./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-parallel-sum-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-parallel-sum-2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_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-bcb38a6-m [2024-06-04 16:25:30,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 16:25:30,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 16:25:30,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 16:25:30,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 16:25:30,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 16:25:30,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 16:25:30,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 16:25:30,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 16:25:30,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 16:25:30,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 16:25:30,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 16:25:30,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 16:25:30,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 16:25:30,866 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 16:25:30,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 16:25:30,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 16:25:30,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 16:25:30,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 16:25:30,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 16:25:30,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 16:25:30,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 16:25:30,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 16:25:30,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 16:25:30,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 16:25:30,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 16:25:30,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 16:25:30,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 16:25:30,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 16:25:30,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 16:25:30,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 16:25:30,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 16:25:30,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 16:25:30,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 16:25:30,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 16:25:30,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 16:25:30,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 16:25:30,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 16:25:30,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 16:25:30,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 16:25:30,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 16:25:30,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 16:25:30,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 16:25:30,876 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 16:25:31,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 16:25:31,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 16:25:31,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 16:25:31,175 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 16:25:31,176 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 16:25:31,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-parallel-sum-2.wvr.yml/witness.yml [2024-06-04 16:25:31,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 16:25:31,269 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 16:25:31,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-06-04 16:25:32,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 16:25:32,680 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 16:25:32,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-06-04 16:25:32,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/736bed1b3/564979fbc3ab4d38a67e5f811d1ce6c9/FLAG4c952443a [2024-06-04 16:25:32,706 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/736bed1b3/564979fbc3ab4d38a67e5f811d1ce6c9 [2024-06-04 16:25:32,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 16:25:32,708 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 16:25:32,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 16:25:32,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 16:25:32,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 16:25:32,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:25:31" (1/2) ... [2024-06-04 16:25:32,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a09b218 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:25:32, skipping insertion in model container [2024-06-04 16:25:32,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:25:31" (1/2) ... [2024-06-04 16:25:32,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@404bc16e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 04:25:32, skipping insertion in model container [2024-06-04 16:25:32,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 04:25:32" (2/2) ... [2024-06-04 16:25:32,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a09b218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:32, skipping insertion in model container [2024-06-04 16:25:32,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 04:25:32" (2/2) ... [2024-06-04 16:25:32,723 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 16:25:32,744 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 16:25:32,745 INFO L97 edCorrectnessWitness]: Location invariant before [L128-L128] ! multithreaded || ((4294967296LL + (long long )i2) + (long long )n >= 0LL && (4294967295LL + (long long )i2) - (long long )n >= 0LL) [2024-06-04 16:25:32,746 INFO L97 edCorrectnessWitness]: Location invariant before [L81-L81] ! multithreaded || ((4294967296LL + (long long )i2) + (long long )n >= 0LL && (4294967295LL + (long long )i2) - (long long )n >= 0LL) [2024-06-04 16:25:32,746 INFO L97 edCorrectnessWitness]: Location invariant before [L127-L127] ! multithreaded || ((4294967296LL + (long long )i2) + (long long )n >= 0LL && (4294967295LL + (long long )i2) - (long long )n >= 0LL) [2024-06-04 16:25:32,746 INFO L97 edCorrectnessWitness]: Location invariant before [L162-L162] ! multithreaded || ((4294967296LL + (long long )i2) + (long long )n >= 0LL && (4294967295LL + (long long )i2) - (long long )n >= 0LL) [2024-06-04 16:25:32,746 INFO L97 edCorrectnessWitness]: Location invariant before [L161-L161] ! multithreaded || ((4294967296LL + (long long )i2) + (long long )n >= 0LL && (4294967295LL + (long long )i2) - (long long )n >= 0LL) [2024-06-04 16:25:32,747 INFO L97 edCorrectnessWitness]: Location invariant before [L82-L82] ! multithreaded || ((4294967296LL + (long long )i2) + (long long )n >= 0LL && (4294967295LL + (long long )i2) - (long long )n >= 0LL) [2024-06-04 16:25:32,747 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 16:25:32,747 INFO L106 edCorrectnessWitness]: ghost_update [L160-L160] multithreaded = 1; [2024-06-04 16:25:32,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 16:25:32,993 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 16:25:33,006 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-04 16:25:33,108 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 16:25:33,129 INFO L206 MainTranslator]: Completed translation [2024-06-04 16:25:33,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33 WrapperNode [2024-06-04 16:25:33,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 16:25:33,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 16:25:33,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 16:25:33,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 16:25:33,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,205 INFO L138 Inliner]: procedures = 28, calls = 59, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 388 [2024-06-04 16:25:33,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 16:25:33,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 16:25:33,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 16:25:33,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 16:25:33,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,253 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-06-04 16:25:33,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 16:25:33,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 16:25:33,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 16:25:33,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 16:25:33,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (1/1) ... [2024-06-04 16:25:33,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 16:25:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 16:25:33,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-04 16:25:33,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-04 16:25:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 16:25:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-04 16:25:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-04 16:25:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-04 16:25:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-04 16:25:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-04 16:25:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-04 16:25:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-04 16:25:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-04 16:25:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-04 16:25:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-04 16:25:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-04 16:25:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-04 16:25:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 16:25:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 16:25:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-04 16:25:33,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-04 16:25:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-04 16:25:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-04 16:25:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-04 16:25:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-04 16:25:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-04 16:25:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 16:25:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 16:25:33,392 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 16:25:33,548 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 16:25:33,550 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 16:25:34,041 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 16:25:34,041 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 16:25:34,534 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 16:25:34,534 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-06-04 16:25:34,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 04:25:34 BoogieIcfgContainer [2024-06-04 16:25:34,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 16:25:34,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 16:25:34,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 16:25:34,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 16:25:34,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 04:25:31" (1/4) ... [2024-06-04 16:25:34,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48906102 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 04:25:34, skipping insertion in model container [2024-06-04 16:25:34,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 04:25:32" (2/4) ... [2024-06-04 16:25:34,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48906102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 04:25:34, skipping insertion in model container [2024-06-04 16:25:34,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 04:25:33" (3/4) ... [2024-06-04 16:25:34,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48906102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 04:25:34, skipping insertion in model container [2024-06-04 16:25:34,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 04:25:34" (4/4) ... [2024-06-04 16:25:34,547 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-06-04 16:25:34,566 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 16:25:34,566 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-04 16:25:34,566 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 16:25:34,675 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-06-04 16:25:34,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 96 transitions, 258 flow [2024-06-04 16:25:34,763 INFO L124 PetriNetUnfolderBase]: 13/80 cut-off events. [2024-06-04 16:25:34,763 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-04 16:25:34,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 80 events. 13/80 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 207 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 89. Up to 3 conditions per place. [2024-06-04 16:25:34,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 96 transitions, 258 flow [2024-06-04 16:25:34,775 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 78 transitions, 201 flow [2024-06-04 16:25:34,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 16:25:34,797 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=PETRI_NET, 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;@5f97f5b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 16:25:34,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-06-04 16:25:34,804 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 16:25:34,804 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2024-06-04 16:25:34,804 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 16:25:34,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 16:25:34,805 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-04 16:25:34,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 17 more)] === [2024-06-04 16:25:34,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 16:25:34,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1722123639, now seen corresponding path program 1 times [2024-06-04 16:25:34,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 16:25:34,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216203958] [2024-06-04 16:25:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 16:25:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 16:25:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 16:25:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 16:25:35,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 16:25:35,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216203958] [2024-06-04 16:25:35,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216203958] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 16:25:35,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 16:25:35,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 16:25:35,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357780995] [2024-06-04 16:25:35,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 16:25:35,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 16:25:35,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 16:25:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 16:25:35,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 16:25:35,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 100 [2024-06-04 16:25:35,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 78 transitions, 201 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-06-04 16:25:35,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 16:25:35,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 100 [2024-06-04 16:25:35,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 16:25:48,706 INFO L124 PetriNetUnfolderBase]: 148857/185627 cut-off events. [2024-06-04 16:25:48,706 INFO L125 PetriNetUnfolderBase]: For 16613/17079 co-relation queries the response was YES. [2024-06-04 16:25:49,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386943 conditions, 185627 events. 148857/185627 cut-off events. For 16613/17079 co-relation queries the response was YES. Maximal size of possible extension queue 4566. Compared 975786 event pairs, 127612 based on Foata normal form. 43318/207497 useless extension candidates. Maximal degree in co-relation 385863. Up to 183992 conditions per place. [2024-06-04 16:25:49,370 INFO L140 encePairwiseOnDemand]: 89/100 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2024-06-04 16:25:49,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 68 transitions, 303 flow [2024-06-04 16:25:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 16:25:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 16:25:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2024-06-04 16:25:49,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36666666666666664 [2024-06-04 16:25:49,389 INFO L175 Difference]: Start difference. First operand has 84 places, 78 transitions, 201 flow. Second operand 3 states and 110 transitions. [2024-06-04 16:25:49,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 68 transitions, 303 flow [2024-06-04 16:25:50,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 68 transitions, 274 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-06-04 16:25:50,214 INFO L231 Difference]: Finished difference. Result has 69 places, 0 transitions, 0 flow [2024-06-04 16:25:50,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=69, PETRI_TRANSITIONS=0} [2024-06-04 16:25:50,219 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -15 predicate places. [2024-06-04 16:25:50,219 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 0 transitions, 0 flow [2024-06-04 16:25:50,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-06-04 16:25:50,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 20 remaining) [2024-06-04 16:25:50,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 20 remaining) [2024-06-04 16:25:50,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 20 remaining) [2024-06-04 16:25:50,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 20 remaining) [2024-06-04 16:25:50,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 20 remaining) [2024-06-04 16:25:50,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 20 remaining) [2024-06-04 16:25:50,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 20 remaining) [2024-06-04 16:25:50,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 20 remaining) [2024-06-04 16:25:50,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 20 remaining) [2024-06-04 16:25:50,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 20 remaining) [2024-06-04 16:25:50,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-06-04 16:25:50,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-06-04 16:25:50,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 20 remaining) [2024-06-04 16:25:50,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 20 remaining) [2024-06-04 16:25:50,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork3Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 20 remaining) [2024-06-04 16:25:50,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork3Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 20 remaining) [2024-06-04 16:25:50,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 20 remaining) [2024-06-04 16:25:50,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 20 remaining) [2024-06-04 16:25:50,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 20 remaining) [2024-06-04 16:25:50,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 20 remaining) [2024-06-04 16:25:50,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 16:25:50,228 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-04 16:25:50,234 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 16:25:50,234 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 16:25:50,238 INFO L507 ceAbstractionStarter]: Automizer considered 6 witness invariants [2024-06-04 16:25:50,239 INFO L508 ceAbstractionStarter]: WitnessConsidered=6 [2024-06-04 16:25:50,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 04:25:50 BasicIcfg [2024-06-04 16:25:50,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 16:25:50,241 INFO L158 Benchmark]: Toolchain (without parser) took 17532.32ms. Allocated memory was 146.8MB in the beginning and 13.7GB in the end (delta: 13.5GB). Free memory was 118.0MB in the beginning and 12.3GB in the end (delta: -12.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-06-04 16:25:50,241 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 16:25:50,241 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 16:25:50,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.29ms. Allocated memory is still 146.8MB. Free memory was 117.5MB in the beginning and 100.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-06-04 16:25:50,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.78ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 97.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 16:25:50,243 INFO L158 Benchmark]: Boogie Preprocessor took 94.31ms. Allocated memory is still 146.8MB. Free memory was 97.7MB in the beginning and 94.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-04 16:25:50,243 INFO L158 Benchmark]: RCFGBuilder took 1233.66ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 94.0MB in the beginning and 155.3MB in the end (delta: -61.3MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-06-04 16:25:50,244 INFO L158 Benchmark]: TraceAbstraction took 15702.33ms. Allocated memory was 192.9MB in the beginning and 13.7GB in the end (delta: 13.5GB). Free memory was 154.3MB in the beginning and 12.3GB in the end (delta: -12.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-06-04 16:25:50,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.29ms. Allocated memory is still 146.8MB. Free memory was 117.5MB in the beginning and 100.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.78ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 97.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.31ms. Allocated memory is still 146.8MB. Free memory was 97.7MB in the beginning and 94.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1233.66ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 94.0MB in the beginning and 155.3MB in the end (delta: -61.3MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * TraceAbstraction took 15702.33ms. Allocated memory was 192.9MB in the beginning and 13.7GB in the end (delta: 13.5GB). Free memory was 154.3MB in the beginning and 12.3GB in the end (delta: -12.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 82]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 161]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 162]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 127]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 128]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 142 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-04 16:25:50,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE