./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-send-receive-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-send-receive-alt.wvr.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 02:54:08,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 02:54:08,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 02:54:08,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 02:54:08,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 02:54:08,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 02:54:08,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 02:54:08,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 02:54:08,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 02:54:08,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 02:54:08,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 02:54:08,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 02:54:08,776 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 02:54:08,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 02:54:08,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 02:54:08,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 02:54:08,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 02:54:08,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 02:54:08,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 02:54:08,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 02:54:08,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 02:54:08,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 02:54:08,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 02:54:08,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 02:54:08,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 02:54:08,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 02:54:08,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 02:54:08,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 02:54:08,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 02:54:08,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 02:54:08,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 02:54:08,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 02:54:08,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 02:54:08,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 02:54:08,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 02:54:08,784 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 02:54:08,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 02:54:08,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 02:54:08,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 02:54:08,785 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 02:54:08,785 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 02:54:08,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 02:54:08,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 02:54:08,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 02:54:08,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 02:54:08,991 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 02:54:08,992 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 02:54:08,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-send-receive-alt.wvr.yml/witness.yml [2024-09-08 02:54:09,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 02:54:09,086 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 02:54:09,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-09-08 02:54:10,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 02:54:10,514 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 02:54:10,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-09-08 02:54:10,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7865c262c/a963a03efe894abeab6a5ec390aea9f0/FLAGa8167c02f [2024-09-08 02:54:10,922 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7865c262c/a963a03efe894abeab6a5ec390aea9f0 [2024-09-08 02:54:10,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 02:54:10,923 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 02:54:10,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 02:54:10,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 02:54:10,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 02:54:10,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:54:09" (1/2) ... [2024-09-08 02:54:10,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1b5c51 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:10, skipping insertion in model container [2024-09-08 02:54:10,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:54:09" (1/2) ... [2024-09-08 02:54:10,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d30313e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:54:10, skipping insertion in model container [2024-09-08 02:54:10,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:54:10" (2/2) ... [2024-09-08 02:54:10,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1b5c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:10, skipping insertion in model container [2024-09-08 02:54:10,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:54:10" (2/2) ... [2024-09-08 02:54:10,944 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 02:54:10,945 INFO L1541 ArrayList]: Location invariant before [L49-L49] (((((((2147483648LL + (long long )front) + (long long )n >= 0LL) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967294LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL) [2024-09-08 02:54:10,945 INFO L1541 ArrayList]: Location invariant before [L69-L69] (((((((2147483648LL + (long long )front) + (long long )n >= 0LL) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967294LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL) [2024-09-08 02:54:10,945 INFO L1541 ArrayList]: Location invariant before [L64-L64] (((((((2147483648LL + (long long )front) + (long long )n >= 0LL) && ((2147483648LL + (long long )back) + (long long )n >= 0LL)) && ((2147483647LL - (long long )front) + (long long )n >= 0LL)) && ((3221225471LL + (long long )front) - (long long )n >= 0LL)) && ((3221225471LL + (long long )back) - (long long )n >= 0LL)) && ((4294967294LL + (long long )back) - (long long )front >= 0LL)) && ((3221225470LL - (long long )front) - (long long )n >= 0LL) [2024-09-08 02:54:10,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 02:54:11,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 02:54:11,163 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 02:54:11,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 02:54:11,239 INFO L204 MainTranslator]: Completed translation [2024-09-08 02:54:11,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11 WrapperNode [2024-09-08 02:54:11,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 02:54:11,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 02:54:11,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 02:54:11,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 02:54:11,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,288 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 147 [2024-09-08 02:54:11,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 02:54:11,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 02:54:11,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 02:54:11,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 02:54:11,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 02:54:11,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 02:54:11,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 02:54:11,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 02:54:11,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (1/1) ... [2024-09-08 02:54:11,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 02:54:11,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:11,354 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) [2024-09-08 02:54:11,357 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 [2024-09-08 02:54:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 02:54:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 02:54:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 02:54:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 02:54:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 02:54:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 02:54:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 02:54:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 02:54:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 02:54:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 02:54:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 02:54:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 02:54:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 02:54:11,400 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 02:54:11,473 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 02:54:11,475 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 02:54:11,658 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 02:54:11,658 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 02:54:11,802 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 02:54:11,803 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-08 02:54:11,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:54:11 BoogieIcfgContainer [2024-09-08 02:54:11,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 02:54:11,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 02:54:11,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 02:54:11,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 02:54:11,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:54:09" (1/4) ... [2024-09-08 02:54:11,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b80a7d3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:54:11, skipping insertion in model container [2024-09-08 02:54:11,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:54:10" (2/4) ... [2024-09-08 02:54:11,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b80a7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:54:11, skipping insertion in model container [2024-09-08 02:54:11,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:54:11" (3/4) ... [2024-09-08 02:54:11,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b80a7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:54:11, skipping insertion in model container [2024-09-08 02:54:11,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:54:11" (4/4) ... [2024-09-08 02:54:11,813 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-09-08 02:54:11,830 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 02:54:11,830 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 02:54:11,830 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 02:54:11,891 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 02:54:11,928 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:11,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:54:11,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:11,932 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) [2024-09-08 02:54:11,934 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 [2024-09-08 02:54:11,967 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:54:11,977 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-09-08 02:54:11,985 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;@5a4d4f4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:11,985 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 02:54:12,045 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:12,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash -98680689, now seen corresponding path program 1 times [2024-09-08 02:54:12,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:12,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680377721] [2024-09-08 02:54:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:12,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:12,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:12,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680377721] [2024-09-08 02:54:12,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680377721] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:12,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:12,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:54:12,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137074601] [2024-09-08 02:54:12,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:12,219 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-09-08 02:54:12,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:12,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-09-08 02:54:12,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-08 02:54:12,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,236 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:12,237 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,262 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 02:54:12,262 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:12,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:12,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1044865804, now seen corresponding path program 1 times [2024-09-08 02:54:12,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:12,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784007137] [2024-09-08 02:54:12,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:12,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:12,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:12,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784007137] [2024-09-08 02:54:12,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784007137] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:12,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:12,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:54:12,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685821916] [2024-09-08 02:54:12,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:12,454 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:54:12,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:54:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:54:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,455 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:12,455 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-09-08 02:54:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:12,513 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 02:54:12,513 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:12,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:12,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1875975979, now seen corresponding path program 1 times [2024-09-08 02:54:12,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:12,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141003575] [2024-09-08 02:54:12,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:12,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:12,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:12,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141003575] [2024-09-08 02:54:12,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141003575] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:12,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912051669] [2024-09-08 02:54:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:12,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:12,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:12,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:12,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 02:54:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:12,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 02:54:12,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:13,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:13,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912051669] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:13,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:13,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-09-08 02:54:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205062940] [2024-09-08 02:54:13,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:13,587 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-08 02:54:13,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:13,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-08 02:54:13,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-09-08 02:54:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:13,590 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:13,591 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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) [2024-09-08 02:54:13,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:13,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:13,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:13,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:13,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 02:54:14,085 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-08 02:54:14,085 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:14,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:14,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2043405084, now seen corresponding path program 1 times [2024-09-08 02:54:14,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:14,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177264529] [2024-09-08 02:54:14,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:14,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 02:54:14,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:14,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177264529] [2024-09-08 02:54:14,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177264529] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:14,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:14,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:54:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180434883] [2024-09-08 02:54:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:14,146 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:54:14,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:54:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:54:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:14,147 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:14,147 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2024-09-08 02:54:14,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:14,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:14,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:14,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:14,229 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 02:54:14,230 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:14,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:14,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1628421238, now seen corresponding path program 1 times [2024-09-08 02:54:14,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:14,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903202855] [2024-09-08 02:54:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:14,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:14,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903202855] [2024-09-08 02:54:14,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903202855] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:14,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485289346] [2024-09-08 02:54:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:14,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:14,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 02:54:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:14,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-08 02:54:14,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:14,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:15,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485289346] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:15,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:15,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 20 [2024-09-08 02:54:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809205789] [2024-09-08 02:54:15,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:15,104 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-08 02:54:15,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:15,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-08 02:54:15,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-09-08 02:54:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,105 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:15,106 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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) [2024-09-08 02:54:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:15,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:15,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-08 02:54:15,620 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:15,621 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:15,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:15,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1512030287, now seen corresponding path program 1 times [2024-09-08 02:54:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:15,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439813349] [2024-09-08 02:54:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-08 02:54:15,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:15,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439813349] [2024-09-08 02:54:15,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439813349] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:15,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:15,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:54:15,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434976605] [2024-09-08 02:54:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:15,691 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:54:15,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:15,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:54:15,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:54:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,691 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:15,692 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) 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) [2024-09-08 02:54:15,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:15,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:15,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:15,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:15,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:15,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:15,784 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 02:54:15,784 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:15,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2101776311, now seen corresponding path program 2 times [2024-09-08 02:54:15,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:15,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708937873] [2024-09-08 02:54:15,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:15,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:16,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:16,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708937873] [2024-09-08 02:54:16,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708937873] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:16,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101648107] [2024-09-08 02:54:16,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:54:16,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:16,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:16,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:16,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 02:54:16,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 02:54:16,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:54:16,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-08 02:54:16,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:16,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:17,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101648107] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:17,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:17,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2024-09-08 02:54:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901622685] [2024-09-08 02:54:17,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:17,649 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-08 02:54:17,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:17,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-08 02:54:17,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2024-09-08 02:54:17,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:17,651 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:17,651 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.206896551724138) internal successors, (93), 29 states have internal predecessors, (93), 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) [2024-09-08 02:54:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:17,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 02:54:18,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 02:54:19,026 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:19,027 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:19,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:19,027 INFO L85 PathProgramCache]: Analyzing trace with hash 516960214, now seen corresponding path program 3 times [2024-09-08 02:54:19,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:19,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404263658] [2024-09-08 02:54:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:19,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:19,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404263658] [2024-09-08 02:54:19,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404263658] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099062978] [2024-09-08 02:54:19,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 02:54:19,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:19,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:19,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:19,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 02:54:19,751 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-08 02:54:19,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:54:19,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 02:54:19,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-09-08 02:54:19,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 02:54:19,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099062978] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:19,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 02:54:19,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 18 [2024-09-08 02:54:19,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901934279] [2024-09-08 02:54:19,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:19,987 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 02:54:19,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:19,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 02:54:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-09-08 02:54:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:19,987 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:19,988 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 02:54:19,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 02:54:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:21,193 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 02:54:21,194 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-08 02:54:21,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-08 02:54:21,394 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-08 02:54:21,399 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-09-08 02:54:21,400 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE (1/3) [2024-09-08 02:54:21,402 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:21,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:54:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:21,405 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:54:21,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-09-08 02:54:21,408 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:54:21,408 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-09-08 02:54:21,408 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;@5a4d4f4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:21,409 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 02:54:21,444 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:21,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:21,445 INFO L85 PathProgramCache]: Analyzing trace with hash -771694410, now seen corresponding path program 1 times [2024-09-08 02:54:21,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:21,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142385859] [2024-09-08 02:54:21,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:21,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:21,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:21,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142385859] [2024-09-08 02:54:21,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142385859] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:21,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:21,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:54:21,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398527745] [2024-09-08 02:54:21,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:21,552 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:54:21,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:21,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:54:21,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:54:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:21,552 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:21,552 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-09-08 02:54:21,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:21,578 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 02:54:21,579 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:21,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:21,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1521457183, now seen corresponding path program 1 times [2024-09-08 02:54:21,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:21,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335734733] [2024-09-08 02:54:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:21,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:21,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335734733] [2024-09-08 02:54:21,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335734733] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36237970] [2024-09-08 02:54:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:21,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:21,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:21,689 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:21,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 02:54:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:21,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 02:54:21,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:21,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:22,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36237970] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:22,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:22,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-09-08 02:54:22,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383936614] [2024-09-08 02:54:22,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:22,011 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 02:54:22,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:22,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 02:54:22,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-09-08 02:54:22,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:22,011 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:22,012 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 02:54:22,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:22,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:22,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-08 02:54:22,319 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 02:54:22,319 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:22,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:22,320 INFO L85 PathProgramCache]: Analyzing trace with hash 911218897, now seen corresponding path program 1 times [2024-09-08 02:54:22,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:22,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383532025] [2024-09-08 02:54:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 02:54:22,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:22,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383532025] [2024-09-08 02:54:22,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383532025] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:22,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:22,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 02:54:22,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295118709] [2024-09-08 02:54:22,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:22,350 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 02:54:22,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:22,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 02:54:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 02:54:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:22,350 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:22,350 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) [2024-09-08 02:54:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:22,406 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 02:54:22,406 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:22,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:22,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1265955936, now seen corresponding path program 1 times [2024-09-08 02:54:22,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:22,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404964353] [2024-09-08 02:54:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:22,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404964353] [2024-09-08 02:54:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404964353] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421436822] [2024-09-08 02:54:22,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:22,609 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:22,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 02:54:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:22,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 02:54:22,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:22,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:23,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421436822] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:23,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:23,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 20 [2024-09-08 02:54:23,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410187363] [2024-09-08 02:54:23,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:23,079 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-08 02:54:23,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-08 02:54:23,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2024-09-08 02:54:23,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:23,080 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:23,080 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.0) internal successors, (63), 21 states have internal predecessors, (63), 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) [2024-09-08 02:54:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:23,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 02:54:23,566 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:23,566 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:23,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:23,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1361147204, now seen corresponding path program 1 times [2024-09-08 02:54:23,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:23,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144094539] [2024-09-08 02:54:23,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:23,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-08 02:54:23,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:23,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144094539] [2024-09-08 02:54:23,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144094539] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 02:54:23,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 02:54:23,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 02:54:23,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049543244] [2024-09-08 02:54:23,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 02:54:23,630 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 02:54:23,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:23,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 02:54:23,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 02:54:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:23,630 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:23,630 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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) [2024-09-08 02:54:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:23,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:23,671 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 02:54:23,672 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:23,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:23,672 INFO L85 PathProgramCache]: Analyzing trace with hash -144637933, now seen corresponding path program 2 times [2024-09-08 02:54:23,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:23,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243972681] [2024-09-08 02:54:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:23,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243972681] [2024-09-08 02:54:23,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243972681] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808516491] [2024-09-08 02:54:23,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 02:54:23,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:24,001 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:24,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 02:54:24,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 02:54:24,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:54:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-08 02:54:24,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:24,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:24,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808516491] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:24,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:24,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 28 [2024-09-08 02:54:24,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167497632] [2024-09-08 02:54:24,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:24,893 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-08 02:54:24,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:24,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-08 02:54:24,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=681, Unknown=0, NotChecked=0, Total=870 [2024-09-08 02:54:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:24,894 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:24,894 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.103448275862069) internal successors, (90), 29 states have internal predecessors, (90), 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) [2024-09-08 02:54:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:24,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:24,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 02:54:25,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-08 02:54:25,580 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-08 02:54:25,580 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 02:54:25,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 02:54:25,581 INFO L85 PathProgramCache]: Analyzing trace with hash 546146452, now seen corresponding path program 3 times [2024-09-08 02:54:25,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 02:54:25,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809463408] [2024-09-08 02:54:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 02:54:25,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 02:54:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 02:54:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 02:54:26,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 02:54:26,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809463408] [2024-09-08 02:54:26,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809463408] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 02:54:26,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283402430] [2024-09-08 02:54:26,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 02:54:26,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 02:54:26,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:26,074 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 02:54:26,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 02:54:26,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-08 02:54:26,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 02:54:26,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-08 02:54:26,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 02:54:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-08 02:54:26,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 02:54:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-09-08 02:54:26,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283402430] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 02:54:26,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 02:54:26,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 4] total 22 [2024-09-08 02:54:26,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551423927] [2024-09-08 02:54:26,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 02:54:26,520 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-08 02:54:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 02:54:26,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-08 02:54:26,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2024-09-08 02:54:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:26,521 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 02:54:26,521 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.869565217391304) internal successors, (89), 23 states have internal predecessors, (89), 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) [2024-09-08 02:54:26,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:26,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:26,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:26,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 02:54:26,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:26,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 02:54:26,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 02:54:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 02:54:29,038 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-08 02:54:29,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 02:54:29,242 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-08 02:54:29,243 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-09-08 02:54:29,244 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (2/3) [2024-09-08 02:54:29,245 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:29,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 02:54:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 02:54:29,246 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 02:54:29,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-09-08 02:54:29,249 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 02:54:29,249 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 02:54:29,249 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;@5a4d4f4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 02:54:29,249 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 02:54:29,272 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-09-08 02:54:29,272 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-08 02:54:29,273 INFO L408 BasicCegarLoop]: Path program histogram: [] [2024-09-08 02:54:29,273 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (3/3) [2024-09-08 02:54:29,274 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 02:54:29,274 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 02:54:29,276 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-08 02:54:29,276 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-08 02:54:29,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:54:29 BasicIcfg [2024-09-08 02:54:29,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 02:54:29,277 INFO L158 Benchmark]: Toolchain (without parser) took 18353.88ms. Allocated memory was 172.0MB in the beginning and 394.3MB in the end (delta: 222.3MB). Free memory was 100.8MB in the beginning and 336.4MB in the end (delta: -235.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:54:29,277 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 79.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:54:29,277 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 172.0MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:54:29,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.88ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 135.3MB in the end (delta: -34.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-08 02:54:29,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.29ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 02:54:29,277 INFO L158 Benchmark]: Boogie Preprocessor took 36.94ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:54:29,278 INFO L158 Benchmark]: RCFGBuilder took 476.92ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 84.9MB in the end (delta: 46.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-08 02:54:29,278 INFO L158 Benchmark]: TraceAbstraction took 17471.22ms. Allocated memory was 172.0MB in the beginning and 394.3MB in the end (delta: 222.3MB). Free memory was 84.3MB in the beginning and 336.4MB in the end (delta: -252.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 02:54:29,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 79.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.53ms. Allocated memory is still 172.0MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.88ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 135.3MB in the end (delta: -34.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.29ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.94ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.92ms. Allocated memory is still 172.0MB. Free memory was 131.7MB in the beginning and 84.9MB in the end (delta: 46.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17471.22ms. Allocated memory was 172.0MB in the beginning and 394.3MB in the end (delta: 222.3MB). Free memory was 84.3MB in the beginning and 336.4MB in the end (delta: -252.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10366, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 2997, dependent conditional: 2991, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7538, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 169, dependent conditional: 163, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7538, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 169, dependent conditional: 163, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8195, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 826, dependent conditional: 820, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8195, independent: 7369, independent conditional: 16, independent unconditional: 7353, dependent: 826, dependent conditional: 641, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8195, independent: 7369, independent conditional: 16, independent unconditional: 7353, dependent: 826, dependent conditional: 641, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 442, independent: 394, independent conditional: 8, independent unconditional: 386, dependent: 48, dependent conditional: 42, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 442, independent: 377, independent conditional: 0, independent unconditional: 377, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 17, independent conditional: 8, independent unconditional: 9, dependent: 48, dependent conditional: 42, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 17, independent conditional: 8, independent unconditional: 9, dependent: 48, dependent conditional: 42, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, independent: 82, independent conditional: 32, independent unconditional: 50, dependent: 178, dependent conditional: 160, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8195, independent: 6975, independent conditional: 8, independent unconditional: 6967, dependent: 778, dependent conditional: 599, dependent unconditional: 179, unknown: 442, unknown conditional: 50, unknown unconditional: 392] , Statistics on independence cache: Total cache size (in pairs): 442, Positive cache size: 394, Positive conditional cache size: 8, Positive unconditional cache size: 386, Negative cache size: 48, Negative conditional cache size: 42, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7031, Maximal queried relation: 6, Independence queries for same thread: 2828, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 117, Number of trivial persistent sets: 101, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 507, independent: 501, independent conditional: 0, independent unconditional: 501, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10366, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 2997, dependent conditional: 2991, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7538, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 169, dependent conditional: 163, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7538, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 169, dependent conditional: 163, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8195, independent: 7369, independent conditional: 6868, independent unconditional: 501, dependent: 826, dependent conditional: 820, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8195, independent: 7369, independent conditional: 16, independent unconditional: 7353, dependent: 826, dependent conditional: 641, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8195, independent: 7369, independent conditional: 16, independent unconditional: 7353, dependent: 826, dependent conditional: 641, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 442, independent: 394, independent conditional: 8, independent unconditional: 386, dependent: 48, dependent conditional: 42, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 442, independent: 377, independent conditional: 0, independent unconditional: 377, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 17, independent conditional: 8, independent unconditional: 9, dependent: 48, dependent conditional: 42, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 17, independent conditional: 8, independent unconditional: 9, dependent: 48, dependent conditional: 42, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, independent: 82, independent conditional: 32, independent unconditional: 50, dependent: 178, dependent conditional: 160, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8195, independent: 6975, independent conditional: 8, independent unconditional: 6967, dependent: 778, dependent conditional: 599, dependent unconditional: 179, unknown: 442, unknown conditional: 50, unknown unconditional: 392] , Statistics on independence cache: Total cache size (in pairs): 442, Positive cache size: 394, Positive conditional cache size: 8, Positive unconditional cache size: 386, Negative cache size: 48, Negative conditional cache size: 42, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7031, Maximal queried relation: 6, Independence queries for same thread: 2828 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6961, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 1884, dependent conditional: 1878, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5334, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 257, dependent conditional: 251, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5334, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 257, dependent conditional: 251, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6375, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 1298, dependent conditional: 1292, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6375, independent: 5077, independent conditional: 52, independent unconditional: 5025, dependent: 1298, dependent conditional: 989, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6375, independent: 5077, independent conditional: 52, independent unconditional: 5025, dependent: 1298, dependent conditional: 989, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 455, independent: 395, independent conditional: 16, independent unconditional: 379, dependent: 60, dependent conditional: 54, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 455, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 85, independent: 25, independent conditional: 16, independent unconditional: 9, dependent: 60, dependent conditional: 54, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, independent: 25, independent conditional: 16, independent unconditional: 9, dependent: 60, dependent conditional: 54, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265, independent: 94, independent conditional: 60, independent unconditional: 34, dependent: 172, dependent conditional: 157, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6375, independent: 4682, independent conditional: 36, independent unconditional: 4646, dependent: 1238, dependent conditional: 935, dependent unconditional: 303, unknown: 455, unknown conditional: 70, unknown unconditional: 385] , Statistics on independence cache: Total cache size (in pairs): 455, Positive cache size: 395, Positive conditional cache size: 16, Positive unconditional cache size: 379, Negative cache size: 60, Negative conditional cache size: 54, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4833, Maximal queried relation: 7, Independence queries for same thread: 1627, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 82, Number of trivial persistent sets: 75, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 501, independent: 495, independent conditional: 0, independent unconditional: 495, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6961, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 1884, dependent conditional: 1878, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5334, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 257, dependent conditional: 251, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5334, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 257, dependent conditional: 251, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6375, independent: 5077, independent conditional: 4582, independent unconditional: 495, dependent: 1298, dependent conditional: 1292, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6375, independent: 5077, independent conditional: 52, independent unconditional: 5025, dependent: 1298, dependent conditional: 989, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6375, independent: 5077, independent conditional: 52, independent unconditional: 5025, dependent: 1298, dependent conditional: 989, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 455, independent: 395, independent conditional: 16, independent unconditional: 379, dependent: 60, dependent conditional: 54, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 455, independent: 370, independent conditional: 0, independent unconditional: 370, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 85, independent: 25, independent conditional: 16, independent unconditional: 9, dependent: 60, dependent conditional: 54, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, independent: 25, independent conditional: 16, independent unconditional: 9, dependent: 60, dependent conditional: 54, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265, independent: 94, independent conditional: 60, independent unconditional: 34, dependent: 172, dependent conditional: 157, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6375, independent: 4682, independent conditional: 36, independent unconditional: 4646, dependent: 1238, dependent conditional: 935, dependent unconditional: 303, unknown: 455, unknown conditional: 70, unknown unconditional: 385] , Statistics on independence cache: Total cache size (in pairs): 455, Positive cache size: 395, Positive conditional cache size: 16, Positive unconditional cache size: 379, Negative cache size: 60, Negative conditional cache size: 54, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4833, Maximal queried relation: 7, Independence queries for same thread: 1627 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 136, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0, Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 7, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 136, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 4, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0, Independence queries for same thread: 3 - PositiveResult [Line: 64]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 69]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 49]: 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: thread2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 318 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 6751 SizeOfPredicates, 6 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 84/228 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.5s, 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: 84, 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, 3.1s InterpolantComputationTime, 262 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 5328 SizeOfPredicates, 8 NumberOfNonLiveVariables, 600 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 104/233 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 5 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 02:54:29,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Forceful destruction successful, exit code 0 [2024-09-08 02:54:29,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Ended with exit code 0 [2024-09-08 02:54:29,708 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 [2024-09-08 02:54:29,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE