./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.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-mult.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/popl20-more-buffer-mult.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-more-buffer-mult.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 [2024-06-03 22:51:43,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 22:51:44,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 22:51:44,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 22:51:44,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 22:51:44,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 22:51:44,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 22:51:44,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 22:51:44,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 22:51:44,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 22:51:44,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 22:51:44,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 22:51:44,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 22:51:44,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 22:51:44,101 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 22:51:44,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 22:51:44,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 22:51:44,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 22:51:44,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 22:51:44,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 22:51:44,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 22:51:44,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 22:51:44,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 22:51:44,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 22:51:44,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 22:51:44,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 22:51:44,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 22:51:44,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 22:51:44,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 22:51:44,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 22:51:44,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 22:51:44,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 22:51:44,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 22:51:44,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 22:51:44,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 22:51:44,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 22:51:44,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 22:51:44,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 22:51:44,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 22:51:44,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 22:51:44,109 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 22:51:44,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 22:51:44,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 22:51:44,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 22:51:44,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 22:51:44,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 22:51:44,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 22:51:44,369 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 22:51:44,370 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 22:51:44,371 INFO L431 ainManager$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-mult.wvr.yml/witness.yml [2024-06-03 22:51:44,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 22:51:44,566 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 22:51:44,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-06-03 22:51:45,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 22:51:45,994 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 22:51:45,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-06-03 22:51:46,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a44bb1949/84b7c9e952424aa6b6fd668f1a90e9d0/FLAGfd33ec71a [2024-06-03 22:51:46,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a44bb1949/84b7c9e952424aa6b6fd668f1a90e9d0 [2024-06-03 22:51:46,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 22:51:46,362 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 22:51:46,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 22:51:46,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 22:51:46,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 22:51:46,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:51:44" (1/2) ... [2024-06-03 22:51:46,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eeb5cf5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:51:46, skipping insertion in model container [2024-06-03 22:51:46,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:51:44" (1/2) ... [2024-06-03 22:51:46,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2dccfbcb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:51:46, skipping insertion in model container [2024-06-03 22:51:46,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 10:51:46" (2/2) ... [2024-06-03 22:51:46,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eeb5cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46, skipping insertion in model container [2024-06-03 22:51:46,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 10:51:46" (2/2) ... [2024-06-03 22:51:46,375 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 22:51:46,395 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 22:51:46,401 INFO L97 edCorrectnessWitness]: Location invariant before [L145-L145] (((! 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) && (2147483648LL + (long long )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (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) && (4294967296LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )C) + (long long )n1 >= 0LL) && (4294967296LL + (long long )C) + (long long )n2 >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 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) && (4294967295LL - (long long )C) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )n1 >= 0LL) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 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) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 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) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= i) [2024-06-03 22:51:46,402 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] (((! 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) && (2147483648LL + (long long )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (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) && (4294967296LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )C) + (long long )n1 >= 0LL) && (4294967296LL + (long long )C) + (long long )n2 >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 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) && (4294967295LL - (long long )C) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )n1 >= 0LL) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 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) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 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) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= i) [2024-06-03 22:51:46,402 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] (((! 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) && (2147483648LL + (long long )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (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) && (4294967296LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )C) + (long long )n1 >= 0LL) && (4294967296LL + (long long )C) + (long long )n2 >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 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) && (4294967295LL - (long long )C) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )n1 >= 0LL) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 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) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 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) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= i) [2024-06-03 22:51:46,402 INFO L97 edCorrectnessWitness]: Location invariant before [L146-L146] (((! 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) && (2147483648LL + (long long )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (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) && (4294967296LL + (long long )C) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )C) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )C) + (long long )n1 >= 0LL) && (4294967296LL + (long long )C) + (long long )n2 >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 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) && (4294967295LL - (long long )C) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )C) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )n1 >= 0LL) && (4294967295LL - (long long )C) + (long long )n2 >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 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) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 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) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL))) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= i) [2024-06-03 22:51:46,403 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 22:51:46,403 INFO L106 edCorrectnessWitness]: ghost_update [L142-L142] multithreaded = 1; [2024-06-03 22:51:46,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 22:51:46,602 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 22:51:46,611 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 22:51:46,838 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 22:51:46,856 INFO L206 MainTranslator]: Completed translation [2024-06-03 22:51:46,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46 WrapperNode [2024-06-03 22:51:46,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 22:51:46,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 22:51:46,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 22:51:46,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 22:51:46,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,948 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 301 [2024-06-03 22:51:46,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 22:51:46,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 22:51:46,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 22:51:46,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 22:51:46,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,983 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-06-03 22:51:46,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:46,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:47,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:47,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:47,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 22:51:47,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 22:51:47,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 22:51:47,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 22:51:47,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (1/1) ... [2024-06-03 22:51:47,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 22:51:47,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 22:51:47,041 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) [2024-06-03 22:51:47,067 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 [2024-06-03 22:51:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 22:51:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-03 22:51:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-03 22:51:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-03 22:51:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-03 22:51:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-03 22:51:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-03 22:51:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-03 22:51:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-03 22:51:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-03 22:51:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-03 22:51:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-03 22:51:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-03 22:51:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 22:51:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 22:51:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 22:51:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 22:51:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-03 22:51:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 22:51:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 22:51:47,109 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 22:51:47,227 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 22:51:47,229 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 22:51:47,835 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 22:51:47,836 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 22:51:48,185 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 22:51:48,185 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-03 22:51:48,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 10:51:48 BoogieIcfgContainer [2024-06-03 22:51:48,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 22:51:48,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 22:51:48,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 22:51:48,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 22:51:48,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:51:44" (1/4) ... [2024-06-03 22:51:48,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531b2807 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 10:51:48, skipping insertion in model container [2024-06-03 22:51:48,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 10:51:46" (2/4) ... [2024-06-03 22:51:48,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531b2807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 10:51:48, skipping insertion in model container [2024-06-03 22:51:48,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:51:46" (3/4) ... [2024-06-03 22:51:48,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531b2807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 10:51:48, skipping insertion in model container [2024-06-03 22:51:48,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 10:51:48" (4/4) ... [2024-06-03 22:51:48,195 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-06-03 22:51:48,213 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 22:51:48,213 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-06-03 22:51:48,213 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 22:51:48,294 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-06-03 22:51:48,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 54 transitions, 136 flow [2024-06-03 22:51:48,394 INFO L124 PetriNetUnfolderBase]: 6/50 cut-off events. [2024-06-03 22:51:48,394 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-03 22:51:48,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 50 events. 6/50 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 72 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-06-03 22:51:48,399 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 54 transitions, 136 flow [2024-06-03 22:51:48,403 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 48 transitions, 117 flow [2024-06-03 22:51:48,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 22:51:48,426 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;@6ae0f08c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 22:51:48,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-06-03 22:51:48,442 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 22:51:48,442 INFO L124 PetriNetUnfolderBase]: 2/12 cut-off events. [2024-06-03 22:51:48,442 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 22:51:48,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:51:48,443 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:51:48,443 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)] === [2024-06-03 22:51:48,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:51:48,448 INFO L85 PathProgramCache]: Analyzing trace with hash -544026910, now seen corresponding path program 1 times [2024-06-03 22:51:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:51:48,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684978007] [2024-06-03 22:51:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:51:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:51:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:51:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:51:51,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:51:51,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684978007] [2024-06-03 22:51:51,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684978007] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:51:51,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:51:51,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-03 22:51:51,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9222593] [2024-06-03 22:51:51,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:51:51,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-03 22:51:51,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:51:51,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-03 22:51:51,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-03 22:51:51,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 54 [2024-06-03 22:51:51,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-06-03 22:51:51,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:51:51,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 54 [2024-06-03 22:51:51,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:51:52,143 INFO L124 PetriNetUnfolderBase]: 3196/4826 cut-off events. [2024-06-03 22:51:52,143 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-06-03 22:51:52,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9249 conditions, 4826 events. 3196/4826 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 27918 event pairs, 1263 based on Foata normal form. 82/4700 useless extension candidates. Maximal degree in co-relation 5552. Up to 3418 conditions per place. [2024-06-03 22:51:52,186 INFO L140 encePairwiseOnDemand]: 44/54 looper letters, 56 selfloop transitions, 5 changer transitions 2/76 dead transitions. [2024-06-03 22:51:52,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 76 transitions, 320 flow [2024-06-03 22:51:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:51:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:51:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2024-06-03 22:51:52,200 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2024-06-03 22:51:52,202 INFO L175 Difference]: Start difference. First operand has 55 places, 48 transitions, 117 flow. Second operand 5 states and 153 transitions. [2024-06-03 22:51:52,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 76 transitions, 320 flow [2024-06-03 22:51:52,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 76 transitions, 294 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-03 22:51:52,211 INFO L231 Difference]: Finished difference. Result has 55 places, 52 transitions, 147 flow [2024-06-03 22:51:52,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=147, PETRI_PLACES=55, PETRI_TRANSITIONS=52} [2024-06-03 22:51:52,216 INFO L281 CegarLoopForPetriNet]: 55 programPoint places, 0 predicate places. [2024-06-03 22:51:52,216 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 52 transitions, 147 flow [2024-06-03 22:51:52,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-06-03 22:51:52,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:51:52,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:51:52,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 22:51:52,217 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)] === [2024-06-03 22:51:52,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:51:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1366163038, now seen corresponding path program 1 times [2024-06-03 22:51:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:51:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238234182] [2024-06-03 22:51:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:51:52,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:51:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:51:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:51:54,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:51:54,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238234182] [2024-06-03 22:51:54,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238234182] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-03 22:51:54,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724335294] [2024-06-03 22:51:54,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:51:54,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-03 22:51:54,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 22:51:54,228 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) [2024-06-03 22:51:54,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-03 22:51:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:51:54,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 24 conjunts are in the unsatisfiable core [2024-06-03 22:51:54,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-03 22:51:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:51:54,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-03 22:52:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:52:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724335294] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-03 22:52:01,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-03 22:52:01,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-06-03 22:52:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334343267] [2024-06-03 22:52:01,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-03 22:52:01,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-06-03 22:52:01,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:52:01,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-06-03 22:52:01,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-06-03 22:52:01,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 54 [2024-06-03 22:52:01,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 52 transitions, 147 flow. Second operand has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 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) [2024-06-03 22:52:01,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:52:01,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 54 [2024-06-03 22:52:01,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:52:04,829 INFO L124 PetriNetUnfolderBase]: 3455/5428 cut-off events. [2024-06-03 22:52:04,830 INFO L125 PetriNetUnfolderBase]: For 904/904 co-relation queries the response was YES. [2024-06-03 22:52:04,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11099 conditions, 5428 events. 3455/5428 cut-off events. For 904/904 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 34225 event pairs, 1692 based on Foata normal form. 516/5756 useless extension candidates. Maximal degree in co-relation 6337. Up to 3160 conditions per place. [2024-06-03 22:52:04,853 INFO L140 encePairwiseOnDemand]: 42/54 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2024-06-03 22:52:04,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 113 transitions, 496 flow [2024-06-03 22:52:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:52:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:52:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 270 transitions. [2024-06-03 22:52:04,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-06-03 22:52:04,860 INFO L175 Difference]: Start difference. First operand has 55 places, 52 transitions, 147 flow. Second operand 9 states and 270 transitions. [2024-06-03 22:52:04,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 113 transitions, 496 flow [2024-06-03 22:52:04,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 113 transitions, 491 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-06-03 22:52:04,863 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-06-03 22:52:04,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-06-03 22:52:04,864 INFO L281 CegarLoopForPetriNet]: 55 programPoint places, 3 predicate places. [2024-06-03 22:52:04,864 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-06-03 22:52:04,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 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) [2024-06-03 22:52:04,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-06-03 22:52:04,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-06-03 22:52:04,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-06-03 22:52:04,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-06-03 22:52:04,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-06-03 22:52:04,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-06-03 22:52:04,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-06-03 22:52:04,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-06-03 22:52:04,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-03 22:52:05,084 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 [2024-06-03 22:52:05,085 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-03 22:52:05,088 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 22:52:05,088 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 22:52:05,092 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-06-03 22:52:05,092 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-06-03 22:52:05,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 10:52:05 BasicIcfg [2024-06-03 22:52:05,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 22:52:05,094 INFO L158 Benchmark]: Toolchain (without parser) took 18731.44ms. Allocated memory was 144.7MB in the beginning and 727.7MB in the end (delta: 583.0MB). Free memory was 68.9MB in the beginning and 305.8MB in the end (delta: -236.9MB). Peak memory consumption was 422.2MB. Max. memory is 16.1GB. [2024-06-03 22:52:05,094 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 22:52:05,094 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 22:52:05,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.24ms. Allocated memory is still 144.7MB. Free memory was 68.7MB in the beginning and 101.5MB in the end (delta: -32.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-06-03 22:52:05,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.23ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 96.9MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-03 22:52:05,095 INFO L158 Benchmark]: Boogie Preprocessor took 61.53ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 92.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-03 22:52:05,098 INFO L158 Benchmark]: RCFGBuilder took 1174.52ms. Allocated memory is still 144.7MB. Free memory was 92.6MB in the beginning and 82.7MB in the end (delta: 9.9MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-06-03 22:52:05,099 INFO L158 Benchmark]: TraceAbstraction took 16904.34ms. Allocated memory was 144.7MB in the beginning and 727.7MB in the end (delta: 583.0MB). Free memory was 81.5MB in the beginning and 305.8MB in the end (delta: -224.2MB). Peak memory consumption was 432.1MB. Max. memory is 16.1GB. [2024-06-03 22:52:05,110 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 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.24ms. Allocated memory is still 144.7MB. Free memory was 68.7MB in the beginning and 101.5MB in the end (delta: -32.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.23ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 96.9MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.53ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 92.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1174.52ms. Allocated memory is still 144.7MB. Free memory was 92.6MB in the beginning and 82.7MB in the end (delta: 9.9MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16904.34ms. Allocated memory was 144.7MB in the beginning and 727.7MB in the end (delta: 583.0MB). Free memory was 81.5MB in the beginning and 305.8MB in the end (delta: -224.2MB). Peak memory consumption was 432.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - PositiveResult [Line: 146]: 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, 75 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: 16.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 291 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1200 IncrementalHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 0 mSDtfsCounter, 1200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=1, InterpolantAutomatonStates: 14, 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, 11.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 4997 SizeOfPredicates, 2 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 24 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! [2024-06-03 22:52:05,147 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