./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 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-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-cde23df-m [2024-06-14 14:19:27,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 14:19:27,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 14:19:27,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 14:19:27,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 14:19:27,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 14:19:27,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 14:19:27,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 14:19:27,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 14:19:27,263 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 14:19:27,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 14:19:27,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 14:19:27,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 14:19:27,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 14:19:27,266 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 14:19:27,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 14:19:27,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 14:19:27,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 14:19:27,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 14:19:27,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 14:19:27,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 14:19:27,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 14:19:27,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 14:19:27,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 14:19:27,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 14:19:27,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 14:19:27,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 14:19:27,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 14:19:27,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 14:19:27,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 14:19:27,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 14:19:27,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 14:19:27,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:19:27,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 14:19:27,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 14:19:27,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 14:19:27,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 14:19:27,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 14:19:27,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 14:19:27,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 14:19:27,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 14:19:27,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 14:19:27,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 14:19:27,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 14:19:27,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 14:19:27,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 14:19:27,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 14:19:27,485 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 14:19:27,486 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 14:19:27,486 INFO L431 ainManager$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 [2024-06-14 14:19:27,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 14:19:27,576 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 14:19:27,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-06-14 14:19:28,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 14:19:28,662 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 14:19:28,663 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-06-14 14:19:28,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b13733d6/5fbd26c319c140dc956e00520ecd1291/FLAGc4c6382b9 [2024-06-14 14:19:28,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b13733d6/5fbd26c319c140dc956e00520ecd1291 [2024-06-14 14:19:28,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 14:19:28,679 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 14:19:28,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 14:19:28,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 14:19:28,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 14:19:28,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:27" (1/2) ... [2024-06-14 14:19:28,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bf6ae5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:19:28, skipping insertion in model container [2024-06-14 14:19:28,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:27" (1/2) ... [2024-06-14 14:19:28,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@500c3e2c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:19:28, skipping insertion in model container [2024-06-14 14:19:28,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:19:28" (2/2) ... [2024-06-14 14:19:28,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bf6ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:28, skipping insertion in model container [2024-06-14 14:19:28,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:19:28" (2/2) ... [2024-06-14 14:19:28,691 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 14:19:28,711 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 14:19:28,712 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) [2024-06-14 14:19:28,712 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) [2024-06-14 14:19:28,712 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) [2024-06-14 14:19:28,712 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) [2024-06-14 14:19:28,713 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 14:19:28,713 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-06-14 14:19:28,738 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 14:19:28,869 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:19:28,875 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 14:19:29,050 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:19:29,067 INFO L206 MainTranslator]: Completed translation [2024-06-14 14:19:29,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29 WrapperNode [2024-06-14 14:19:29,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 14:19:29,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 14:19:29,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 14:19:29,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 14:19:29,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,130 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 316 [2024-06-14 14:19:29,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 14:19:29,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 14:19:29,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 14:19:29,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 14:19:29,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,160 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 14:19:29,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 14:19:29,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 14:19:29,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 14:19:29,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 14:19:29,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (1/1) ... [2024-06-14 14:19:29,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:19:29,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:19:29,232 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 14:19:29,260 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 14:19:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 14:19:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 14:19:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 14:19:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 14:19:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 14:19:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-14 14:19:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-14 14:19:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 14:19:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-14 14:19:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-14 14:19:29,323 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 14:19:29,446 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 14:19:29,447 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 14:19:29,924 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 14:19:29,924 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 14:19:30,287 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 14:19:30,287 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-14 14:19:30,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:19:30 BoogieIcfgContainer [2024-06-14 14:19:30,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 14:19:30,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 14:19:30,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 14:19:30,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 14:19:30,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:27" (1/4) ... [2024-06-14 14:19:30,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6bb074 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:19:30, skipping insertion in model container [2024-06-14 14:19:30,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:19:28" (2/4) ... [2024-06-14 14:19:30,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6bb074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:19:30, skipping insertion in model container [2024-06-14 14:19:30,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:29" (3/4) ... [2024-06-14 14:19:30,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6bb074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:19:30, skipping insertion in model container [2024-06-14 14:19:30,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:19:30" (4/4) ... [2024-06-14 14:19:30,296 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-06-14 14:19:30,310 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 14:19:30,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-06-14 14:19:30,310 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 14:19:30,401 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-06-14 14:19:30,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 56 transitions, 140 flow [2024-06-14 14:19:30,469 INFO L124 PetriNetUnfolderBase]: 6/52 cut-off events. [2024-06-14 14:19:30,469 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-14 14:19:30,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 52 events. 6/52 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-06-14 14:19:30,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 56 transitions, 140 flow [2024-06-14 14:19:30,477 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 50 transitions, 121 flow [2024-06-14 14:19:30,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 14:19:30,496 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;@63f67010, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 14:19:30,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-06-14 14:19:30,504 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 14:19:30,504 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-06-14 14:19:30,504 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:19:30,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:19:30,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:19:30,505 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 14:19:30,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:19:30,510 INFO L85 PathProgramCache]: Analyzing trace with hash -8232740, now seen corresponding path program 1 times [2024-06-14 14:19:30,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:19:30,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200050349] [2024-06-14 14:19:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:19:30,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:19:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:19:32,878 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 14:19:32,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:19:32,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200050349] [2024-06-14 14:19:32,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200050349] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:19:32,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:19:32,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 14:19:32,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114634221] [2024-06-14 14:19:32,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:19:32,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-14 14:19:32,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:19:32,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-14 14:19:32,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-14 14:19:32,981 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 56 [2024-06-14 14:19:32,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 50 transitions, 121 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) [2024-06-14 14:19:32,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:19:32,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 56 [2024-06-14 14:19:32,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:19:33,441 INFO L124 PetriNetUnfolderBase]: 1245/2101 cut-off events. [2024-06-14 14:19:33,441 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-06-14 14:19:33,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4045 conditions, 2101 events. 1245/2101 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 13619 event pairs, 448 based on Foata normal form. 54/2024 useless extension candidates. Maximal degree in co-relation 3515. Up to 1115 conditions per place. [2024-06-14 14:19:33,456 INFO L140 encePairwiseOnDemand]: 49/56 looper letters, 48 selfloop transitions, 3 changer transitions 3/71 dead transitions. [2024-06-14 14:19:33,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 71 transitions, 289 flow [2024-06-14 14:19:33,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-14 14:19:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-14 14:19:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 142 transitions. [2024-06-14 14:19:33,468 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6339285714285714 [2024-06-14 14:19:33,469 INFO L175 Difference]: Start difference. First operand has 57 places, 50 transitions, 121 flow. Second operand 4 states and 142 transitions. [2024-06-14 14:19:33,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 71 transitions, 289 flow [2024-06-14 14:19:33,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 71 transitions, 265 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-14 14:19:33,476 INFO L231 Difference]: Finished difference. Result has 54 places, 51 transitions, 128 flow [2024-06-14 14:19:33,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=128, PETRI_PLACES=54, PETRI_TRANSITIONS=51} [2024-06-14 14:19:33,479 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-06-14 14:19:33,480 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 51 transitions, 128 flow [2024-06-14 14:19:33,480 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) [2024-06-14 14:19:33,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:19:33,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:19:33,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 14:19:33,481 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 14:19:33,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:19:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash -975527687, now seen corresponding path program 1 times [2024-06-14 14:19:33,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:19:33,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508339438] [2024-06-14 14:19:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:19:33,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:19:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:19:36,682 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 14:19:36,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:19:36,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508339438] [2024-06-14 14:19:36,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508339438] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:19:36,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:19:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-14 14:19:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65649020] [2024-06-14 14:19:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:19:36,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 14:19:36,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:19:36,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 14:19:36,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-14 14:19:36,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 56 [2024-06-14 14:19:36,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 14:19:36,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:19:36,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 56 [2024-06-14 14:19:36,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:19:37,176 INFO L124 PetriNetUnfolderBase]: 1029/1805 cut-off events. [2024-06-14 14:19:37,176 INFO L125 PetriNetUnfolderBase]: For 254/254 co-relation queries the response was YES. [2024-06-14 14:19:37,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3637 conditions, 1805 events. 1029/1805 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11620 event pairs, 408 based on Foata normal form. 80/1821 useless extension candidates. Maximal degree in co-relation 1476. Up to 818 conditions per place. [2024-06-14 14:19:37,184 INFO L140 encePairwiseOnDemand]: 49/56 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2024-06-14 14:19:37,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 67 transitions, 259 flow [2024-06-14 14:19:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-14 14:19:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-14 14:19:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 159 transitions. [2024-06-14 14:19:37,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5678571428571428 [2024-06-14 14:19:37,187 INFO L175 Difference]: Start difference. First operand has 54 places, 51 transitions, 128 flow. Second operand 5 states and 159 transitions. [2024-06-14 14:19:37,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 67 transitions, 259 flow [2024-06-14 14:19:37,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 67 transitions, 255 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 14:19:37,189 INFO L231 Difference]: Finished difference. Result has 52 places, 0 transitions, 0 flow [2024-06-14 14:19:37,189 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=52, PETRI_TRANSITIONS=0} [2024-06-14 14:19:37,190 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -5 predicate places. [2024-06-14 14:19:37,190 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 0 transitions, 0 flow [2024-06-14 14:19:37,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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 14:19:37,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-06-14 14:19:37,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-06-14 14:19:37,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-06-14 14:19:37,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-06-14 14:19:37,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-06-14 14:19:37,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-06-14 14:19:37,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-06-14 14:19:37,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-06-14 14:19:37,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 14:19:37,195 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 14:19:37,198 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 14:19:37,198 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 14:19:37,202 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-06-14 14:19:37,202 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-06-14 14:19:37,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:19:37 BasicIcfg [2024-06-14 14:19:37,203 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 14:19:37,204 INFO L158 Benchmark]: Toolchain (without parser) took 8524.50ms. Allocated memory was 155.2MB in the beginning and 505.4MB in the end (delta: 350.2MB). Free memory was 118.6MB in the beginning and 263.5MB in the end (delta: -144.9MB). Peak memory consumption was 240.7MB. Max. memory is 16.1GB. [2024-06-14 14:19:37,204 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:19:37,204 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 69.6MB in the end (delta: 220.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:19:37,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.23ms. Allocated memory is still 155.2MB. Free memory was 118.6MB in the beginning and 91.3MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-14 14:19:37,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.54ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 85.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-14 14:19:37,205 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-14 14:19:37,206 INFO L158 Benchmark]: RCFGBuilder took 1104.12ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 81.9MB in the beginning and 156.6MB in the end (delta: -74.7MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-06-14 14:19:37,206 INFO L158 Benchmark]: TraceAbstraction took 6913.39ms. Allocated memory was 216.0MB in the beginning and 505.4MB in the end (delta: 289.4MB). Free memory was 155.5MB in the beginning and 263.5MB in the end (delta: -108.0MB). Peak memory consumption was 218.9MB. Max. memory is 16.1GB. [2024-06-14 14:19:37,208 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 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 69.6MB in the end (delta: 220.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.23ms. Allocated memory is still 155.2MB. Free memory was 118.6MB in the beginning and 91.3MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.54ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 85.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.12ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 81.9MB in the beginning and 156.6MB in the end (delta: -74.7MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6913.39ms. Allocated memory was 216.0MB in the beginning and 505.4MB in the end (delta: 289.4MB). Free memory was 155.5MB in the beginning and 263.5MB in the end (delta: -108.0MB). Peak memory consumption was 218.9MB. 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, 79 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 4 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=1, InterpolantAutomatonStates: 9, 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, 5.4s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 1663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-14 14:19:37,234 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