./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/triangular-2.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/triangular-2.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/triangular-2.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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 16:10:59,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 16:10:59,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 16:10:59,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 16:10:59,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 16:10:59,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 16:10:59,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 16:10:59,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 16:10:59,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 16:10:59,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 16:10:59,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 16:10:59,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 16:10:59,982 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 16:10:59,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 16:10:59,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 16:10:59,983 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 16:10:59,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 16:10:59,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 16:10:59,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 16:10:59,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 16:10:59,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 16:10:59,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 16:10:59,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 16:10:59,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 16:10:59,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 16:10:59,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 16:10:59,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 16:10:59,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 16:10:59,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 16:10:59,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 16:10:59,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 16:10:59,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 16:10:59,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 16:10:59,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 16:10:59,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 16:10:59,991 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 16:10:59,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 16:10:59,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 16:10:59,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 16:10:59,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 16:10:59,992 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 16:10:59,992 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 16:10:59,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-17 16:11:00,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 16:11:00,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 16:11:00,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 16:11:00,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 16:11:00,222 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 16:11:00,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2024-07-17 16:11:01,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 16:11:01,534 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 16:11:01,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2024-07-17 16:11:01,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c9bcb57c2/1c453d62c4724cf9a3e5ff5e96ab7c38/FLAG1a87722eb [2024-07-17 16:11:01,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c9bcb57c2/1c453d62c4724cf9a3e5ff5e96ab7c38 [2024-07-17 16:11:01,566 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 16:11:01,566 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 16:11:01,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/triangular-2.yml/witness.yml [2024-07-17 16:11:01,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 16:11:01,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 16:11:01,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 16:11:01,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 16:11:01,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 16:11:01,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:11:01" (1/2) ... [2024-07-17 16:11:01,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9d0303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:11:01, skipping insertion in model container [2024-07-17 16:11:01,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:11:01" (1/2) ... [2024-07-17 16:11:01,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a8e2f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:11:01, skipping insertion in model container [2024-07-17 16:11:01,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 04:11:01" (2/2) ... [2024-07-17 16:11:01,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9d0303 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:01, skipping insertion in model container [2024-07-17 16:11:01,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 04:11:01" (2/2) ... [2024-07-17 16:11:01,654 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 16:11:01,675 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 16:11:01,676 INFO L97 edCorrectnessWitness]: Location invariant before [L714-L714] ! multithreaded || (1LL - (long long )i) + (long long )j >= 0LL [2024-07-17 16:11:01,676 INFO L97 edCorrectnessWitness]: Location invariant before [L715-L715] ! multithreaded || (1LL - (long long )i) + (long long )j >= 0LL [2024-07-17 16:11:01,677 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 16:11:01,677 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] multithreaded = 1; [2024-07-17 16:11:01,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 16:11:01,999 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 16:11:02,006 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-17 16:11:02,110 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 16:11:02,163 INFO L206 MainTranslator]: Completed translation [2024-07-17 16:11:02,164 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02 WrapperNode [2024-07-17 16:11:02,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 16:11:02,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 16:11:02,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 16:11:02,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 16:11:02,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,217 INFO L138 Inliner]: procedures = 168, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-07-17 16:11:02,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 16:11:02,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 16:11:02,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 16:11:02,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 16:11:02,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 16:11:02,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 16:11:02,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 16:11:02,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 16:11:02,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (1/1) ... [2024-07-17 16:11:02,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 16:11:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 16:11:02,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 16:11:02,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 16:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-07-17 16:11:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-07-17 16:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-07-17 16:11:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-07-17 16:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-17 16:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 16:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 16:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-17 16:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 16:11:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 16:11:02,504 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 16:11:02,586 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 16:11:02,588 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 16:11:02,706 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 16:11:02,706 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 16:11:02,810 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 16:11:02,811 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-07-17 16:11:02,811 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:11:02 BoogieIcfgContainer [2024-07-17 16:11:02,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 16:11:02,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 16:11:02,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 16:11:02,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 16:11:02,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:11:01" (1/4) ... [2024-07-17 16:11:02,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8423f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:11:02, skipping insertion in model container [2024-07-17 16:11:02,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 04:11:01" (2/4) ... [2024-07-17 16:11:02,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8423f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 04:11:02, skipping insertion in model container [2024-07-17 16:11:02,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 04:11:02" (3/4) ... [2024-07-17 16:11:02,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae8423f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 04:11:02, skipping insertion in model container [2024-07-17 16:11:02,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:11:02" (4/4) ... [2024-07-17 16:11:02,820 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2024-07-17 16:11:02,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 16:11:02,833 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-17 16:11:02,833 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 16:11:02,862 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-17 16:11:02,893 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 16:11:02,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 16:11:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 16:11:02,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 16:11:02,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 16:11:02,926 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 16:11:02,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 16:11:02,944 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;@3f61ec91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 16:11:02,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 16:11:03,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:11:03,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:11:03,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1417983802, now seen corresponding path program 1 times [2024-07-17 16:11:03,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:11:03,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667377478] [2024-07-17 16:11:03,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:11:03,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:11:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:11:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 16:11:03,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:11:03,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667377478] [2024-07-17 16:11:03,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667377478] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:11:03,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:11:03,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 16:11:03,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412709931] [2024-07-17 16:11:03,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:11:03,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 16:11:03,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:11:03,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 16:11:03,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 16:11:03,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:11:03,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:11:03,289 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) [2024-07-17 16:11:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:11:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:11:03,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 16:11:03,431 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 16:11:03,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 16:11:03,432 INFO L85 PathProgramCache]: Analyzing trace with hash 983829226, now seen corresponding path program 1 times [2024-07-17 16:11:03,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 16:11:03,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289208621] [2024-07-17 16:11:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 16:11:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 16:11:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 16:11:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-17 16:11:03,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 16:11:03,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289208621] [2024-07-17 16:11:03,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289208621] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 16:11:03,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 16:11:03,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-17 16:11:03,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776599918] [2024-07-17 16:11:03,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 16:11:03,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 16:11:03,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 16:11:03,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 16:11:03,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 16:11:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:11:03,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 16:11:03,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-17 16:11:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:11:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 16:11:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:11:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 16:11:03,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-17 16:11:03,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 16:11:03,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 16:11:03,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 16:11:03,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-17 16:11:03,549 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-17 16:11:03,551 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 16:11:03,551 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 16:11:03,556 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-17 16:11:03,556 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-17 16:11:03,558 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:11:03 BasicIcfg [2024-07-17 16:11:03,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 16:11:03,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 16:11:03,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 16:11:03,559 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 16:11:03,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:11:02" (4/5) ... [2024-07-17 16:11:03,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 16:11:03,564 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-07-17 16:11:03,564 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-07-17 16:11:03,568 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-07-17 16:11:03,568 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-07-17 16:11:03,568 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-07-17 16:11:03,568 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-07-17 16:11:03,613 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/triangular-2.i-witness.graphml [2024-07-17 16:11:03,615 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/triangular-2.i-witness.yml [2024-07-17 16:11:03,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 16:11:03,616 INFO L158 Benchmark]: Toolchain (without parser) took 1972.22ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 83.5MB in the beginning and 144.7MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 16:11:03,616 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 16:11:03,616 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 16:11:03,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.22ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 83.3MB in the beginning and 178.7MB in the end (delta: -95.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-07-17 16:11:03,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.12ms. Allocated memory is still 213.9MB. Free memory was 178.7MB in the beginning and 176.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 16:11:03,618 INFO L158 Benchmark]: Boogie Preprocessor took 52.11ms. Allocated memory is still 213.9MB. Free memory was 176.5MB in the beginning and 175.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 16:11:03,620 INFO L158 Benchmark]: RCFGBuilder took 541.49ms. Allocated memory is still 213.9MB. Free memory was 175.5MB in the beginning and 154.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-07-17 16:11:03,620 INFO L158 Benchmark]: TraceAbstraction took 744.50ms. Allocated memory is still 213.9MB. Free memory was 154.5MB in the beginning and 147.8MB in the end (delta: 6.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-07-17 16:11:03,620 INFO L158 Benchmark]: Witness Printer took 56.73ms. Allocated memory is still 213.9MB. Free memory was 147.8MB in the beginning and 144.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 16:11:03,622 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 161.5MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.22ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 83.3MB in the beginning and 178.7MB in the end (delta: -95.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.12ms. Allocated memory is still 213.9MB. Free memory was 178.7MB in the beginning and 176.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.11ms. Allocated memory is still 213.9MB. Free memory was 176.5MB in the beginning and 175.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.49ms. Allocated memory is still 213.9MB. Free memory was 175.5MB in the beginning and 154.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 744.50ms. Allocated memory is still 213.9MB. Free memory was 154.5MB in the beginning and 147.8MB in the end (delta: 6.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 56.73ms. Allocated memory is still 213.9MB. Free memory was 147.8MB in the beginning and 144.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 905, independent: 797, independent conditional: 582, independent unconditional: 215, dependent: 108, dependent conditional: 98, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 829, independent: 797, independent conditional: 582, independent unconditional: 215, dependent: 32, dependent conditional: 22, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 829, independent: 797, independent conditional: 582, independent unconditional: 215, dependent: 32, dependent conditional: 22, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 797, independent conditional: 28, independent unconditional: 769, dependent: 83, dependent conditional: 23, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 880, independent: 797, independent conditional: 28, independent unconditional: 769, dependent: 83, dependent conditional: 5, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 880, independent: 797, independent conditional: 28, independent unconditional: 769, dependent: 83, dependent conditional: 5, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, independent: 201, independent conditional: 6, independent unconditional: 195, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 11, independent conditional: 6, independent unconditional: 5, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 11, independent conditional: 6, independent unconditional: 5, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 74, independent conditional: 21, independent unconditional: 53, dependent: 46, dependent conditional: 9, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 880, independent: 596, independent conditional: 22, independent unconditional: 574, dependent: 70, dependent conditional: 2, dependent unconditional: 68, unknown: 214, unknown conditional: 9, unknown unconditional: 205] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 201, Positive conditional cache size: 6, Positive unconditional cache size: 195, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 2, Independence queries for same thread: 76 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 60, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, independent: 215, independent conditional: 0, independent unconditional: 215, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 905, independent: 797, independent conditional: 582, independent unconditional: 215, dependent: 108, dependent conditional: 98, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 829, independent: 797, independent conditional: 582, independent unconditional: 215, dependent: 32, dependent conditional: 22, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 829, independent: 797, independent conditional: 582, independent unconditional: 215, dependent: 32, dependent conditional: 22, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 797, independent conditional: 28, independent unconditional: 769, dependent: 83, dependent conditional: 23, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 880, independent: 797, independent conditional: 28, independent unconditional: 769, dependent: 83, dependent conditional: 5, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 880, independent: 797, independent conditional: 28, independent unconditional: 769, dependent: 83, dependent conditional: 5, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, independent: 201, independent conditional: 6, independent unconditional: 195, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 11, independent conditional: 6, independent unconditional: 5, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 11, independent conditional: 6, independent unconditional: 5, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 74, independent conditional: 21, independent unconditional: 53, dependent: 46, dependent conditional: 9, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 880, independent: 596, independent conditional: 22, independent unconditional: 574, dependent: 70, dependent conditional: 2, dependent unconditional: 68, unknown: 214, unknown conditional: 9, unknown unconditional: 205] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 201, Positive conditional cache size: 6, Positive unconditional cache size: 195, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 2, Independence queries for same thread: 76 - PositiveResult [Line: 714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 715]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 16:11:03,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 16:11:03,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE