./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 cde23df1 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-cde23df-m [2024-06-14 16:14:18,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 16:14:18,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 16:14:18,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 16:14:18,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 16:14:18,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 16:14:18,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 16:14:18,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 16:14:18,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 16:14:18,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 16:14:18,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 16:14:18,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 16:14:18,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 16:14:18,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 16:14:18,388 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 16:14:18,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 16:14:18,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 16:14:18,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 16:14:18,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 16:14:18,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 16:14:18,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 16:14:18,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 16:14:18,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 16:14:18,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 16:14:18,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 16:14:18,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 16:14:18,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 16:14:18,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 16:14:18,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 16:14:18,391 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 16:14:18,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 16:14:18,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 16:14:18,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:14:18,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 16:14:18,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 16:14:18,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 16:14:18,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 16:14:18,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 16:14:18,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 16:14:18,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 16:14:18,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 16:14:18,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 16:14:18,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 16:14:18,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 16:14:18,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 16:14:18,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 16:14:18,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 16:14:18,588 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 16:14:18,588 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 16:14:18,589 INFO L431 ainManager$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 [2024-06-14 16:14:18,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 16:14:18,722 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 16:14:18,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-06-14 16:14:19,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 16:14:20,195 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 16:14:20,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-06-14 16:14:20,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d627af20/0e783786f3d3468387365b594cddb442/FLAG81cf202be [2024-06-14 16:14:20,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d627af20/0e783786f3d3468387365b594cddb442 [2024-06-14 16:14:20,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 16:14:20,227 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 16:14:20,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 16:14:20,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 16:14:20,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 16:14:20,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:18" (1/2) ... [2024-06-14 16:14:20,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f037664 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:20, skipping insertion in model container [2024-06-14 16:14:20,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:18" (1/2) ... [2024-06-14 16:14:20,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@789baa40 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:20, skipping insertion in model container [2024-06-14 16:14:20,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:14:20" (2/2) ... [2024-06-14 16:14:20,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f037664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20, skipping insertion in model container [2024-06-14 16:14:20,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:14:20" (2/2) ... [2024-06-14 16:14:20,237 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 16:14:20,258 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 16:14:20,259 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) [2024-06-14 16:14:20,260 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) [2024-06-14 16:14:20,260 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) [2024-06-14 16:14:20,260 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) [2024-06-14 16:14:20,260 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 16:14:20,261 INFO L106 edCorrectnessWitness]: ghost_update [L142-L142] multithreaded = 1; [2024-06-14 16:14:20,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 16:14:20,425 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:14:20,433 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 16:14:20,608 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:14:20,622 INFO L206 MainTranslator]: Completed translation [2024-06-14 16:14:20,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20 WrapperNode [2024-06-14 16:14:20,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 16:14:20,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 16:14:20,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 16:14:20,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 16:14:20,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,695 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 305 [2024-06-14 16:14:20,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 16:14:20,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 16:14:20,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 16:14:20,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 16:14:20,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,751 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]. [2024-06-14 16:14:20,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 16:14:20,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 16:14:20,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 16:14:20,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 16:14:20,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (1/1) ... [2024-06-14 16:14:20,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:14:20,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 16:14:20,878 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) [2024-06-14 16:14:20,917 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 [2024-06-14 16:14:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 16:14:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-14 16:14:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-14 16:14:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-14 16:14:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-14 16:14:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 16:14:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 16:14:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 16:14:20,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 16:14:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-14 16:14:20,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-14 16:14:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-14 16:14:20,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-14 16:14:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 16:14:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 16:14:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-14 16:14:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-14 16:14:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-14 16:14:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 16:14:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 16:14:20,943 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 16:14:21,044 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 16:14:21,046 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 16:14:21,601 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 16:14:21,601 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 16:14:21,890 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 16:14:21,890 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-14 16:14:21,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:14:21 BoogieIcfgContainer [2024-06-14 16:14:21,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 16:14:21,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 16:14:21,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 16:14:21,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 16:14:21,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:18" (1/4) ... [2024-06-14 16:14:21,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a903012 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 04:14:21, skipping insertion in model container [2024-06-14 16:14:21,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 04:14:20" (2/4) ... [2024-06-14 16:14:21,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a903012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:14:21, skipping insertion in model container [2024-06-14 16:14:21,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:20" (3/4) ... [2024-06-14 16:14:21,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a903012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:14:21, skipping insertion in model container [2024-06-14 16:14:21,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:14:21" (4/4) ... [2024-06-14 16:14:21,897 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-06-14 16:14:21,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 16:14:21,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-06-14 16:14:21,911 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 16:14:22,005 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-06-14 16:14:22,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 58 transitions, 144 flow [2024-06-14 16:14:22,081 INFO L124 PetriNetUnfolderBase]: 6/54 cut-off events. [2024-06-14 16:14:22,081 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-14 16:14:22,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 54 events. 6/54 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2024-06-14 16:14:22,085 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 58 transitions, 144 flow [2024-06-14 16:14:22,089 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 52 transitions, 125 flow [2024-06-14 16:14:22,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 16:14:22,114 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;@668318a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 16:14:22,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-06-14 16:14:22,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 16:14:22,120 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-06-14 16:14:22,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:14:22,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:22,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 16:14:22,121 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)] === [2024-06-14 16:14:22,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:22,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1562898282, now seen corresponding path program 1 times [2024-06-14 16:14:22,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:22,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527623300] [2024-06-14 16:14:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:22,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:24,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:24,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527623300] [2024-06-14 16:14:24,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527623300] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:24,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:24,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-14 16:14:24,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039458903] [2024-06-14 16:14:24,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:24,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 16:14:24,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 16:14:24,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-14 16:14:25,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 58 [2024-06-14 16:14:25,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2024-06-14 16:14:25,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:25,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 58 [2024-06-14 16:14:25,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:25,995 INFO L124 PetriNetUnfolderBase]: 3196/4858 cut-off events. [2024-06-14 16:14:25,995 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-06-14 16:14:26,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9281 conditions, 4858 events. 3196/4858 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 29455 event pairs, 1263 based on Foata normal form. 82/4510 useless extension candidates. Maximal degree in co-relation 5544. Up to 3418 conditions per place. [2024-06-14 16:14:26,028 INFO L140 encePairwiseOnDemand]: 48/58 looper letters, 56 selfloop transitions, 5 changer transitions 2/80 dead transitions. [2024-06-14 16:14:26,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 80 transitions, 328 flow [2024-06-14 16:14:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-14 16:14:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-14 16:14:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 173 transitions. [2024-06-14 16:14:26,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.596551724137931 [2024-06-14 16:14:26,039 INFO L175 Difference]: Start difference. First operand has 59 places, 52 transitions, 125 flow. Second operand 5 states and 173 transitions. [2024-06-14 16:14:26,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 80 transitions, 328 flow [2024-06-14 16:14:26,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 80 transitions, 302 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-14 16:14:26,047 INFO L231 Difference]: Finished difference. Result has 59 places, 56 transitions, 155 flow [2024-06-14 16:14:26,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2024-06-14 16:14:26,051 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, 0 predicate places. [2024-06-14 16:14:26,051 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 155 flow [2024-06-14 16:14:26,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2024-06-14 16:14:26,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:26,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 16:14:26,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 16:14:26,052 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)] === [2024-06-14 16:14:26,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2100878894, now seen corresponding path program 1 times [2024-06-14 16:14:26,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:26,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95993447] [2024-06-14 16:14:26,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:27,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:27,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95993447] [2024-06-14 16:14:27,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95993447] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-14 16:14:27,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136413428] [2024-06-14 16:14:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:27,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-14 16:14:27,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 16:14:27,964 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) [2024-06-14 16:14:27,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-14 16:14:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:28,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 24 conjunts are in the unsatisfiable core [2024-06-14 16:14:28,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-14 16:14:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:28,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-14 16:14:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:34,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136413428] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-14 16:14:34,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-14 16:14:34,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-06-14 16:14:34,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838236554] [2024-06-14 16:14:34,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-14 16:14:34,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-06-14 16:14:34,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:34,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-06-14 16:14:34,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-06-14 16:14:35,377 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 58 [2024-06-14 16:14:35,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 155 flow. Second operand has 14 states, 14 states have (on average 22.928571428571427) internal successors, (321), 14 states have internal predecessors, (321), 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) [2024-06-14 16:14:35,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:35,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 58 [2024-06-14 16:14:35,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:37,797 INFO L124 PetriNetUnfolderBase]: 3455/5565 cut-off events. [2024-06-14 16:14:37,797 INFO L125 PetriNetUnfolderBase]: For 931/931 co-relation queries the response was YES. [2024-06-14 16:14:37,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11236 conditions, 5565 events. 3455/5565 cut-off events. For 931/931 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 37665 event pairs, 1692 based on Foata normal form. 512/5722 useless extension candidates. Maximal degree in co-relation 6380. Up to 3160 conditions per place. [2024-06-14 16:14:37,809 INFO L140 encePairwiseOnDemand]: 46/58 looper letters, 0 selfloop transitions, 0 changer transitions 117/117 dead transitions. [2024-06-14 16:14:37,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 117 transitions, 504 flow [2024-06-14 16:14:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-14 16:14:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-14 16:14:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 306 transitions. [2024-06-14 16:14:37,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5862068965517241 [2024-06-14 16:14:37,815 INFO L175 Difference]: Start difference. First operand has 59 places, 56 transitions, 155 flow. Second operand 9 states and 306 transitions. [2024-06-14 16:14:37,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 117 transitions, 504 flow [2024-06-14 16:14:37,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 117 transitions, 499 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-06-14 16:14:37,819 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-06-14 16:14:37,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=54, 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=9, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-06-14 16:14:37,820 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, 3 predicate places. [2024-06-14 16:14:37,820 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-06-14 16:14:37,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 22.928571428571427) internal successors, (321), 14 states have internal predecessors, (321), 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) [2024-06-14 16:14:37,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-06-14 16:14:37,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-06-14 16:14:37,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-06-14 16:14:37,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-06-14 16:14:37,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-06-14 16:14:37,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-06-14 16:14:37,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-06-14 16:14:37,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-06-14 16:14:37,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-06-14 16:14:38,036 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 [2024-06-14 16:14:38,039 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 16:14:38,042 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 16:14:38,042 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 16:14:38,050 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-06-14 16:14:38,050 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-06-14 16:14:38,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:14:38 BasicIcfg [2024-06-14 16:14:38,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 16:14:38,052 INFO L158 Benchmark]: Toolchain (without parser) took 17824.93ms. Allocated memory was 205.5MB in the beginning and 572.5MB in the end (delta: 367.0MB). Free memory was 177.0MB in the beginning and 444.0MB in the end (delta: -267.0MB). Peak memory consumption was 376.2MB. Max. memory is 16.1GB. [2024-06-14 16:14:38,052 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:38,054 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 130.0MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:38,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.54ms. Allocated memory is still 205.5MB. Free memory was 177.0MB in the beginning and 152.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-14 16:14:38,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.20ms. Allocated memory is still 205.5MB. Free memory was 152.9MB in the beginning and 147.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-14 16:14:38,057 INFO L158 Benchmark]: Boogie Preprocessor took 113.11ms. Allocated memory is still 205.5MB. Free memory was 147.6MB in the beginning and 143.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-14 16:14:38,057 INFO L158 Benchmark]: RCFGBuilder took 1080.97ms. Allocated memory is still 205.5MB. Free memory was 143.4MB in the beginning and 108.2MB in the end (delta: 35.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-06-14 16:14:38,058 INFO L158 Benchmark]: TraceAbstraction took 16159.01ms. Allocated memory was 205.5MB in the beginning and 572.5MB in the end (delta: 367.0MB). Free memory was 107.2MB in the beginning and 444.0MB in the end (delta: -336.8MB). Peak memory consumption was 307.4MB. Max. memory is 16.1GB. [2024-06-14 16:14:38,063 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 0.15ms. Allocated memory is still 130.0MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 130.0MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.54ms. Allocated memory is still 205.5MB. Free memory was 177.0MB in the beginning and 152.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.20ms. Allocated memory is still 205.5MB. Free memory was 152.9MB in the beginning and 147.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.11ms. Allocated memory is still 205.5MB. Free memory was 147.6MB in the beginning and 143.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1080.97ms. Allocated memory is still 205.5MB. Free memory was 143.4MB in the beginning and 108.2MB in the end (delta: 35.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16159.01ms. Allocated memory was 205.5MB in the beginning and 572.5MB in the end (delta: 367.0MB). Free memory was 107.2MB in the beginning and 444.0MB in the end (delta: -336.8MB). Peak memory consumption was 307.4MB. 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, 83 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: 16.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1083 IncrementalHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 4 mSDtfsCounter, 1083 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, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 11.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 4997 SizeOfPredicates, 2 NumberOfNonLiveVariables, 131 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! [2024-06-14 16:14:38,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE