./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/mix006.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/mix006.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:15:50,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:15:50,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:15:50,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:15:50,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:15:50,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:15:50,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:15:50,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:15:50,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:15:50,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:15:50,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:15:50,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:15:50,626 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:15:50,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:15:50,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:15:50,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:15:50,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:15:50,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:15:50,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:15:50,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:15:50,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:15:50,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:15:50,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:15:50,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:15:50,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:15:50,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:15:50,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:15:50,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:15:50,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:15:50,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:15:50,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:15:50,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:15:50,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:15:50,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:15:50,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:15:50,634 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:15:50,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:15:50,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:15:50,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:15:50,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:15:50,635 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:15:50,635 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:15:50,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:15:50,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:15:50,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:15:50,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:15:50,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:15:50,862 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:15:50,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2024-08-14 03:15:52,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:15:52,423 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:15:52,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2024-08-14 03:15:52,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26217f5df/aee29fc31b7d4713896c501d1b24b25a/FLAG44ed9a1ff [2024-08-14 03:15:52,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26217f5df/aee29fc31b7d4713896c501d1b24b25a [2024-08-14 03:15:52,455 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:15:52,459 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:15:52,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/mix006.opt.yml/witness.yml [2024-08-14 03:15:52,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:15:52,606 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:15:52,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:15:52,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:15:52,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:15:52,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:15:52" (1/2) ... [2024-08-14 03:15:52,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca43fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:52, skipping insertion in model container [2024-08-14 03:15:52,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:15:52" (1/2) ... [2024-08-14 03:15:52,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28b0326c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:52, skipping insertion in model container [2024-08-14 03:15:52,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:15:52" (2/2) ... [2024-08-14 03:15:52,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca43fc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:52, skipping insertion in model container [2024-08-14 03:15:52,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:15:52" (2/2) ... [2024-08-14 03:15:52,618 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:15:52,639 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:15:52,640 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:15:52,640 INFO L106 edCorrectnessWitness]: ghost_update [L847-L847] multithreaded = 1; [2024-08-14 03:15:52,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:15:52,800 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i[944,957] [2024-08-14 03:15:52,968 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:15:52,978 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:15:53,004 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i[944,957] Start Parsing Local [2024-08-14 03:15:53,049 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:15:53,114 INFO L206 MainTranslator]: Completed translation [2024-08-14 03:15:53,115 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53 WrapperNode [2024-08-14 03:15:53,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:15:53,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 03:15:53,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 03:15:53,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 03:15:53,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,183 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2024-08-14 03:15:53,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 03:15:53,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 03:15:53,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 03:15:53,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 03:15:53,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 03:15:53,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 03:15:53,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 03:15:53,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 03:15:53,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (1/1) ... [2024-08-14 03:15:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:15:53,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:15:53,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 03:15:53,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 03:15:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 03:15:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 03:15:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-14 03:15:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-14 03:15:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-14 03:15:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-14 03:15:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-08-14 03:15:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-08-14 03:15:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 03:15:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 03:15:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 03:15:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 03:15:53,298 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 03:15:53,410 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 03:15:53,412 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 03:15:53,645 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 03:15:53,646 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 03:15:53,761 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 03:15:53,761 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 03:15:53,761 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:15:53 BoogieIcfgContainer [2024-08-14 03:15:53,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 03:15:53,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 03:15:53,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 03:15:53,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 03:15:53,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 03:15:52" (1/4) ... [2024-08-14 03:15:53,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1013c85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:15:53, skipping insertion in model container [2024-08-14 03:15:53,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:15:52" (2/4) ... [2024-08-14 03:15:53,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1013c85c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:15:53, skipping insertion in model container [2024-08-14 03:15:53,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:53" (3/4) ... [2024-08-14 03:15:53,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1013c85c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:15:53, skipping insertion in model container [2024-08-14 03:15:53,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:15:53" (4/4) ... [2024-08-14 03:15:53,767 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2024-08-14 03:15:53,779 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 03:15:53,779 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 03:15:53,780 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 03:15:53,807 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-14 03:15:53,833 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:15:53,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 03:15:53,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:15:53,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 03:15:53,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 03:15:53,864 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 03:15:53,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2024-08-14 03:15:53,878 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f41f73d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:15:53,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 03:15:54,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 03:15:54,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:54,093 INFO L85 PathProgramCache]: Analyzing trace with hash -732273520, now seen corresponding path program 1 times [2024-08-14 03:15:54,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:54,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031971917] [2024-08-14 03:15:54,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:54,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:54,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031971917] [2024-08-14 03:15:54,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031971917] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:54,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:54,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 03:15:54,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646186994] [2024-08-14 03:15:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:54,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 03:15:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:54,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 03:15:54,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 03:15:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:54,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:54,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) 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) [2024-08-14 03:15:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:15:54,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 03:15:54,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 03:15:54,987 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 03:15:54,989 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE (1/2) [2024-08-14 03:15:54,993 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:15:54,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 03:15:54,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:15:54,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 03:15:54,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-14 03:15:55,003 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 03:15:55,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 03:15:55,004 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f41f73d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:15:55,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 03:15:55,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:15:55,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:55,114 INFO L85 PathProgramCache]: Analyzing trace with hash 503009623, now seen corresponding path program 1 times [2024-08-14 03:15:55,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:55,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90139309] [2024-08-14 03:15:55,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:55,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:55,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90139309] [2024-08-14 03:15:55,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90139309] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:55,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:55,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 03:15:55,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548789507] [2024-08-14 03:15:55,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:55,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 03:15:55,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:55,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 03:15:55,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 03:15:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:55,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:55,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:55,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:55,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:55,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 03:15:55,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:15:55,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:55,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1519808750, now seen corresponding path program 1 times [2024-08-14 03:15:55,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:55,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585036109] [2024-08-14 03:15:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:55,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:55,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585036109] [2024-08-14 03:15:55,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585036109] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:55,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:55,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 03:15:55,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506465036] [2024-08-14 03:15:55,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:55,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 03:15:55,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:55,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 03:15:55,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 03:15:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:55,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:55,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:55,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:55,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:55,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:15:55,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 03:15:55,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:15:55,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:55,819 INFO L85 PathProgramCache]: Analyzing trace with hash -135512020, now seen corresponding path program 1 times [2024-08-14 03:15:55,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109762638] [2024-08-14 03:15:55,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:55,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:55,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:55,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109762638] [2024-08-14 03:15:55,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109762638] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:55,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:55,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 03:15:55,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643723723] [2024-08-14 03:15:55,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:55,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 03:15:55,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:55,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 03:15:55,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 03:15:55,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:55,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:55,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:55,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:55,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:15:55,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:15:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:56,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 03:15:56,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:15:56,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:56,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1442856518, now seen corresponding path program 2 times [2024-08-14 03:15:56,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:56,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440968509] [2024-08-14 03:15:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:56,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:57,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:57,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440968509] [2024-08-14 03:15:57,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440968509] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:57,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:57,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-14 03:15:57,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752384365] [2024-08-14 03:15:57,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:57,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-14 03:15:57,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:57,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-14 03:15:57,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-08-14 03:15:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:57,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:57,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:57,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:57,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:15:57,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:57,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:57,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:15:57,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:15:57,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:15:57,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 03:15:57,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:15:57,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:57,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1989861798, now seen corresponding path program 3 times [2024-08-14 03:15:57,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:57,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355868659] [2024-08-14 03:15:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:57,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 03:15:57,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 03:15:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 03:15:58,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 03:15:58,063 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 03:15:58,063 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-08-14 03:15:58,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-08-14 03:15:58,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-14 03:15:58,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-14 03:15:58,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 03:15:58,066 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-08-14 03:15:58,066 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-08-14 03:15:58,068 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 03:15:58,072 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 03:15:58,157 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 03:15:58 BasicIcfg [2024-08-14 03:15:58,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 03:15:58,161 INFO L158 Benchmark]: Toolchain (without parser) took 5554.37ms. Allocated memory was 178.3MB in the beginning and 333.4MB in the end (delta: 155.2MB). Free memory was 99.4MB in the beginning and 250.3MB in the end (delta: -150.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-08-14 03:15:58,161 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 87.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:58,161 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:58,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.47ms. Allocated memory is still 178.3MB. Free memory was 99.1MB in the beginning and 144.7MB in the end (delta: -45.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-08-14 03:15:58,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.67ms. Allocated memory is still 178.3MB. Free memory was 144.7MB in the beginning and 141.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 03:15:58,162 INFO L158 Benchmark]: Boogie Preprocessor took 47.52ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 03:15:58,162 INFO L158 Benchmark]: RCFGBuilder took 529.28ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 91.5MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-08-14 03:15:58,162 INFO L158 Benchmark]: TraceAbstraction took 4397.50ms. Allocated memory was 178.3MB in the beginning and 333.4MB in the end (delta: 155.2MB). Free memory was 90.2MB in the beginning and 250.3MB in the end (delta: -160.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:58,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 87.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.47ms. Allocated memory is still 178.3MB. Free memory was 99.1MB in the beginning and 144.7MB in the end (delta: -45.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.67ms. Allocated memory is still 178.3MB. Free memory was 144.7MB in the beginning and 141.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.52ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.28ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 91.5MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4397.50ms. Allocated memory was 178.3MB in the beginning and 333.4MB in the end (delta: 155.2MB). Free memory was 90.2MB in the beginning and 250.3MB in the end (delta: -160.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3482, independent: 3317, independent conditional: 2560, independent unconditional: 757, dependent: 165, dependent conditional: 138, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3478, independent: 3317, independent conditional: 2560, independent unconditional: 757, dependent: 161, dependent conditional: 134, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3478, independent: 3317, independent conditional: 2560, independent unconditional: 757, dependent: 161, dependent conditional: 134, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3650, independent: 3317, independent conditional: 38, independent unconditional: 3279, dependent: 333, dependent conditional: 134, dependent unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3650, independent: 3317, independent conditional: 38, independent unconditional: 3279, dependent: 333, dependent conditional: 50, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3650, independent: 3317, independent conditional: 38, independent unconditional: 3279, dependent: 333, dependent conditional: 50, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 793, independent: 759, independent conditional: 2, independent unconditional: 757, dependent: 34, dependent conditional: 5, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 793, independent: 751, independent conditional: 0, independent unconditional: 751, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 34, dependent conditional: 5, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 34, dependent conditional: 5, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, independent: 65, independent conditional: 17, independent unconditional: 49, dependent: 276, dependent conditional: 72, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3650, independent: 2558, independent conditional: 36, independent unconditional: 2522, dependent: 299, dependent conditional: 45, dependent unconditional: 254, unknown: 793, unknown conditional: 7, unknown unconditional: 786] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 759, Positive conditional cache size: 2, Positive unconditional cache size: 757, Negative cache size: 34, Negative conditional cache size: 5, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 84, Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 486, Number of trivial persistent sets: 201, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 784, independent: 757, independent conditional: 0, independent unconditional: 757, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3482, independent: 3317, independent conditional: 2560, independent unconditional: 757, dependent: 165, dependent conditional: 138, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3478, independent: 3317, independent conditional: 2560, independent unconditional: 757, dependent: 161, dependent conditional: 134, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3478, independent: 3317, independent conditional: 2560, independent unconditional: 757, dependent: 161, dependent conditional: 134, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3650, independent: 3317, independent conditional: 38, independent unconditional: 3279, dependent: 333, dependent conditional: 134, dependent unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3650, independent: 3317, independent conditional: 38, independent unconditional: 3279, dependent: 333, dependent conditional: 50, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3650, independent: 3317, independent conditional: 38, independent unconditional: 3279, dependent: 333, dependent conditional: 50, dependent unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 793, independent: 759, independent conditional: 2, independent unconditional: 757, dependent: 34, dependent conditional: 5, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 793, independent: 751, independent conditional: 0, independent unconditional: 751, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 34, dependent conditional: 5, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 34, dependent conditional: 5, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, independent: 65, independent conditional: 17, independent unconditional: 49, dependent: 276, dependent conditional: 72, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3650, independent: 2558, independent conditional: 36, independent unconditional: 2522, dependent: 299, dependent conditional: 45, dependent unconditional: 254, unknown: 793, unknown conditional: 7, unknown unconditional: 786] , Statistics on independence cache: Total cache size (in pairs): 793, Positive cache size: 759, Positive conditional cache size: 2, Positive unconditional cache size: 757, Negative cache size: 34, Negative conditional cache size: 5, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 84, Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9374, independent: 9107, independent conditional: 8400, independent unconditional: 707, dependent: 267, dependent conditional: 238, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9333, independent: 9107, independent conditional: 8400, independent unconditional: 707, dependent: 226, dependent conditional: 197, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9333, independent: 9107, independent conditional: 8400, independent unconditional: 707, dependent: 226, dependent conditional: 197, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10236, independent: 9107, independent conditional: 259, independent unconditional: 8848, dependent: 1129, dependent conditional: 644, dependent unconditional: 485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10236, independent: 9107, independent conditional: 259, independent unconditional: 8848, dependent: 1129, dependent conditional: 40, dependent unconditional: 1089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10236, independent: 9107, independent conditional: 259, independent unconditional: 8848, dependent: 1129, dependent conditional: 40, dependent unconditional: 1089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 757, independent: 719, independent conditional: 12, independent unconditional: 707, dependent: 38, dependent conditional: 7, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 757, independent: 699, independent conditional: 0, independent unconditional: 699, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 38, dependent conditional: 7, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 38, dependent conditional: 7, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, independent: 101, independent conditional: 45, independent unconditional: 56, dependent: 217, dependent conditional: 58, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10236, independent: 8388, independent conditional: 247, independent unconditional: 8141, dependent: 1091, dependent conditional: 33, dependent unconditional: 1058, unknown: 757, unknown conditional: 19, unknown unconditional: 738] , Statistics on independence cache: Total cache size (in pairs): 757, Positive cache size: 719, Positive conditional cache size: 12, Positive unconditional cache size: 707, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 604, Maximal queried relation: 4, Independence queries for same thread: 41 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 780, Number of trivial persistent sets: 415, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 736, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9374, independent: 9107, independent conditional: 8400, independent unconditional: 707, dependent: 267, dependent conditional: 238, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9333, independent: 9107, independent conditional: 8400, independent unconditional: 707, dependent: 226, dependent conditional: 197, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9333, independent: 9107, independent conditional: 8400, independent unconditional: 707, dependent: 226, dependent conditional: 197, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10236, independent: 9107, independent conditional: 259, independent unconditional: 8848, dependent: 1129, dependent conditional: 644, dependent unconditional: 485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10236, independent: 9107, independent conditional: 259, independent unconditional: 8848, dependent: 1129, dependent conditional: 40, dependent unconditional: 1089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10236, independent: 9107, independent conditional: 259, independent unconditional: 8848, dependent: 1129, dependent conditional: 40, dependent unconditional: 1089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 757, independent: 719, independent conditional: 12, independent unconditional: 707, dependent: 38, dependent conditional: 7, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 757, independent: 699, independent conditional: 0, independent unconditional: 699, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 38, dependent conditional: 7, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 38, dependent conditional: 7, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, independent: 101, independent conditional: 45, independent unconditional: 56, dependent: 217, dependent conditional: 58, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10236, independent: 8388, independent conditional: 247, independent unconditional: 8141, dependent: 1091, dependent conditional: 33, dependent unconditional: 1058, unknown: 757, unknown conditional: 19, unknown unconditional: 738] , Statistics on independence cache: Total cache size (in pairs): 757, Positive cache size: 719, Positive conditional cache size: 12, Positive unconditional cache size: 707, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 604, Maximal queried relation: 4, Independence queries for same thread: 41 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1] 0 //@ ghost int multithreaded = 0; [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L846] 0 pthread_t t156; [L847] 0 //@ ghost multithreaded = 1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t156=-3, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L847] FCALL, FORK 0 pthread_create(&t156, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t156=-3, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L848] 0 pthread_t t157; [L849] FCALL, FORK 0 pthread_create(&t157, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t156=-3, t157=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L850] 0 pthread_t t158; [L851] FCALL, FORK 0 pthread_create(&t158, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t156=-3, t157=-2, t158=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L797] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L797] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 y$flush_delayed = weak$$choice2 [L808] 3 y$mem_tmp = y [L809] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EAX = y [L817] 3 y = y$flush_delayed ? y$mem_tmp : y [L818] 3 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L821] 3 __unbuffered_p2_EBX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L747] 1 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L750] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L762] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L765] 2 __unbuffered_p1_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EBX = y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L788] 2 return 0; [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L833] 3 return 0; [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t156=-3, t157=-2, t158=-1, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L855] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L855] RET 0 assume_abort_if_not(main$tmp_guard0) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t156=-3, t157=-2, t158=-1, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t156=-3, t157=-2, t158=-1, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L866] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 69 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 69 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 1.7s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 1798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 03:15:58,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-08-14 03:15:58,399 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 [2024-08-14 03:15:58,605 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE