./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.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/popl20-more-buffer-series2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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/popl20-more-buffer-series2.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-more-buffer-series2.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-76401ed-m [2024-06-20 18:14:29,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 18:14:29,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 18:14:29,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 18:14:29,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 18:14:29,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 18:14:29,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 18:14:29,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 18:14:29,429 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 18:14:29,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 18:14:29,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 18:14:29,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 18:14:29,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 18:14:29,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 18:14:29,437 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 18:14:29,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 18:14:29,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 18:14:29,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 18:14:29,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 18:14:29,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 18:14:29,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 18:14:29,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 18:14:29,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 18:14:29,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 18:14:29,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 18:14:29,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 18:14:29,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 18:14:29,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 18:14:29,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 18:14:29,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 18:14:29,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 18:14:29,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 18:14:29,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:14:29,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 18:14:29,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 18:14:29,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 18:14:29,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 18:14:29,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 18:14:29,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 18:14:29,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 18:14:29,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 18:14:29,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 18:14:29,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 18:14:29,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 18:14:29,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 18:14:29,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 18:14:29,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 18:14:29,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 18:14:29,729 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 18:14:29,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-06-20 18:14:30,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 18:14:31,037 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 18:14:31,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-06-20 18:14:31,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed650c94d/d721130c579c455e88f32c95e9449e49/FLAG550e6d855 [2024-06-20 18:14:31,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed650c94d/d721130c579c455e88f32c95e9449e49 [2024-06-20 18:14:31,062 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 18:14:31,064 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 18:14:31,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-more-buffer-series2.wvr.yml/witness.yml [2024-06-20 18:14:31,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 18:14:31,204 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 18:14:31,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 18:14:31,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 18:14:31,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 18:14:31,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:14:31" (1/2) ... [2024-06-20 18:14:31,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d812d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:14:31, skipping insertion in model container [2024-06-20 18:14:31,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:14:31" (1/2) ... [2024-06-20 18:14:31,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@178f6c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:14:31, skipping insertion in model container [2024-06-20 18:14:31,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:14:31" (2/2) ... [2024-06-20 18:14:31,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d812d3e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31, skipping insertion in model container [2024-06-20 18:14:31,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:14:31" (2/2) ... [2024-06-20 18:14:31,217 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 18:14:31,250 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 18:14:31,252 INFO L97 edCorrectnessWitness]: Location invariant before [L145-L145] (((! multithreaded || 0 <= i) && (! multithreaded || 0 <= j)) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i) + (long long )q1_front >= 0LL && (2147483648LL + (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )i) + (long long )n1 >= 0LL) && (2147483648LL + (long long )i) + (long long )n2 >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )j) + (long long )n1 >= 0LL) && (2147483648LL + (long long )j) + (long long )n2 >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j)) [2024-06-20 18:14:31,252 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] (((! multithreaded || 0 <= i) && (! multithreaded || 0 <= j)) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i) + (long long )q1_front >= 0LL && (2147483648LL + (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )i) + (long long )n1 >= 0LL) && (2147483648LL + (long long )i) + (long long )n2 >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )j) + (long long )n1 >= 0LL) && (2147483648LL + (long long )j) + (long long )n2 >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j)) [2024-06-20 18:14:31,252 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] (((! multithreaded || 0 <= i) && (! multithreaded || 0 <= j)) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i) + (long long )q1_front >= 0LL && (2147483648LL + (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )i) + (long long )n1 >= 0LL) && (2147483648LL + (long long )i) + (long long )n2 >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )j) + (long long )n1 >= 0LL) && (2147483648LL + (long long )j) + (long long )n2 >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j)) [2024-06-20 18:14:31,253 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] (((! multithreaded || 0 <= i) && (! multithreaded || 0 <= j)) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i) + (long long )q1_front >= 0LL && (2147483648LL + (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )i) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )i) + (long long )n1 >= 0LL) && (2147483648LL + (long long )i) + (long long )n2 >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )j) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )j) + (long long )n1 >= 0LL) && (2147483648LL + (long long )j) + (long long )n2 >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j)) [2024-06-20 18:14:31,253 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 18:14:31,254 INFO L106 edCorrectnessWitness]: ghost_update [L141-L141] multithreaded = 1; [2024-06-20 18:14:31,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 18:14:31,518 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:14:31,527 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-20 18:14:31,709 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:14:31,733 INFO L206 MainTranslator]: Completed translation [2024-06-20 18:14:31,734 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31 WrapperNode [2024-06-20 18:14:31,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 18:14:31,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 18:14:31,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 18:14:31,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 18:14:31,742 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 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,755 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 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,801 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 345 [2024-06-20 18:14:31,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 18:14:31,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 18:14:31,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 18:14:31,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 18:14:31,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,850 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [2, 10]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-06-20 18:14:31,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 18:14:31,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 18:14:31,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 18:14:31,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 18:14:31,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (1/1) ... [2024-06-20 18:14:31,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:14:31,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:14:31,917 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) [2024-06-20 18:14:31,928 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 [2024-06-20 18:14:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 18:14:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-20 18:14:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-20 18:14:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-20 18:14:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-20 18:14:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-20 18:14:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-20 18:14:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-20 18:14:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-20 18:14:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-20 18:14:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-20 18:14:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-20 18:14:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-20 18:14:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 18:14:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 18:14:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-20 18:14:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-20 18:14:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-20 18:14:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 18:14:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 18:14:31,972 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 18:14:32,106 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 18:14:32,108 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 18:14:32,775 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 18:14:32,775 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 18:14:33,119 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 18:14:33,119 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-06-20 18:14:33,120 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:14:33 BoogieIcfgContainer [2024-06-20 18:14:33,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 18:14:33,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 18:14:33,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 18:14:33,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 18:14:33,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 06:14:31" (1/4) ... [2024-06-20 18:14:33,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e462da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:14:33, skipping insertion in model container [2024-06-20 18:14:33,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:14:31" (2/4) ... [2024-06-20 18:14:33,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e462da1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:14:33, skipping insertion in model container [2024-06-20 18:14:33,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:14:31" (3/4) ... [2024-06-20 18:14:33,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e462da1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:14:33, skipping insertion in model container [2024-06-20 18:14:33,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:14:33" (4/4) ... [2024-06-20 18:14:33,130 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2024-06-20 18:14:33,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 18:14:33,149 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-06-20 18:14:33,150 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 18:14:33,237 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-06-20 18:14:33,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 57 transitions, 142 flow [2024-06-20 18:14:33,337 INFO L124 PetriNetUnfolderBase]: 7/53 cut-off events. [2024-06-20 18:14:33,338 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-20 18:14:33,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 53 events. 7/53 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-06-20 18:14:33,342 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 57 transitions, 142 flow [2024-06-20 18:14:33,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 51 transitions, 123 flow [2024-06-20 18:14:33,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 18:14:33,372 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;@5d4d8f06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 18:14:33,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-06-20 18:14:33,382 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 18:14:33,382 INFO L124 PetriNetUnfolderBase]: 3/12 cut-off events. [2024-06-20 18:14:33,382 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 18:14:33,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:14:33,383 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:14:33,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-06-20 18:14:33,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:14:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1687745811, now seen corresponding path program 1 times [2024-06-20 18:14:33,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:14:33,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377246181] [2024-06-20 18:14:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:33,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:14:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:35,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:14:35,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377246181] [2024-06-20 18:14:35,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377246181] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:14:35,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:14:35,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 18:14:35,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843302703] [2024-06-20 18:14:35,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:14:35,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 18:14:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:35,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 18:14:35,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-06-20 18:14:35,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 57 [2024-06-20 18:14:35,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 123 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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) [2024-06-20 18:14:35,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:35,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 57 [2024-06-20 18:14:35,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:36,659 INFO L124 PetriNetUnfolderBase]: 2112/3302 cut-off events. [2024-06-20 18:14:36,659 INFO L125 PetriNetUnfolderBase]: For 193/193 co-relation queries the response was YES. [2024-06-20 18:14:36,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6319 conditions, 3302 events. 2112/3302 cut-off events. For 193/193 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 19269 event pairs, 556 based on Foata normal form. 68/3121 useless extension candidates. Maximal degree in co-relation 4513. Up to 2047 conditions per place. [2024-06-20 18:14:36,688 INFO L140 encePairwiseOnDemand]: 46/57 looper letters, 70 selfloop transitions, 8 changer transitions 4/100 dead transitions. [2024-06-20 18:14:36,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 100 transitions, 424 flow [2024-06-20 18:14:36,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-20 18:14:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-20 18:14:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 198 transitions. [2024-06-20 18:14:36,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6947368421052632 [2024-06-20 18:14:36,705 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 123 flow. Second operand 5 states and 198 transitions. [2024-06-20 18:14:36,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 100 transitions, 424 flow [2024-06-20 18:14:36,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 100 transitions, 387 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-20 18:14:36,720 INFO L231 Difference]: Finished difference. Result has 57 places, 56 transitions, 166 flow [2024-06-20 18:14:36,722 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=166, PETRI_PLACES=57, PETRI_TRANSITIONS=56} [2024-06-20 18:14:36,725 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 0 predicate places. [2024-06-20 18:14:36,726 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 56 transitions, 166 flow [2024-06-20 18:14:36,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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) [2024-06-20 18:14:36,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:14:36,726 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:14:36,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 18:14:36,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-06-20 18:14:36,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:14:36,728 INFO L85 PathProgramCache]: Analyzing trace with hash -782083222, now seen corresponding path program 1 times [2024-06-20 18:14:36,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:14:36,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045552436] [2024-06-20 18:14:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:36,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:14:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:38,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:14:38,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045552436] [2024-06-20 18:14:38,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045552436] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-20 18:14:38,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062345054] [2024-06-20 18:14:38,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:14:38,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:38,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:14:38,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-06-20 18:14:38,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-20 18:14:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:14:38,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 35 conjunts are in the unsatisfiable core [2024-06-20 18:14:38,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-20 18:14:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:39,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-20 18:14:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062345054] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-20 18:14:42,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-20 18:14:42,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-20 18:14:42,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860524147] [2024-06-20 18:14:42,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-20 18:14:42,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-20 18:14:42,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:42,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-20 18:14:42,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-06-20 18:14:43,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 57 [2024-06-20 18:14:43,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 56 transitions, 166 flow. Second operand has 17 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 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) [2024-06-20 18:14:43,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:43,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 57 [2024-06-20 18:14:43,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:44,190 INFO L124 PetriNetUnfolderBase]: 1499/2523 cut-off events. [2024-06-20 18:14:44,190 INFO L125 PetriNetUnfolderBase]: For 775/775 co-relation queries the response was YES. [2024-06-20 18:14:44,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5634 conditions, 2523 events. 1499/2523 cut-off events. For 775/775 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 16328 event pairs, 1025 based on Foata normal form. 239/2556 useless extension candidates. Maximal degree in co-relation 3793. Up to 1869 conditions per place. [2024-06-20 18:14:44,202 INFO L140 encePairwiseOnDemand]: 44/57 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-06-20 18:14:44,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 78 transitions, 348 flow [2024-06-20 18:14:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 18:14:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 18:14:44,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 240 transitions. [2024-06-20 18:14:44,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5263157894736842 [2024-06-20 18:14:44,205 INFO L175 Difference]: Start difference. First operand has 57 places, 56 transitions, 166 flow. Second operand 8 states and 240 transitions. [2024-06-20 18:14:44,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 78 transitions, 348 flow [2024-06-20 18:14:44,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 78 transitions, 344 flow, removed 2 selfloop flow, removed 0 redundant places. [2024-06-20 18:14:44,208 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2024-06-20 18:14:44,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2024-06-20 18:14:44,209 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2024-06-20 18:14:44,209 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2024-06-20 18:14:44,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 23.41176470588235) internal successors, (398), 17 states have internal predecessors, (398), 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) [2024-06-20 18:14:44,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-06-20 18:14:44,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-06-20 18:14:44,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-06-20 18:14:44,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-06-20 18:14:44,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-06-20 18:14:44,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-06-20 18:14:44,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-06-20 18:14:44,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-06-20 18:14:44,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-20 18:14:44,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:44,428 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-20 18:14:44,432 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 18:14:44,432 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 18:14:44,438 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-06-20 18:14:44,438 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-06-20 18:14:44,439 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 06:14:44 BasicIcfg [2024-06-20 18:14:44,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 18:14:44,440 INFO L158 Benchmark]: Toolchain (without parser) took 13235.87ms. Allocated memory was 142.6MB in the beginning and 396.4MB in the end (delta: 253.8MB). Free memory was 68.0MB in the beginning and 135.2MB in the end (delta: -67.2MB). Peak memory consumption was 189.6MB. Max. memory is 16.1GB. [2024-06-20 18:14:44,440 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:14:44,444 INFO L158 Benchmark]: Witness Parser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:14:44,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.67ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 96.5MB in the end (delta: -28.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-06-20 18:14:44,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.31ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 91.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:44,446 INFO L158 Benchmark]: Boogie Preprocessor took 76.46ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 87.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:44,446 INFO L158 Benchmark]: RCFGBuilder took 1241.63ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 69.3MB in the end (delta: 18.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-06-20 18:14:44,449 INFO L158 Benchmark]: TraceAbstraction took 11315.60ms. Allocated memory was 142.6MB in the beginning and 396.4MB in the end (delta: 253.8MB). Free memory was 69.0MB in the beginning and 135.2MB in the end (delta: -66.2MB). Peak memory consumption was 190.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:44,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.67ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 96.5MB in the end (delta: -28.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.31ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 91.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.46ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 87.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1241.63ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 69.3MB in the end (delta: 18.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11315.60ms. Allocated memory was 142.6MB in the beginning and 396.4MB in the end (delta: 253.8MB). Free memory was 69.0MB in the beginning and 135.2MB in the end (delta: -66.2MB). Peak memory consumption was 190.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 145]: 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 9 procedures, 79 locations, 8 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: 11.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 404 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 357 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1081 IncrementalHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 0 mSDtfsCounter, 1081 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=1, InterpolantAutomatonStates: 13, 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, 0.2s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 3333 SizeOfPredicates, 3 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-20 18:14:44,499 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