./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-local/pthread-demo-datarace-3.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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-C-DAC/pthread-demo-datarace-3.i ./goblint.2024-08-08_07-59-58.files/protection-local/pthread-demo-datarace-3.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 17:47:22,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 17:47:22,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 17:47:22,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 17:47:22,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 17:47:22,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 17:47:22,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 17:47:22,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 17:47:22,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 17:47:22,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 17:47:22,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 17:47:22,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 17:47:22,937 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 17:47:22,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 17:47:22,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 17:47:22,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 17:47:22,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 17:47:22,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 17:47:22,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 17:47:22,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 17:47:22,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 17:47:22,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 17:47:22,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 17:47:22,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 17:47:22,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 17:47:22,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 17:47:22,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 17:47:22,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 17:47:22,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 17:47:22,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 17:47:22,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 17:47:22,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 17:47:22,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 17:47:22,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 17:47:22,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 17:47:22,943 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 17:47:22,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 17:47:22,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 17:47:22,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 17:47:22,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 17:47:22,944 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 17:47:22,944 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 17:47:22,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-23 17:47:23,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 17:47:23,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 17:47:23,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 17:47:23,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 17:47:23,155 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 17:47:23,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2024-08-23 17:47:24,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 17:47:24,585 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 17:47:24,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2024-08-23 17:47:24,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b83ecae19/1925128838874f42af3edfdbe12d9cee/FLAGfd8fa6e32 [2024-08-23 17:47:24,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b83ecae19/1925128838874f42af3edfdbe12d9cee [2024-08-23 17:47:24,921 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 17:47:24,921 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 17:47:24,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/pthread-demo-datarace-3.yml/witness.yml [2024-08-23 17:47:24,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 17:47:24,978 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 17:47:24,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 17:47:24,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 17:47:24,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 17:47:24,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 05:47:24" (1/2) ... [2024-08-23 17:47:24,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60147b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:47:24, skipping insertion in model container [2024-08-23 17:47:24,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 05:47:24" (1/2) ... [2024-08-23 17:47:24,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f6364e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:47:24, skipping insertion in model container [2024-08-23 17:47:24,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 05:47:24" (2/2) ... [2024-08-23 17:47:24,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60147b3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:24, skipping insertion in model container [2024-08-23 17:47:24,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 05:47:24" (2/2) ... [2024-08-23 17:47:24,986 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 17:47:25,004 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 17:47:25,005 INFO L97 edCorrectnessWitness]: Location invariant before [L1355-L1355] 0 <= myglobal [2024-08-23 17:47:25,005 INFO L97 edCorrectnessWitness]: Location invariant before [L1333-L1333] 0 <= myglobal [2024-08-23 17:47:25,005 INFO L97 edCorrectnessWitness]: Location invariant before [L1328-L1328] 0 <= myglobal [2024-08-23 17:47:25,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 17:47:25,182 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-C-DAC/pthread-demo-datarace-3.i[818,831] [2024-08-23 17:47:25,368 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 17:47:25,377 INFO L202 MainTranslator]: Completed pre-run [2024-08-23 17:47:25,389 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-C-DAC/pthread-demo-datarace-3.i[818,831] Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 17:47:25,470 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 17:47:25,530 INFO L206 MainTranslator]: Completed translation [2024-08-23 17:47:25,531 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25 WrapperNode [2024-08-23 17:47:25,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 17:47:25,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 17:47:25,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 17:47:25,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 17:47:25,537 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 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,555 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 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,581 INFO L138 Inliner]: procedures = 364, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-08-23 17:47:25,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 17:47:25,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 17:47:25,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 17:47:25,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 17:47:25,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 17:47:25,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 17:47:25,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 17:47:25,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 17:47:25,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (1/1) ... [2024-08-23 17:47:25,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 17:47:25,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 17:47:25,641 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) [2024-08-23 17:47:25,644 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 [2024-08-23 17:47:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 17:47:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 17:47:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2024-08-23 17:47:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2024-08-23 17:47:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 17:47:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 17:47:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 17:47:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 17:47:25,670 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 17:47:25,781 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 17:47:25,782 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 17:47:25,869 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 17:47:25,869 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 17:47:25,943 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 17:47:25,943 INFO L319 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-23 17:47:25,943 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:47:25 BoogieIcfgContainer [2024-08-23 17:47:25,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 17:47:25,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 17:47:25,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 17:47:25,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 17:47:25,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 05:47:24" (1/4) ... [2024-08-23 17:47:25,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b58707a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:47:25, skipping insertion in model container [2024-08-23 17:47:25,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 05:47:24" (2/4) ... [2024-08-23 17:47:25,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b58707a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 05:47:25, skipping insertion in model container [2024-08-23 17:47:25,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 05:47:25" (3/4) ... [2024-08-23 17:47:25,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b58707a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 05:47:25, skipping insertion in model container [2024-08-23 17:47:25,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:47:25" (4/4) ... [2024-08-23 17:47:25,955 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2024-08-23 17:47:25,968 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 17:47:25,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-23 17:47:25,968 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 17:47:25,999 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-08-23 17:47:26,033 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 17:47:26,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 17:47:26,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 17:47:26,035 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) [2024-08-23 17:47:26,050 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 [2024-08-23 17:47:26,077 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 17:47:26,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_function_dataraceThread1of1ForFork0 ======== [2024-08-23 17:47:26,094 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;@2f49817b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 17:47:26,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-23 17:47:26,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_function_dataraceErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 17:47:26,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash -853709760, now seen corresponding path program 1 times [2024-08-23 17:47:26,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:26,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993875541] [2024-08-23 17:47:26,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:26,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:26,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:26,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993875541] [2024-08-23 17:47:26,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993875541] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 17:47:26,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 17:47:26,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-23 17:47:26,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187766036] [2024-08-23 17:47:26,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 17:47:26,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 17:47:26,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 17:47:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 17:47:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:26,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 17:47:26,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:26,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 17:47:26,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thread_function_dataraceErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-23 17:47:26,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:26,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1220506185, now seen corresponding path program 1 times [2024-08-23 17:47:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103971752] [2024-08-23 17:47:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:26,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:26,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103971752] [2024-08-23 17:47:26,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103971752] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 17:47:26,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 17:47:26,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 17:47:26,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737769706] [2024-08-23 17:47:26,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 17:47:26,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 17:47:26,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:26,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 17:47:26,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-23 17:47:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:26,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-08-23 17:47:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:26,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 17:47:26,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-23 17:47:26,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-08-23 17:47:26,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 17:47:26,718 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-23 17:47:26,719 INFO L308 ceAbstractionStarter]: Result for error location thread_function_dataraceThread1of1ForFork0 was SAFE,SAFE (1/2) [2024-08-23 17:47:26,722 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 17:47:26,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 17:47:26,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 17:47:26,726 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) [2024-08-23 17:47:26,728 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 [2024-08-23 17:47:26,730 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 17:47:26,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 17:47:26,731 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;@2f49817b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 17:47:26,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-23 17:47:26,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 17:47:26,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:26,757 INFO L85 PathProgramCache]: Analyzing trace with hash -76319005, now seen corresponding path program 1 times [2024-08-23 17:47:26,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:26,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950293200] [2024-08-23 17:47:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:26,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:26,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950293200] [2024-08-23 17:47:26,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950293200] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 17:47:26,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 17:47:26,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 17:47:26,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738477556] [2024-08-23 17:47:26,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 17:47:26,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 17:47:26,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:26,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 17:47:26,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 17:47:26,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:26,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-08-23 17:47:26,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:26,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 17:47:26,841 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 17:47:26,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:26,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1525290699, now seen corresponding path program 1 times [2024-08-23 17:47:26,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:26,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241165589] [2024-08-23 17:47:26,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:26,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:26,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:26,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241165589] [2024-08-23 17:47:26,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241165589] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 17:47:26,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 17:47:26,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 17:47:26,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557076065] [2024-08-23 17:47:26,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 17:47:26,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 17:47:26,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:26,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 17:47:26,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-23 17:47:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:26,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:26,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 17:47:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-23 17:47:27,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 17:47:27,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1821072451, now seen corresponding path program 1 times [2024-08-23 17:47:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:27,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211671281] [2024-08-23 17:47:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:27,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:27,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:27,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211671281] [2024-08-23 17:47:27,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211671281] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 17:47:27,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700605966] [2024-08-23 17:47:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:27,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 17:47:27,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 17:47:27,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 17:47:27,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 17:47:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:27,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 17:47:27,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 17:47:27,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:27,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 17:47:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:27,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700605966] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 17:47:27,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 17:47:27,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-08-23 17:47:27,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828010492] [2024-08-23 17:47:27,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 17:47:27,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 17:47:27,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:27,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 17:47:27,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-08-23 17:47:27,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:27,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:27,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 17:47:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:27,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:27,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 17:47:27,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 17:47:27,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 17:47:27,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:27,519 INFO L85 PathProgramCache]: Analyzing trace with hash 126906040, now seen corresponding path program 2 times [2024-08-23 17:47:27,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:27,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596165286] [2024-08-23 17:47:27,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:27,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:27,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:27,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596165286] [2024-08-23 17:47:27,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596165286] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 17:47:27,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293985498] [2024-08-23 17:47:27,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 17:47:27,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 17:47:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 17:47:27,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 17:47:27,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-23 17:47:27,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 17:47:27,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 17:47:27,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-23 17:47:27,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 17:47:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:27,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 17:47:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:27,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293985498] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 17:47:27,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 17:47:27,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-08-23 17:47:27,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286923555] [2024-08-23 17:47:27,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 17:47:27,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-23 17:47:27,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:27,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-23 17:47:27,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-08-23 17:47:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:27,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:27,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 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) [2024-08-23 17:47:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 17:47:28,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-23 17:47:28,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 17:47:28,192 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 17:47:28,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:28,192 INFO L85 PathProgramCache]: Analyzing trace with hash 609452462, now seen corresponding path program 3 times [2024-08-23 17:47:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:28,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693031117] [2024-08-23 17:47:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 17:47:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 10 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:28,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 17:47:28,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693031117] [2024-08-23 17:47:28,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693031117] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 17:47:28,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662414476] [2024-08-23 17:47:28,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 17:47:28,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 17:47:28,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 17:47:28,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 17:47:28,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-23 17:47:28,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-08-23 17:47:28,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 17:47:28,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-23 17:47:28,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 17:47:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 10 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:28,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 17:47:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 10 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 17:47:28,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662414476] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 17:47:28,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 17:47:28,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2024-08-23 17:47:28,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846421117] [2024-08-23 17:47:28,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 17:47:28,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-23 17:47:28,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 17:47:28,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-23 17:47:28,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-08-23 17:47:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:28,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 17:47:28,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.478260869565218) internal successors, (172), 23 states have internal predecessors, (172), 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) [2024-08-23 17:47:28,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:28,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:28,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:28,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 17:47:28,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 17:47:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 17:47:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 17:47:29,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 17:47:29,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-23 17:47:29,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-23 17:47:29,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-23 17:47:29,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 17:47:29,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 17:47:29,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1019293368, now seen corresponding path program 4 times [2024-08-23 17:47:29,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 17:47:29,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071485508] [2024-08-23 17:47:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 17:47:29,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 17:47:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 17:47:29,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-23 17:47:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 17:47:29,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-23 17:47:29,428 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-23 17:47:29,428 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-08-23 17:47:29,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-23 17:47:29,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-23 17:47:29,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-23 17:47:29,431 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-08-23 17:47:29,431 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2024-08-23 17:47:29,434 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 17:47:29,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 17:47:29,535 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-08-23 17:47:29,536 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-08-23 17:47:29,537 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 05:47:29 BasicIcfg [2024-08-23 17:47:29,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 17:47:29,537 INFO L158 Benchmark]: Toolchain (without parser) took 4559.42ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 125.6MB in the beginning and 126.2MB in the end (delta: -613.1kB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2024-08-23 17:47:29,537 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 17:47:29,538 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 153.1MB. Free memory was 124.9MB in the beginning and 124.9MB in the end (delta: 19.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 17:47:29,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.58ms. Allocated memory is still 153.1MB. Free memory was 124.5MB in the beginning and 80.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-08-23 17:47:29,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.88ms. Allocated memory is still 153.1MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-23 17:47:29,538 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 153.1MB. Free memory was 77.3MB in the beginning and 76.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 17:47:29,538 INFO L158 Benchmark]: RCFGBuilder took 332.76ms. Allocated memory is still 153.1MB. Free memory was 76.3MB in the beginning and 54.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-23 17:47:29,538 INFO L158 Benchmark]: TraceAbstraction took 3592.53ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 53.2MB in the beginning and 126.2MB in the end (delta: -73.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-08-23 17:47:29,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 153.1MB. Free memory was 124.9MB in the beginning and 124.9MB in the end (delta: 19.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.58ms. Allocated memory is still 153.1MB. Free memory was 124.5MB in the beginning and 80.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.88ms. Allocated memory is still 153.1MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 153.1MB. Free memory was 77.3MB in the beginning and 76.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.76ms. Allocated memory is still 153.1MB. Free memory was 76.3MB in the beginning and 54.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3592.53ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 53.2MB in the beginning and 126.2MB in the end (delta: -73.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 337, independent: 272, independent conditional: 123, independent unconditional: 149, dependent: 65, dependent conditional: 61, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 283, independent: 272, independent conditional: 123, independent unconditional: 149, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 283, independent: 272, independent conditional: 123, independent unconditional: 149, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 293, independent: 272, independent conditional: 1, independent unconditional: 271, dependent: 21, dependent conditional: 9, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 293, independent: 272, independent conditional: 1, independent unconditional: 271, dependent: 21, dependent conditional: 9, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 293, independent: 272, independent conditional: 1, independent unconditional: 271, dependent: 21, dependent conditional: 9, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 128, independent: 114, independent conditional: 1, independent unconditional: 113, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 128, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 24, independent conditional: 1, independent unconditional: 22, dependent: 30, dependent conditional: 23, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 293, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 128, unknown conditional: 10, unknown unconditional: 118] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 114, Positive conditional cache size: 1, Positive unconditional cache size: 113, Negative cache size: 14, Negative conditional cache size: 9, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 43, Number of trivial persistent sets: 37, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 337, independent: 272, independent conditional: 123, independent unconditional: 149, dependent: 65, dependent conditional: 61, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 283, independent: 272, independent conditional: 123, independent unconditional: 149, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 283, independent: 272, independent conditional: 123, independent unconditional: 149, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 293, independent: 272, independent conditional: 1, independent unconditional: 271, dependent: 21, dependent conditional: 9, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 293, independent: 272, independent conditional: 1, independent unconditional: 271, dependent: 21, dependent conditional: 9, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 293, independent: 272, independent conditional: 1, independent unconditional: 271, dependent: 21, dependent conditional: 9, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 128, independent: 114, independent conditional: 1, independent unconditional: 113, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 128, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 1, independent unconditional: 5, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 24, independent conditional: 1, independent unconditional: 22, dependent: 30, dependent conditional: 23, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 293, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 128, unknown conditional: 10, unknown unconditional: 118] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 114, Positive conditional cache size: 1, Positive unconditional cache size: 113, Negative cache size: 14, Negative conditional cache size: 9, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 2, Independence queries for same thread: 54 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1378, independent: 991, independent conditional: 854, independent unconditional: 137, dependent: 387, dependent conditional: 383, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 997, independent: 991, independent conditional: 854, independent unconditional: 137, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 997, independent: 991, independent conditional: 854, independent unconditional: 137, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 999, independent: 991, independent conditional: 0, independent unconditional: 991, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 999, independent: 991, independent conditional: 0, independent unconditional: 991, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 999, independent: 991, independent conditional: 0, independent unconditional: 991, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 999, independent: 884, independent conditional: 0, independent unconditional: 884, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 113, unknown conditional: 2, unknown unconditional: 111] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 6, Negative conditional cache size: 2, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 381 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 33, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1378, independent: 991, independent conditional: 854, independent unconditional: 137, dependent: 387, dependent conditional: 383, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 997, independent: 991, independent conditional: 854, independent unconditional: 137, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 997, independent: 991, independent conditional: 854, independent unconditional: 137, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 999, independent: 991, independent conditional: 0, independent unconditional: 991, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 999, independent: 991, independent conditional: 0, independent unconditional: 991, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 999, independent: 991, independent conditional: 0, independent unconditional: 991, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 999, independent: 884, independent conditional: 0, independent unconditional: 884, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 113, unknown conditional: 2, unknown unconditional: 111] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 6, Negative conditional cache size: 2, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 381 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1320] 0 int myglobal; [L1321] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1340] 0 pthread_t mythread; [L1341] 0 int i; [L1342] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [\old(arg)={0:0}, myglobal=0, mythread=0] [L1324] 1 int i,j; [L1325] 1 i=0 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0] [L1342] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))) [L1352] 0 i=0 VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=0, j=0, myglobal=0] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=0, j=1, myglobal=1] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=1, j=1, myglobal=1] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=1, j=1, myglobal=1, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=1, j=1, myglobal=2, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=1, i=1, j=1, myglobal=2, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=1, j=1, myglobal=2] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=1, j=2, myglobal=2] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=1, j=3, myglobal=3] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=2, j=3, myglobal=3] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=1, i=2, j=3, myglobal=3, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=1, i=2, j=3, myglobal=4, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=2, i=2, j=3, myglobal=4, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=2, j=3, myglobal=4] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=2, j=4, myglobal=4] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=2, j=5, myglobal=5] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=3, j=5, myglobal=5] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=2, i=3, j=5, myglobal=5, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=2, i=3, j=5, myglobal=6, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=3, i=3, j=5, myglobal=6, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=3, j=5, myglobal=6] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=3, j=6, myglobal=6] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=3, j=7, myglobal=7] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=4, j=7, myglobal=7] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=3, i=4, j=7, myglobal=7, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=3, i=4, j=7, myglobal=8, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=4, i=4, j=7, myglobal=8, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=4, j=7, myglobal=8] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=4, j=8, myglobal=8] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=4, j=9, myglobal=9] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=5, j=9, myglobal=9] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=4, i=5, j=9, myglobal=9, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=4, i=5, j=9, myglobal=10, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=5, i=5, j=9, myglobal=10, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=5, j=9, myglobal=10] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=5, j=10, myglobal=10] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=5, j=11, myglobal=11] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=6, j=11, myglobal=11] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=5, i=6, j=11, myglobal=11, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=5, i=6, j=11, myglobal=12, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=6, i=6, j=11, myglobal=12, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=6, j=11, myglobal=12] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=6, j=12, myglobal=12] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=6, j=13, myglobal=13] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=7, j=13, myglobal=13] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=6, i=7, j=13, myglobal=13, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=6, i=7, j=13, myglobal=14, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=7, i=7, j=13, myglobal=14, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=7, j=13, myglobal=14] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=7, j=14, myglobal=14] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=7, j=15, myglobal=15] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=8, j=15, myglobal=15] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=7, i=8, j=15, myglobal=15, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=7, i=8, j=15, myglobal=16, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=8, i=8, j=15, myglobal=16, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=8, j=15, myglobal=16] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=8, j=16, myglobal=16] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=8, j=17, myglobal=17] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=9, j=17, myglobal=17] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=8, i=9, j=17, myglobal=17, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=8, i=9, j=17, myglobal=18, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=9, i=9, j=17, myglobal=18, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=9, j=17, myglobal=18] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=9, j=18, myglobal=18] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=9, j=19, myglobal=19] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=10, j=19, myglobal=19] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=10, i=9, j=19, myglobal=19, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=10, i=9, j=19, myglobal=20, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=10, i=10, j=19, myglobal=20, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=10, j=19, myglobal=20] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=10, j=20, myglobal=20] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=10, j=21, myglobal=21] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=11, j=21, myglobal=21] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=10, i=11, j=21, myglobal=21, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=10, i=11, j=21, myglobal=22, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=11, i=11, j=21, myglobal=22, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=11, j=21, myglobal=22] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=11, j=22, myglobal=22] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=11, j=23, myglobal=23] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=12, j=23, myglobal=23] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=11, i=12, j=23, myglobal=23, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=11, i=12, j=23, myglobal=24, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=12, i=12, j=23, myglobal=24, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=12, j=23, myglobal=24] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=12, j=24, myglobal=24] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=12, j=25, myglobal=25] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=13, j=25, myglobal=25] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=12, i=13, j=25, myglobal=25, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=12, i=13, j=25, myglobal=26, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=13, i=13, j=25, myglobal=26, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=13, j=25, myglobal=26] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=13, j=26, myglobal=26] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=13, j=27, myglobal=27] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=14, j=27, myglobal=27] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=13, i=14, j=27, myglobal=27, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=13, i=14, j=27, myglobal=28, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=14, i=14, j=27, myglobal=28, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=14, j=27, myglobal=28] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=14, j=28, myglobal=28] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=14, j=29, myglobal=29] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=15, j=29, myglobal=29] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=14, i=15, j=29, myglobal=29, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=14, i=15, j=29, myglobal=30, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=15, i=15, j=29, myglobal=30, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=15, j=29, myglobal=30] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=15, j=30, myglobal=30] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=15, j=31, myglobal=31] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=16, j=31, myglobal=31] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=15, i=16, j=31, myglobal=31, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=15, i=16, j=31, myglobal=32, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=16, i=16, j=31, myglobal=32, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=16, j=31, myglobal=32] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=16, j=32, myglobal=32] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=16, j=33, myglobal=33] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=17, j=33, myglobal=33] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=16, i=17, j=33, myglobal=33, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=16, i=17, j=33, myglobal=34, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=17, i=17, j=33, myglobal=34, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=17, j=33, myglobal=34] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=17, j=34, myglobal=34] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=17, j=35, myglobal=35] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=18, j=35, myglobal=35] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=17, i=18, j=35, myglobal=35, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=17, i=18, j=35, myglobal=36, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=18, i=18, j=35, myglobal=36, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=18, j=35, myglobal=36] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=18, j=36, myglobal=36] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=18, j=37, myglobal=37] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=19, j=37, myglobal=37] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=18, i=19, j=37, myglobal=37, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=18, i=19, j=37, myglobal=38, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=19, i=19, j=37, myglobal=38, mythread=0] [L1325] COND TRUE 1 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=19, j=37, myglobal=38] [L1328] 1 //@ assert (0 <= myglobal); [L1328] 1 j=myglobal VAL [\old(arg)={0:0}, arg={0:0}, i=19, j=38, myglobal=38] [L1330] 1 j=j+1 [L1333] 1 //@ assert (0 <= myglobal); [L1333] 1 myglobal=j VAL [\old(arg)={0:0}, arg={0:0}, i=19, j=39, myglobal=39] [L1325] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=20, j=39, myglobal=39] [L1352] COND TRUE 0 i<20 VAL [\old(arg)={0:0}, arg={0:0}, i=19, i=20, j=39, myglobal=39, mythread=0] [L1355] 0 //@ assert (0 <= myglobal); [L1355] 0 myglobal=myglobal+1 VAL [\old(arg)={0:0}, arg={0:0}, i=19, i=20, j=39, myglobal=40, mythread=0] [L1352] 0 i++ VAL [\old(arg)={0:0}, arg={0:0}, i=20, i=20, j=39, myglobal=40, mythread=0] [L1325] COND FALSE 1 !(i<20) [L1336] 1 return ((void *)0); [L1352] COND FALSE 0 !(i<20) VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, i=20, i=20, j=39, myglobal=40, mythread=0] [L1358] FCALL, JOIN 1 pthread_join ( mythread, ((void *)0) ) VAL [\old(arg)={0:0}, \result={0:0}, arg={0:0}, i=20, i=20, j=39, myglobal=40, mythread=0] [L1358] COND FALSE 0 !(pthread_join ( mythread, ((void *)0) )) [L1362] CALL 0 __VERIFIER_assert(myglobal != 40) [L13] COND TRUE 0 !(cond) VAL [\old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, i=20, j=39, myglobal=40] [L13] 0 reach_error() VAL [\old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, i=20, j=39, myglobal=40] - UnprovableResult [Line: 1355]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1342]: 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: thread_function_dataraceThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 33 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 3 procedures, 33 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 1.0s InterpolantComputationTime, 489 NumberOfCodeBlocks, 489 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 458 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 468 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 45/1314 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! [2024-08-23 17:47:29,569 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 [2024-08-23 17:47:29,768 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 [2024-08-23 17:47:29,969 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