:26,536 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-23 15:53:26,537 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:26,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:26,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1802235569, now seen corresponding path program 1 times [2024-09-23 15:53:26,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:26,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724495748] [2024-09-23 15:53:26,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:26,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:26,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:26,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724495748] [2024-09-23 15:53:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724495748] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:26,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:53:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587966013] [2024-09-23 15:53:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:26,569 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:26,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:26,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:26,569 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:26,569 INFO L475 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) [2024-09-23 15:53:26,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:26,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:26,783 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-23 15:53:26,783 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:26,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash 650138801, now seen corresponding path program 1 times [2024-09-23 15:53:26,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:26,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993941481] [2024-09-23 15:53:26,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:26,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:26,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:26,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993941481] [2024-09-23 15:53:26,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993941481] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:26,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:26,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 15:53:26,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878107243] [2024-09-23 15:53:26,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:26,855 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 15:53:26,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:26,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 15:53:26,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-23 15:53:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:26,857 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:26,857 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-09-23 15:53:26,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:26,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:26,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:27,178 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-23 15:53:27,178 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:27,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash 330174247, now seen corresponding path program 1 times [2024-09-23 15:53:27,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:27,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244398349] [2024-09-23 15:53:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:27,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244398349] [2024-09-23 15:53:27,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244398349] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:27,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:27,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 15:53:27,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657295946] [2024-09-23 15:53:27,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:27,220 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 15:53:27,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:27,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 15:53:27,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 15:53:27,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:27,221 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:27,221 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-09-23 15:53:27,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:27,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:27,798 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-23 15:53:27,798 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:27,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1908243349, now seen corresponding path program 1 times [2024-09-23 15:53:27,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:27,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145533754] [2024-09-23 15:53:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:27,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:27,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:27,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145533754] [2024-09-23 15:53:27,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145533754] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:27,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:27,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:53:27,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375944570] [2024-09-23 15:53:27,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:27,818 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:27,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:27,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:27,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:27,818 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:27,819 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:27,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:27,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:27,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:27,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 15:53:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 15:53:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:28,749 INFO L785 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-23 15:53:28,750 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-23 15:53:28,750 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-09-23 15:53:28,752 INFO L312 ceAbstractionStarter]: Result for error location writerThread1of1ForFork2 was SAFE (4/5) [2024-09-23 15:53:28,753 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 15:53:28,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 15:53:28,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 15:53:28,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-09-23 15:53:28,760 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 15:53:28,760 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writerThread1of1ForFork1 ======== [2024-09-23 15:53:28,760 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@427f2456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 15:53:28,761 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-23 15:53:28,817 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:28,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:28,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1114721954, now seen corresponding path program 1 times [2024-09-23 15:53:28,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:28,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759196153] [2024-09-23 15:53:28,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:28,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:28,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:28,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759196153] [2024-09-23 15:53:28,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759196153] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:28,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:28,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 15:53:28,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999723001] [2024-09-23 15:53:28,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:28,845 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:28,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:28,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:28,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:28,846 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:28,846 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 15:53:28,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:28,876 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-23 15:53:28,876 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-23 15:53:28,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 15:53:28,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2039490930, now seen corresponding path program 1 times [2024-09-23 15:53:28,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 15:53:28,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188416364] [2024-09-23 15:53:28,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 15:53:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 15:53:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 15:53:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 15:53:28,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 15:53:28,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188416364] [2024-09-23 15:53:28,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188416364] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 15:53:28,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 15:53:28,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 15:53:28,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794747050] [2024-09-23 15:53:28,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 15:53:28,920 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 15:53:28,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 15:53:28,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 15:53:28,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 15:53:28,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:28,921 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 15:53:28,921 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-09-23 15:53:28,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:28,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 15:53:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:29,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 15:53:29,419 INFO L785 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-23 15:53:29,419 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-23 15:53:29,420 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-23 15:53:29,420 INFO L312 ceAbstractionStarter]: Result for error location writerThread1of1ForFork1 was SAFE (5/5) [2024-09-23 15:53:29,421 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 15:53:29,421 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 15:53:29,428 INFO L469 ceAbstractionStarter]: Automizer considered 6 witness invariants [2024-09-23 15:53:29,428 INFO L470 ceAbstractionStarter]: WitnessConsidered=6 [2024-09-23 15:53:29,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 03:53:29 BasicIcfg [2024-09-23 15:53:29,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 15:53:29,430 INFO L158 Benchmark]: Toolchain (without parser) took 10173.13ms. Allocated memory was 195.0MB in the beginning and 526.4MB in the end (delta: 331.4MB). Free memory was 122.8MB in the beginning and 254.2MB in the end (delta: -131.3MB). Peak memory consumption was 212.0MB. Max. memory is 16.1GB. [2024-09-23 15:53:29,430 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:53:29,430 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 195.0MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 15:53:29,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.93ms. Allocated memory is still 195.0MB. Free memory was 122.7MB in the beginning and 159.1MB in the end (delta: -36.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-23 15:53:29,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.55ms. Allocated memory is still 195.0MB. Free memory was 159.1MB in the beginning and 156.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 15:53:29,431 INFO L158 Benchmark]: Boogie Preprocessor took 39.60ms. Allocated memory is still 195.0MB. Free memory was 156.9MB in the beginning and 154.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 15:53:29,431 INFO L158 Benchmark]: RCFGBuilder took 519.02ms. Allocated memory is still 195.0MB. Free memory was 154.9MB in the beginning and 123.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-23 15:53:29,431 INFO L158 Benchmark]: TraceAbstraction took 9121.62ms. Allocated memory was 195.0MB in the beginning and 526.4MB in the end (delta: 331.4MB). Free memory was 122.7MB in the beginning and 254.2MB in the end (delta: -131.5MB). Peak memory consumption was 212.9MB. Max. memory is 16.1GB. [2024-09-23 15:53:29,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 195.0MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.93ms. Allocated memory is still 195.0MB. Free memory was 122.7MB in the beginning and 159.1MB in the end (delta: -36.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.55ms. Allocated memory is still 195.0MB. Free memory was 159.1MB in the beginning and 156.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.60ms. Allocated memory is still 195.0MB. Free memory was 156.9MB in the beginning and 154.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.02ms. Allocated memory is still 195.0MB. Free memory was 154.9MB in the beginning and 123.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9121.62ms. Allocated memory was 195.0MB in the beginning and 526.4MB in the end (delta: 331.4MB). Free memory was 122.7MB in the beginning and 254.2MB in the end (delta: -131.5MB). Peak memory consumption was 212.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9154, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 379, dependent conditional: 318, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8851, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 76, dependent conditional: 15, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8851, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 76, dependent conditional: 15, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8991, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 216, dependent conditional: 155, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8991, independent: 8775, independent conditional: 27, independent unconditional: 8748, dependent: 216, dependent conditional: 90, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8991, independent: 8775, independent conditional: 27, independent unconditional: 8748, dependent: 216, dependent conditional: 90, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2966, independent: 2877, independent conditional: 8, independent unconditional: 2869, dependent: 89, dependent conditional: 26, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2966, independent: 2813, independent conditional: 0, independent unconditional: 2813, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 89, dependent conditional: 26, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 89, dependent conditional: 26, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327, independent: 154, independent conditional: 14, independent unconditional: 140, dependent: 172, dependent conditional: 36, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8991, independent: 5898, independent conditional: 19, independent unconditional: 5879, dependent: 127, dependent conditional: 64, dependent unconditional: 63, unknown: 2966, unknown conditional: 34, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2966, Positive cache size: 2877, Positive conditional cache size: 8, Positive unconditional cache size: 2869, Negative cache size: 89, Negative conditional cache size: 26, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5946, Maximal queried relation: 7, Independence queries for same thread: 303, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 472, Number of trivial persistent sets: 137, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2928, independent: 2867, independent conditional: 0, independent unconditional: 2867, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9154, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 379, dependent conditional: 318, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8851, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 76, dependent conditional: 15, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8851, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 76, dependent conditional: 15, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8991, independent: 8775, independent conditional: 5908, independent unconditional: 2867, dependent: 216, dependent conditional: 155, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8991, independent: 8775, independent conditional: 27, independent unconditional: 8748, dependent: 216, dependent conditional: 90, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8991, independent: 8775, independent conditional: 27, independent unconditional: 8748, dependent: 216, dependent conditional: 90, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2966, independent: 2877, independent conditional: 8, independent unconditional: 2869, dependent: 89, dependent conditional: 26, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2966, independent: 2813, independent conditional: 0, independent unconditional: 2813, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 89, dependent conditional: 26, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 89, dependent conditional: 26, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327, independent: 154, independent conditional: 14, independent unconditional: 140, dependent: 172, dependent conditional: 36, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8991, independent: 5898, independent conditional: 19, independent unconditional: 5879, dependent: 127, dependent conditional: 64, dependent unconditional: 63, unknown: 2966, unknown conditional: 34, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2966, Positive cache size: 2877, Positive conditional cache size: 8, Positive unconditional cache size: 2869, Negative cache size: 89, Negative conditional cache size: 26, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5946, Maximal queried relation: 7, Independence queries for same thread: 303 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15681, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 669, dependent conditional: 606, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15099, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 87, dependent conditional: 24, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15099, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 87, dependent conditional: 24, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15323, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 311, dependent conditional: 248, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15323, independent: 15012, independent conditional: 34, independent unconditional: 14978, dependent: 311, dependent conditional: 129, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15323, independent: 15012, independent conditional: 34, independent unconditional: 14978, dependent: 311, dependent conditional: 129, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3120, independent: 3021, independent conditional: 8, independent unconditional: 3013, dependent: 99, dependent conditional: 34, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3120, independent: 2957, independent conditional: 0, independent unconditional: 2957, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 163, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 99, dependent conditional: 34, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 163, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 99, dependent conditional: 34, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 202, independent: 95, independent conditional: 13, independent unconditional: 82, dependent: 108, dependent conditional: 33, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15323, independent: 11991, independent conditional: 26, independent unconditional: 11965, dependent: 212, dependent conditional: 95, dependent unconditional: 117, unknown: 3120, unknown conditional: 42, unknown unconditional: 3078] , Statistics on independence cache: Total cache size (in pairs): 3120, Positive cache size: 3021, Positive conditional cache size: 8, Positive unconditional cache size: 3013, Negative cache size: 99, Negative conditional cache size: 34, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12086, Maximal queried relation: 8, Independence queries for same thread: 582, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 1015, Number of trivial persistent sets: 393, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3074, independent: 3011, independent conditional: 0, independent unconditional: 3011, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15681, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 669, dependent conditional: 606, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15099, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 87, dependent conditional: 24, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15099, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 87, dependent conditional: 24, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15323, independent: 15012, independent conditional: 12001, independent unconditional: 3011, dependent: 311, dependent conditional: 248, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15323, independent: 15012, independent conditional: 34, independent unconditional: 14978, dependent: 311, dependent conditional: 129, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15323, independent: 15012, independent conditional: 34, independent unconditional: 14978, dependent: 311, dependent conditional: 129, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3120, independent: 3021, independent conditional: 8, independent unconditional: 3013, dependent: 99, dependent conditional: 34, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3120, independent: 2957, independent conditional: 0, independent unconditional: 2957, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 163, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 99, dependent conditional: 34, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 163, independent: 64, independent conditional: 8, independent unconditional: 56, dependent: 99, dependent conditional: 34, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 202, independent: 95, independent conditional: 13, independent unconditional: 82, dependent: 108, dependent conditional: 33, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15323, independent: 11991, independent conditional: 26, independent unconditional: 11965, dependent: 212, dependent conditional: 95, dependent unconditional: 117, unknown: 3120, unknown conditional: 42, unknown unconditional: 3078] , Statistics on independence cache: Total cache size (in pairs): 3120, Positive cache size: 3021, Positive conditional cache size: 8, Positive unconditional cache size: 3013, Negative cache size: 99, Negative conditional cache size: 34, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12086, Maximal queried relation: 8, Independence queries for same thread: 582 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14309, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 809, dependent conditional: 764, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 214, dependent conditional: 169, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 214, dependent conditional: 169, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 214, dependent conditional: 169, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 0, independent unconditional: 13500, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 0, independent unconditional: 13500, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2532, independent: 2485, independent conditional: 0, independent unconditional: 2485, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2532, independent: 2445, independent conditional: 0, independent unconditional: 2445, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13714, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 2532, unknown conditional: 0, unknown unconditional: 2532] , Statistics on independence cache: Total cache size (in pairs): 2532, Positive cache size: 2485, Positive conditional cache size: 0, Positive unconditional cache size: 2485, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11188, Maximal queried relation: 0, Independence queries for same thread: 595, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 3440, Number of trivial persistent sets: 3440, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2526, independent: 2481, independent conditional: 0, independent unconditional: 2481, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14309, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 809, dependent conditional: 764, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 214, dependent conditional: 169, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 214, dependent conditional: 169, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 11019, independent unconditional: 2481, dependent: 214, dependent conditional: 169, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 0, independent unconditional: 13500, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13714, independent: 13500, independent conditional: 0, independent unconditional: 13500, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2532, independent: 2485, independent conditional: 0, independent unconditional: 2485, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2532, independent: 2445, independent conditional: 0, independent unconditional: 2445, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13714, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 2532, unknown conditional: 0, unknown unconditional: 2532] , Statistics on independence cache: Total cache size (in pairs): 2532, Positive cache size: 2485, Positive conditional cache size: 0, Positive unconditional cache size: 2485, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11188, Maximal queried relation: 0, Independence queries for same thread: 595 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 305002, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 12946, dependent conditional: 12881, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 294548, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 2492, dependent conditional: 2427, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 294548, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 2492, dependent conditional: 2427, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302127, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 10071, dependent conditional: 10006, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302127, independent: 292056, independent conditional: 2379, independent unconditional: 289677, dependent: 10071, dependent conditional: 2873, dependent unconditional: 7198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302127, independent: 292056, independent conditional: 2379, independent unconditional: 289677, dependent: 10071, dependent conditional: 2873, dependent unconditional: 7198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3292, independent: 3133, independent conditional: 43, independent unconditional: 3090, dependent: 159, dependent conditional: 90, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3292, independent: 3032, independent conditional: 0, independent unconditional: 3032, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 260, independent: 101, independent conditional: 43, independent unconditional: 58, dependent: 159, dependent conditional: 90, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, independent: 101, independent conditional: 43, independent unconditional: 58, dependent: 159, dependent conditional: 90, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, independent: 109, independent conditional: 40, independent unconditional: 69, dependent: 157, dependent conditional: 94, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 302127, independent: 288923, independent conditional: 2336, independent unconditional: 286587, dependent: 9912, dependent conditional: 2783, dependent unconditional: 7129, unknown: 3292, unknown conditional: 133, unknown unconditional: 3159] , Statistics on independence cache: Total cache size (in pairs): 3292, Positive cache size: 3133, Positive conditional cache size: 43, Positive unconditional cache size: 3090, Negative cache size: 159, Negative conditional cache size: 90, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 293724, Maximal queried relation: 4, Independence queries for same thread: 10454, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 5664, Number of trivial persistent sets: 467, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3151, independent: 3086, independent conditional: 0, independent unconditional: 3086, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 305002, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 12946, dependent conditional: 12881, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 294548, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 2492, dependent conditional: 2427, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 294548, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 2492, dependent conditional: 2427, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302127, independent: 292056, independent conditional: 288970, independent unconditional: 3086, dependent: 10071, dependent conditional: 10006, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302127, independent: 292056, independent conditional: 2379, independent unconditional: 289677, dependent: 10071, dependent conditional: 2873, dependent unconditional: 7198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302127, independent: 292056, independent conditional: 2379, independent unconditional: 289677, dependent: 10071, dependent conditional: 2873, dependent unconditional: 7198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3292, independent: 3133, independent conditional: 43, independent unconditional: 3090, dependent: 159, dependent conditional: 90, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3292, independent: 3032, independent conditional: 0, independent unconditional: 3032, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 260, independent: 101, independent conditional: 43, independent unconditional: 58, dependent: 159, dependent conditional: 90, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, independent: 101, independent conditional: 43, independent unconditional: 58, dependent: 159, dependent conditional: 90, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 266, independent: 109, independent conditional: 40, independent unconditional: 69, dependent: 157, dependent conditional: 94, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 302127, independent: 288923, independent conditional: 2336, independent unconditional: 286587, dependent: 9912, dependent conditional: 2783, dependent unconditional: 7129, unknown: 3292, unknown conditional: 133, unknown unconditional: 3159] , Statistics on independence cache: Total cache size (in pairs): 3292, Positive cache size: 3133, Positive conditional cache size: 43, Positive unconditional cache size: 3090, Negative cache size: 159, Negative conditional cache size: 90, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 293724, Maximal queried relation: 4, Independence queries for same thread: 10454 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19420, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 890, dependent conditional: 826, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18743, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 213, dependent conditional: 149, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18743, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 213, dependent conditional: 149, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18944, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 414, dependent conditional: 350, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18944, independent: 18530, independent conditional: 20, independent unconditional: 18510, dependent: 414, dependent conditional: 60, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18944, independent: 18530, independent conditional: 20, independent unconditional: 18510, dependent: 414, dependent conditional: 60, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3229, independent: 3151, independent conditional: 5, independent unconditional: 3146, dependent: 78, dependent conditional: 12, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3229, independent: 3090, independent conditional: 0, independent unconditional: 3090, dependent: 139, dependent conditional: 0, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 139, independent: 61, independent conditional: 5, independent unconditional: 56, dependent: 78, dependent conditional: 12, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, independent: 61, independent conditional: 5, independent unconditional: 56, dependent: 78, dependent conditional: 12, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 80, independent conditional: 4, independent unconditional: 76, dependent: 75, dependent conditional: 12, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18944, independent: 15379, independent conditional: 15, independent unconditional: 15364, dependent: 336, dependent conditional: 48, dependent unconditional: 288, unknown: 3229, unknown conditional: 17, unknown unconditional: 3212] , Statistics on independence cache: Total cache size (in pairs): 3229, Positive cache size: 3151, Positive conditional cache size: 5, Positive unconditional cache size: 3146, Negative cache size: 78, Negative conditional cache size: 12, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15656, Maximal queried relation: 2, Independence queries for same thread: 677, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 2154, Number of trivial persistent sets: 339, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3208, independent: 3144, independent conditional: 0, independent unconditional: 3144, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19420, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 890, dependent conditional: 826, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18743, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 213, dependent conditional: 149, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18743, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 213, dependent conditional: 149, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18944, independent: 18530, independent conditional: 15386, independent unconditional: 3144, dependent: 414, dependent conditional: 350, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18944, independent: 18530, independent conditional: 20, independent unconditional: 18510, dependent: 414, dependent conditional: 60, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18944, independent: 18530, independent conditional: 20, independent unconditional: 18510, dependent: 414, dependent conditional: 60, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3229, independent: 3151, independent conditional: 5, independent unconditional: 3146, dependent: 78, dependent conditional: 12, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3229, independent: 3090, independent conditional: 0, independent unconditional: 3090, dependent: 139, dependent conditional: 0, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 139, independent: 61, independent conditional: 5, independent unconditional: 56, dependent: 78, dependent conditional: 12, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, independent: 61, independent conditional: 5, independent unconditional: 56, dependent: 78, dependent conditional: 12, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 80, independent conditional: 4, independent unconditional: 76, dependent: 75, dependent conditional: 12, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18944, independent: 15379, independent conditional: 15, independent unconditional: 15364, dependent: 336, dependent conditional: 48, dependent unconditional: 288, unknown: 3229, unknown conditional: 17, unknown unconditional: 3212] , Statistics on independence cache: Total cache size (in pairs): 3229, Positive cache size: 3151, Positive conditional cache size: 5, Positive unconditional cache size: 3146, Negative cache size: 78, Negative conditional cache size: 12, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15656, Maximal queried relation: 2, Independence queries for same thread: 677 - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 708]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: 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: 691]: 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: readerThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 103 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 0.5s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: readerThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 103 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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, 0.4s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 7 procedures, 103 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: writerThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 103 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.1s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: writerThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 103 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-09-23 15:53:29,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-09-23 15:53:29,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-09-23 15:53:29,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-23 15:53:30,058 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 [2024-09-23 15:53:30,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 15:53:30,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE