./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.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-bad-buffer-mult-alt2.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-bad-buffer-mult-alt2.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-bad-buffer-mult-alt2.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 21:01:18,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 21:01:18,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 21:01:18,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 21:01:18,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 21:01:18,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 21:01:18,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 21:01:18,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 21:01:18,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 21:01:18,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 21:01:18,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 21:01:18,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 21:01:18,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 21:01:18,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 21:01:18,238 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 21:01:18,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 21:01:18,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 21:01:18,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 21:01:18,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 21:01:18,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 21:01:18,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 21:01:18,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 21:01:18,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 21:01:18,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 21:01:18,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 21:01:18,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 21:01:18,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 21:01:18,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 21:01:18,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 21:01:18,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 21:01:18,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 21:01:18,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 21:01:18,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:01:18,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 21:01:18,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 21:01:18,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 21:01:18,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 21:01:18,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 21:01:18,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 21:01:18,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 21:01:18,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 21:01:18,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 21:01:18,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 21:01:18,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 21:01:18,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 21:01:18,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 21:01:18,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 21:01:18,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 21:01:18,480 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 21:01:18,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-06-03 21:01:19,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 21:01:19,580 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 21:01:19,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-06-03 21:01:19,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c073a8d55/2df9e788937d4a07961d9b9e0a4b7880/FLAGf2ece759b [2024-06-03 21:01:19,606 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c073a8d55/2df9e788937d4a07961d9b9e0a4b7880 [2024-06-03 21:01:19,608 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 21:01:19,608 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 21:01:19,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml [2024-06-03 21:01:19,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 21:01:19,691 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 21:01:19,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 21:01:19,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 21:01:19,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 21:01:19,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:01:19" (1/2) ... [2024-06-03 21:01:19,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af67e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:19, skipping insertion in model container [2024-06-03 21:01:19,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:01:19" (1/2) ... [2024-06-03 21:01:19,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62176a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:01:19, skipping insertion in model container [2024-06-03 21:01:19,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:01:19" (2/2) ... [2024-06-03 21:01:19,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af67e43 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:19, skipping insertion in model container [2024-06-03 21:01:19,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:01:19" (2/2) ... [2024-06-03 21:01:19,700 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 21:01:19,724 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 21:01:19,725 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] (((! 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 )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (long long )j >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (2147483648LL + (long long )M) + (long long )i >= 0LL) && (2147483648LL + (long long )M) + (long long )j >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )M) + (long long )n1 >= 0LL) && (4294967296LL + (long long )M) + (long long )n2 >= 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) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )M) + (long long )i >= 0LL) && (2147483647LL - (long long )M) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )M) + (long long )n1 >= 0LL) && (4294967295LL - (long long )M) + (long long )n2 >= 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) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )C) - (long long )M >= 0LL) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )n1 >= 0LL) && (4294967295LL + (long long )M) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL) && (4294967294LL - (long long )C) - (long long )M >= 0LL) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )M) - (long long )N >= 0LL) && (4294967294LL - (long long )M) - (long long )n1 >= 0LL) && (4294967294LL - (long long )M) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL)) && (! multithreaded || 0 <= i)) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= j) [2024-06-03 21:01:19,725 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] (((! 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 )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (long long )j >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (2147483648LL + (long long )M) + (long long )i >= 0LL) && (2147483648LL + (long long )M) + (long long )j >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )M) + (long long )n1 >= 0LL) && (4294967296LL + (long long )M) + (long long )n2 >= 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) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )M) + (long long )i >= 0LL) && (2147483647LL - (long long )M) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )M) + (long long )n1 >= 0LL) && (4294967295LL - (long long )M) + (long long )n2 >= 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) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )C) - (long long )M >= 0LL) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )n1 >= 0LL) && (4294967295LL + (long long )M) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL) && (4294967294LL - (long long )C) - (long long )M >= 0LL) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )M) - (long long )N >= 0LL) && (4294967294LL - (long long )M) - (long long )n1 >= 0LL) && (4294967294LL - (long long )M) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL)) && (! multithreaded || 0 <= i)) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= j) [2024-06-03 21:01:19,725 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] (((! 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 )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (long long )j >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (2147483648LL + (long long )M) + (long long )i >= 0LL) && (2147483648LL + (long long )M) + (long long )j >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )M) + (long long )n1 >= 0LL) && (4294967296LL + (long long )M) + (long long )n2 >= 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) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )M) + (long long )i >= 0LL) && (2147483647LL - (long long )M) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )M) + (long long )n1 >= 0LL) && (4294967295LL - (long long )M) + (long long )n2 >= 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) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )C) - (long long )M >= 0LL) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )n1 >= 0LL) && (4294967295LL + (long long )M) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL) && (4294967294LL - (long long )C) - (long long )M >= 0LL) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )M) - (long long )N >= 0LL) && (4294967294LL - (long long )M) - (long long )n1 >= 0LL) && (4294967294LL - (long long )M) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL)) && (! multithreaded || 0 <= i)) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= j) [2024-06-03 21:01:19,725 INFO L97 edCorrectnessWitness]: Location invariant before [L141-L141] (((! 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 )C) + (long long )i >= 0LL) && (2147483648LL + (long long )C) + (long long )j >= 0LL) && (2147483648LL + (long long )N) + (long long )i >= 0LL) && (2147483648LL + (long long )N) + (long long )j >= 0LL) && (2147483648LL + (long long )M) + (long long )i >= 0LL) && (2147483648LL + (long long )M) + (long long )j >= 0LL) && (4294967296LL + (long long )C) + (long long )N >= 0LL) && (4294967296LL + (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )M) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )M) + (long long )n1 >= 0LL) && (4294967296LL + (long long )M) + (long long )n2 >= 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) && (2147483647LL - (long long )C) + (long long )i >= 0LL) && (2147483647LL - (long long )C) + (long long )j >= 0LL) && (2147483647LL - (long long )N) + (long long )i >= 0LL) && (2147483647LL - (long long )N) + (long long )j >= 0LL) && (2147483647LL - (long long )M) + (long long )i >= 0LL) && (2147483647LL - (long long )M) + (long long )j >= 0LL) && (2147483648LL - (long long )i) + (long long )q1_back >= 0LL) && (2147483648LL - (long long )j) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )C) + (long long )N >= 0LL) && (4294967295LL - (long long )C) + (long long )M >= 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 )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 )M) + (long long )N >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )M) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )M) + (long long )n1 >= 0LL) && (4294967295LL - (long long )M) + (long long )n2 >= 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) && (long long )i + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )n1 >= 0LL) && (2147483647LL + (long long )i) - (long long )n2 >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )n1 >= 0LL) && (2147483647LL + (long long )j) - (long long )n2 >= 0LL) && (4294967295LL + (long long )C) - (long long )N >= 0LL) && (4294967295LL + (long long )C) - (long long )M >= 0LL) && (4294967295LL + (long long )C) - (long long )n1 >= 0LL) && (4294967295LL + (long long )C) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )n1 >= 0LL) && (4294967295LL + (long long )M) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )C) - (long long )N >= 0LL) && (4294967294LL - (long long )C) - (long long )M >= 0LL) && (4294967294LL - (long long )C) - (long long )n1 >= 0LL) && (4294967294LL - (long long )C) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )M) - (long long )N >= 0LL) && (4294967294LL - (long long )M) - (long long )n1 >= 0LL) && (4294967294LL - (long long )M) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL)) && (! multithreaded || 0 <= i)) && (! multithreaded || (0 <= i && 0 <= j))) && (! multithreaded || 0 <= j) [2024-06-03 21:01:19,726 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 21:01:19,726 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-06-03 21:01:19,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 21:01:19,905 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:01:19,911 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 21:01:20,074 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:01:20,088 INFO L206 MainTranslator]: Completed translation [2024-06-03 21:01:20,089 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20 WrapperNode [2024-06-03 21:01:20,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 21:01:20,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 21:01:20,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 21:01:20,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 21:01:20,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,158 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 312 [2024-06-03 21:01:20,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 21:01:20,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 21:01:20,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 21:01:20,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 21:01:20,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,200 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 21:01:20,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 21:01:20,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 21:01:20,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 21:01:20,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 21:01:20,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (1/1) ... [2024-06-03 21:01:20,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:01:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:01:20,274 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 21:01:20,282 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 21:01:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 21:01:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-03 21:01:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-03 21:01:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-03 21:01:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-03 21:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-03 21:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-03 21:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-03 21:01:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-03 21:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 21:01:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 21:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-03 21:01:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-03 21:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 21:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 21:01:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-03 21:01:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 21:01:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 21:01:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-03 21:01:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-03 21:01:20,313 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 21:01:20,405 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 21:01:20,406 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 21:01:21,016 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 21:01:21,016 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 21:01:21,305 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 21:01:21,305 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-03 21:01:21,306 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:01:21 BoogieIcfgContainer [2024-06-03 21:01:21,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 21:01:21,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 21:01:21,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 21:01:21,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 21:01:21,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 09:01:19" (1/4) ... [2024-06-03 21:01:21,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb00421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 09:01:21, skipping insertion in model container [2024-06-03 21:01:21,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:01:19" (2/4) ... [2024-06-03 21:01:21,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb00421 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:01:21, skipping insertion in model container [2024-06-03 21:01:21,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:01:20" (3/4) ... [2024-06-03 21:01:21,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb00421 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:01:21, skipping insertion in model container [2024-06-03 21:01:21,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:01:21" (4/4) ... [2024-06-03 21:01:21,313 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-06-03 21:01:21,327 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 21:01:21,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-06-03 21:01:21,327 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 21:01:21,391 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-06-03 21:01:21,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 52 transitions, 132 flow [2024-06-03 21:01:21,476 INFO L124 PetriNetUnfolderBase]: 6/48 cut-off events. [2024-06-03 21:01:21,479 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-03 21:01:21,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 48 events. 6/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2024-06-03 21:01:21,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 52 transitions, 132 flow [2024-06-03 21:01:21,485 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 46 transitions, 113 flow [2024-06-03 21:01:21,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 21:01:21,502 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;@3496c136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 21:01:21,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-06-03 21:01:21,508 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 21:01:21,508 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-06-03 21:01:21,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 21:01:21,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:01:21,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:01:21,510 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 21:01:21,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:01:21,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1691189855, now seen corresponding path program 1 times [2024-06-03 21:01:21,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:01:21,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061196825] [2024-06-03 21:01:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:21,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:01:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:24,010 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 21:01:24,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:01:24,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061196825] [2024-06-03 21:01:24,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061196825] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 21:01:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 21:01:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-03 21:01:24,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932471915] [2024-06-03 21:01:24,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 21:01:24,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-03 21:01:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:01:24,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-03 21:01:24,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-03 21:01:24,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 52 [2024-06-03 21:01:24,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 21:01:24,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:01:24,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 52 [2024-06-03 21:01:24,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:01:24,529 INFO L124 PetriNetUnfolderBase]: 1245/2074 cut-off events. [2024-06-03 21:01:24,530 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-06-03 21:01:24,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4018 conditions, 2074 events. 1245/2074 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 12733 event pairs, 448 based on Foata normal form. 54/2019 useless extension candidates. Maximal degree in co-relation 3488. Up to 1115 conditions per place. [2024-06-03 21:01:24,547 INFO L140 encePairwiseOnDemand]: 45/52 looper letters, 48 selfloop transitions, 3 changer transitions 3/67 dead transitions. [2024-06-03 21:01:24,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 67 transitions, 281 flow [2024-06-03 21:01:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-03 21:01:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-03 21:01:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-06-03 21:01:24,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6057692307692307 [2024-06-03 21:01:24,557 INFO L175 Difference]: Start difference. First operand has 53 places, 46 transitions, 113 flow. Second operand 4 states and 126 transitions. [2024-06-03 21:01:24,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 67 transitions, 281 flow [2024-06-03 21:01:24,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 67 transitions, 257 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-03 21:01:24,586 INFO L231 Difference]: Finished difference. Result has 50 places, 47 transitions, 120 flow [2024-06-03 21:01:24,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=50, PETRI_TRANSITIONS=47} [2024-06-03 21:01:24,590 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -3 predicate places. [2024-06-03 21:01:24,591 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 120 flow [2024-06-03 21:01:24,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 21:01:24,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:01:24,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:01:24,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 21:01:24,592 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 21:01:24,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:01:24,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2026218168, now seen corresponding path program 1 times [2024-06-03 21:01:24,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:01:24,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031467346] [2024-06-03 21:01:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:24,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:01:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:24,720 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 21:01:24,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:01:24,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031467346] [2024-06-03 21:01:24,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031467346] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 21:01:24,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 21:01:24,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-03 21:01:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819666011] [2024-06-03 21:01:24,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 21:01:24,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-03 21:01:24,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:01:24,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-03 21:01:24,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-03 21:01:24,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-06-03 21:01:24,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 47 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 21:01:24,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:01:24,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-06-03 21:01:24,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:01:25,161 INFO L124 PetriNetUnfolderBase]: 1370/2364 cut-off events. [2024-06-03 21:01:25,161 INFO L125 PetriNetUnfolderBase]: For 367/369 co-relation queries the response was YES. [2024-06-03 21:01:25,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4817 conditions, 2364 events. 1370/2364 cut-off events. For 367/369 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 15347 event pairs, 1167 based on Foata normal form. 118/2402 useless extension candidates. Maximal degree in co-relation 2001. Up to 1499 conditions per place. [2024-06-03 21:01:25,172 INFO L140 encePairwiseOnDemand]: 45/52 looper letters, 29 selfloop transitions, 2 changer transitions 27/75 dead transitions. [2024-06-03 21:01:25,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 75 transitions, 306 flow [2024-06-03 21:01:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 21:01:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 21:01:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-06-03 21:01:25,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6307692307692307 [2024-06-03 21:01:25,178 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 120 flow. Second operand 5 states and 164 transitions. [2024-06-03 21:01:25,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 75 transitions, 306 flow [2024-06-03 21:01:25,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-03 21:01:25,183 INFO L231 Difference]: Finished difference. Result has 55 places, 48 transitions, 136 flow [2024-06-03 21:01:25,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=136, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2024-06-03 21:01:25,183 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 2 predicate places. [2024-06-03 21:01:25,188 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 136 flow [2024-06-03 21:01:25,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 21:01:25,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:01:25,188 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:01:25,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 21:01:25,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-06-03 21:01:25,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:01:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1084981099, now seen corresponding path program 1 times [2024-06-03 21:01:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:01:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406101423] [2024-06-03 21:01:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:01:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:28,938 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 21:01:28,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:01:28,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406101423] [2024-06-03 21:01:28,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406101423] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-03 21:01:28,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819084427] [2024-06-03 21:01:28,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:28,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-03 21:01:28,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:01:28,941 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 21:01:28,964 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 21:01:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:29,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 35 conjunts are in the unsatisfiable core [2024-06-03 21:01:29,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-03 21:01:29,634 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 21:01:29,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-03 21:01:36,041 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 21:01:36,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819084427] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-03 21:01:36,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-03 21:01:36,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-03 21:01:36,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343766132] [2024-06-03 21:01:36,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-03 21:01:36,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-03 21:01:36,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:01:36,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-03 21:01:36,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-06-03 21:01:36,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 52 [2024-06-03 21:01:36,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 136 flow. Second operand has 17 states, 17 states have (on average 18.764705882352942) internal successors, (319), 17 states have internal predecessors, (319), 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 21:01:36,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:01:36,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 52 [2024-06-03 21:01:36,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:01:38,913 INFO L124 PetriNetUnfolderBase]: 2879/4761 cut-off events. [2024-06-03 21:01:38,913 INFO L125 PetriNetUnfolderBase]: For 1354/1354 co-relation queries the response was YES. [2024-06-03 21:01:38,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9817 conditions, 4761 events. 2879/4761 cut-off events. For 1354/1354 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 30832 event pairs, 1093 based on Foata normal form. 254/4943 useless extension candidates. Maximal degree in co-relation 9803. Up to 1458 conditions per place. [2024-06-03 21:01:38,964 INFO L140 encePairwiseOnDemand]: 40/52 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2024-06-03 21:01:38,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 129 transitions, 578 flow [2024-06-03 21:01:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 21:01:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 21:01:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 300 transitions. [2024-06-03 21:01:38,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5769230769230769 [2024-06-03 21:01:38,966 INFO L175 Difference]: Start difference. First operand has 55 places, 48 transitions, 136 flow. Second operand 10 states and 300 transitions. [2024-06-03 21:01:38,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 129 transitions, 578 flow [2024-06-03 21:01:38,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 129 transitions, 566 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-06-03 21:01:38,968 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-06-03 21:01:38,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2024-06-03 21:01:38,969 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2024-06-03 21:01:38,969 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-06-03 21:01:38,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 18.764705882352942) internal successors, (319), 17 states have internal predecessors, (319), 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 21:01:38,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-06-03 21:01:38,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-06-03 21:01:38,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-06-03 21:01:38,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-06-03 21:01:38,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-06-03 21:01:38,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-06-03 21:01:38,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-06-03 21:01:38,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-06-03 21:01:38,999 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 21:01:39,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-03 21:01:39,186 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-06-03 21:01:39,188 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 21:01:39,188 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 21:01:39,191 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-06-03 21:01:39,191 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-06-03 21:01:39,193 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 09:01:39 BasicIcfg [2024-06-03 21:01:39,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 21:01:39,195 INFO L158 Benchmark]: Toolchain (without parser) took 19502.72ms. Allocated memory was 201.3MB in the beginning and 677.4MB in the end (delta: 476.1MB). Free memory was 168.8MB in the beginning and 606.9MB in the end (delta: -438.1MB). Peak memory consumption was 434.5MB. Max. memory is 16.1GB. [2024-06-03 21:01:39,196 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 21:01:39,196 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 201.3MB. Free memory was 171.4MB in the beginning and 171.3MB in the end (delta: 34.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 21:01:39,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.73ms. Allocated memory is still 201.3MB. Free memory was 168.8MB in the beginning and 142.8MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-03 21:01:39,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.71ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 136.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-03 21:01:39,198 INFO L158 Benchmark]: Boogie Preprocessor took 78.94ms. Allocated memory is still 201.3MB. Free memory was 136.5MB in the beginning and 133.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-03 21:01:39,199 INFO L158 Benchmark]: RCFGBuilder took 1067.68ms. Allocated memory is still 201.3MB. Free memory was 133.2MB in the beginning and 103.5MB in the end (delta: 29.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-06-03 21:01:39,200 INFO L158 Benchmark]: TraceAbstraction took 17884.88ms. Allocated memory was 201.3MB in the beginning and 677.4MB in the end (delta: 476.1MB). Free memory was 103.5MB in the beginning and 606.9MB in the end (delta: -503.4MB). Peak memory consumption was 369.3MB. Max. memory is 16.1GB. [2024-06-03 21:01:39,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 201.3MB. Free memory was 171.4MB in the beginning and 171.3MB in the end (delta: 34.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.73ms. Allocated memory is still 201.3MB. Free memory was 168.8MB in the beginning and 142.8MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.71ms. Allocated memory is still 201.3MB. Free memory was 142.8MB in the beginning and 136.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.94ms. Allocated memory is still 201.3MB. Free memory was 136.5MB in the beginning and 133.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1067.68ms. Allocated memory is still 201.3MB. Free memory was 133.2MB in the beginning and 103.5MB in the end (delta: 29.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17884.88ms. Allocated memory was 201.3MB in the beginning and 677.4MB in the end (delta: 476.1MB). Free memory was 103.5MB in the beginning and 606.9MB in the end (delta: -503.4MB). Peak memory consumption was 369.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 141]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 142]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 71 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: 17.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 501 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 453 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1486 IncrementalHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 4 mSDtfsCounter, 1486 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 7210 SizeOfPredicates, 4 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 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 21:01:39,238 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