./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-ring.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-ring.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-ring.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-ring.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:20:52,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:20:52,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:20:52,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:20:52,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:20:52,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:20:52,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:20:52,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:20:52,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:20:52,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:20:52,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:20:52,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:20:52,966 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:20:52,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:20:52,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:20:52,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:20:52,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:20:52,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:20:52,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:20:52,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:20:52,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:20:52,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:20:52,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:20:52,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:20:52,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:20:52,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:20:52,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:20:52,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:20:52,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:20:52,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:20:52,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:20:52,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:20:52,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:20:52,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:20:52,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:20:52,976 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:20:52,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:20:52,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:20:52,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:20:52,977 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:20:52,977 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:20:52,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:20:53,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:20:53,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:20:53,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:20:53,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:20:53,261 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:20:53,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring.wvr.c [2024-09-07 21:20:54,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:20:54,819 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:20:54,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring.wvr.c [2024-09-07 21:20:54,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/62c9a3940/bbab0e9a7d614a4d8d0023f67daec319/FLAGe3d7fa984 [2024-09-07 21:20:54,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/62c9a3940/bbab0e9a7d614a4d8d0023f67daec319 [2024-09-07 21:20:54,846 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:20:54,846 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:20:54,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-ring.wvr.yml/witness.yml [2024-09-07 21:20:54,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:20:54,923 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:20:54,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:20:54,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:20:54,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:20:54,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:20:54" (1/2) ... [2024-09-07 21:20:54,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6629853a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:20:54, skipping insertion in model container [2024-09-07 21:20:54,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:20:54" (1/2) ... [2024-09-07 21:20:54,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48f99a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:20:54, skipping insertion in model container [2024-09-07 21:20:54,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:20:54" (2/2) ... [2024-09-07 21:20:54,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6629853a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:54, skipping insertion in model container [2024-09-07 21:20:54,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:20:54" (2/2) ... [2024-09-07 21:20:54,952 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:20:54,953 INFO L1541 ArrayList]: Location invariant before [L145-L145] ((! multithreaded || 0 <= N) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )N) + (long long )q2_front >= 0LL && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n3 >= 0LL) && (1073741823LL - (long long )n2) + (long long )n3 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n3 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q3_back) + (long long )q3_front >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )N + (long long )n3 >= 0LL) && (long long )n2 + (long long )n3 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n2) - (long long )n3 >= 0LL) && (2147483647LL + (long long )N) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q3_back) - (long long )q3_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n3 >= 0LL) && (2147483646LL - (long long )n2) - (long long )n3 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n3 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q3_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_back >= 0LL))) && (! multithreaded || 0 <= N) [2024-09-07 21:20:54,953 INFO L1541 ArrayList]: Location invariant before [L143-L143] ((! multithreaded || 0 <= N) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )N) + (long long )q2_front >= 0LL && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n3 >= 0LL) && (1073741823LL - (long long )n2) + (long long )n3 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n3 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q3_back) + (long long )q3_front >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )N + (long long )n3 >= 0LL) && (long long )n2 + (long long )n3 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n2) - (long long )n3 >= 0LL) && (2147483647LL + (long long )N) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q3_back) - (long long )q3_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n3 >= 0LL) && (2147483646LL - (long long )n2) - (long long )n3 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n3 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q3_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_back >= 0LL))) && (! multithreaded || 0 <= N) [2024-09-07 21:20:54,954 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((! multithreaded || 0 <= N) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )N) + (long long )q2_front >= 0LL && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n3 >= 0LL) && (1073741823LL - (long long )n2) + (long long )n3 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n3 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q3_back) + (long long )q3_front >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )N + (long long )n3 >= 0LL) && (long long )n2 + (long long )n3 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n2) - (long long )n3 >= 0LL) && (2147483647LL + (long long )N) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q3_back) - (long long )q3_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n3 >= 0LL) && (2147483646LL - (long long )n2) - (long long )n3 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n3 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q3_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_back >= 0LL))) && (! multithreaded || 0 <= N) [2024-09-07 21:20:54,954 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:20:54,954 INFO L1541 ArrayList]: ghost_update [L142-L142] multithreaded = 1; [2024-09-07 21:20:54,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:20:55,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:20:55,172 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:20:55,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:20:55,365 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:20:55,365 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55 WrapperNode [2024-09-07 21:20:55,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:20:55,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:20:55,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:20:55,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:20:55,374 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 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,390 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 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,449 INFO L138 Inliner]: procedures = 24, calls = 47, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 323 [2024-09-07 21:20:55,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:20:55,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:20:55,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:20:55,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:20:55,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:20:55,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:20:55,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:20:55,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:20:55,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (1/1) ... [2024-09-07 21:20:55,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:20:55,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:20:55,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:20:55,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:20:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:20:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:20:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:20:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:20:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-07 21:20:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:20:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:20:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-07 21:20:55,603 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:20:55,710 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:20:55,712 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:20:56,356 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:20:56,359 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:20:56,719 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:20:56,720 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-07 21:20:56,720 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:20:56 BoogieIcfgContainer [2024-09-07 21:20:56,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:20:56,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:20:56,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:20:56,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:20:56,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:20:54" (1/4) ... [2024-09-07 21:20:56,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222a67a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:20:56, skipping insertion in model container [2024-09-07 21:20:56,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:20:54" (2/4) ... [2024-09-07 21:20:56,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222a67a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:20:56, skipping insertion in model container [2024-09-07 21:20:56,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:20:55" (3/4) ... [2024-09-07 21:20:56,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222a67a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:20:56, skipping insertion in model container [2024-09-07 21:20:56,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:20:56" (4/4) ... [2024-09-07 21:20:56,731 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2024-09-07 21:20:56,748 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:20:56,748 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-07 21:20:56,748 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:20:56,828 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-07 21:20:56,875 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:20:56,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:20:56,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:20:56,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:20:56,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:20:56,916 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:20:56,928 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:20:56,936 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6c662bec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:20:56,938 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-07 21:20:57,475 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:20:57,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:20:57,480 INFO L85 PathProgramCache]: Analyzing trace with hash -579120358, now seen corresponding path program 1 times [2024-09-07 21:20:57,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:20:57,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928324536] [2024-09-07 21:20:57,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:20:57,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:20:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:20:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:20:59,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:20:59,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928324536] [2024-09-07 21:20:59,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928324536] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:20:59,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:20:59,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 21:20:59,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447986741] [2024-09-07 21:20:59,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:20:59,626 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:20:59,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:20:59,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:20:59,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-07 21:20:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:20:59,648 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:20:59,649 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-09-07 21:20:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:20:59,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:20:59,712 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:20:59,712 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:20:59,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:20:59,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1600363714, now seen corresponding path program 1 times [2024-09-07 21:20:59,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:20:59,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757661646] [2024-09-07 21:20:59,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:20:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:20:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:01,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:21:01,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757661646] [2024-09-07 21:21:01,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757661646] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:21:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904627799] [2024-09-07 21:21:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:01,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:21:01,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:21:01,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:21:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:01,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-07 21:21:01,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:21:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:01,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:21:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:07,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904627799] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:21:07,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:21:07,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2024-09-07 21:21:07,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708731549] [2024-09-07 21:21:07,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:21:07,041 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-07 21:21:07,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:21:07,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-07 21:21:07,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-09-07 21:21:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:07,044 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:21:07,044 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 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) [2024-09-07 21:21:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:07,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-07 21:21:07,420 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-07 21:21:07,421 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:21:07,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:21:07,421 INFO L85 PathProgramCache]: Analyzing trace with hash 974421274, now seen corresponding path program 2 times [2024-09-07 21:21:07,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:21:07,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40787883] [2024-09-07 21:21:07,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:07,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:21:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:08,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:21:08,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40787883] [2024-09-07 21:21:08,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40787883] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:21:08,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706676857] [2024-09-07 21:21:08,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:21:08,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:08,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:21:08,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:21:08,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-07 21:21:08,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:21:08,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:21:08,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-07 21:21:08,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:21:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-07 21:21:09,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:21:09,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706676857] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:21:09,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:21:09,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-09-07 21:21:09,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816074826] [2024-09-07 21:21:09,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:21:09,074 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:21:09,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:21:09,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:21:09,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-09-07 21:21:09,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:09,075 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:21:09,077 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-09-07 21:21:09,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:09,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:09,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:09,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-07 21:21:09,344 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:09,345 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:21:09,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:21:09,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1889757462, now seen corresponding path program 1 times [2024-09-07 21:21:09,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:21:09,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798530558] [2024-09-07 21:21:09,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:21:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:21:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798530558] [2024-09-07 21:21:10,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798530558] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:21:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086268721] [2024-09-07 21:21:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:10,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:10,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:21:10,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:21:10,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-07 21:21:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:10,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-07 21:21:10,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:21:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:11,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:21:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:15,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086268721] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:21:15,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:21:15,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 26 [2024-09-07 21:21:15,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444352801] [2024-09-07 21:21:15,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:21:15,184 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-07 21:21:15,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:21:15,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-07 21:21:15,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2024-09-07 21:21:15,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:15,187 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:21:15,187 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 27 states have internal predecessors, (37), 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) [2024-09-07 21:21:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:21:15,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-07 21:21:15,666 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:15,667 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:21:15,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:21:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1219947030, now seen corresponding path program 2 times [2024-09-07 21:21:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:21:15,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124507155] [2024-09-07 21:21:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:21:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:17,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:21:17,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124507155] [2024-09-07 21:21:17,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124507155] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:21:17,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996435257] [2024-09-07 21:21:17,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:21:17,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:21:17,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:21:17,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-07 21:21:17,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:21:17,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:21:17,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-07 21:21:17,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:21:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-07 21:21:17,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:21:17,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996435257] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:21:17,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:21:17,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 19 [2024-09-07 21:21:17,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005004855] [2024-09-07 21:21:17,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:21:17,713 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:21:17,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:21:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:21:17,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-09-07 21:21:17,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:17,714 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:21:17,714 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-09-07 21:21:17,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:17,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:21:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:21:17,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:17,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-07 21:21:17,953 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:17,953 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:21:17,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:21:17,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1926137873, now seen corresponding path program 1 times [2024-09-07 21:21:17,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:21:17,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790267514] [2024-09-07 21:21:17,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:21:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:19,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:21:19,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790267514] [2024-09-07 21:21:19,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790267514] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:21:19,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93232858] [2024-09-07 21:21:19,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:19,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:19,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:21:19,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:21:19,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-07 21:21:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:19,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-07 21:21:19,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:21:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:20,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:21:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:24,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93232858] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:21:24,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:21:24,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 47 [2024-09-07 21:21:24,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658862695] [2024-09-07 21:21:24,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:21:24,512 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-09-07 21:21:24,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:21:24,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-09-07 21:21:24,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=721, Invalid=1631, Unknown=0, NotChecked=0, Total=2352 [2024-09-07 21:21:24,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:24,514 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:21:24,515 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 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) [2024-09-07 21:21:24,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:24,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:24,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:24,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:21:24,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:24,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:21:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:25,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:21:25,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-07 21:21:25,209 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:25,209 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:21:25,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:21:25,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1656813039, now seen corresponding path program 2 times [2024-09-07 21:21:25,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:21:25,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162719162] [2024-09-07 21:21:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:21:25,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:21:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:21:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:21:27,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:21:27,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162719162] [2024-09-07 21:21:27,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162719162] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:21:27,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033085895] [2024-09-07 21:21:27,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:21:27,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:21:27,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:21:27,774 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:21:27,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-07 21:21:27,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:21:27,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:21:27,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-09-07 21:21:27,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:21:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-07 21:21:28,376 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:21:28,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033085895] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:21:28,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:21:28,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [28] total 32 [2024-09-07 21:21:28,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145528071] [2024-09-07 21:21:28,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:21:28,377 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:21:28,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:21:28,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:21:28,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=795, Unknown=0, NotChecked=0, Total=1122 [2024-09-07 21:21:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:28,378 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:21:28,378 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-09-07 21:21:28,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:21:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:21:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:21:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-07 21:21:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-07 21:21:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:21:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-07 21:21:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-07 21:21:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-09-07 21:21:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:21:38,807 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-07 21:21:38,808 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-07 21:21:38,808 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-07 21:21:38,808 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-07 21:21:38,808 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-07 21:21:38,808 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-07 21:21:38,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-07 21:21:39,009 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-07 21:21:39,014 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1] [2024-09-07 21:21:39,017 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:21:39,017 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:21:39,019 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-07 21:21:39,019 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-07 21:21:39,020 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:21:39 BasicIcfg [2024-09-07 21:21:39,020 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:21:39,020 INFO L158 Benchmark]: Toolchain (without parser) took 44097.75ms. Allocated memory was 155.2MB in the beginning and 916.5MB in the end (delta: 761.3MB). Free memory was 83.5MB in the beginning and 612.4MB in the end (delta: -528.9MB). Peak memory consumption was 235.4MB. Max. memory is 16.1GB. [2024-09-07 21:21:39,021 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:21:39,021 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:21:39,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.14ms. Allocated memory is still 155.2MB. Free memory was 83.2MB in the beginning and 119.0MB in the end (delta: -35.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-07 21:21:39,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.86ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 114.3MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-07 21:21:39,022 INFO L158 Benchmark]: Boogie Preprocessor took 61.64ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 111.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:21:39,022 INFO L158 Benchmark]: RCFGBuilder took 1206.61ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 113.9MB in the end (delta: -2.3MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-09-07 21:21:39,022 INFO L158 Benchmark]: TraceAbstraction took 42296.03ms. Allocated memory was 155.2MB in the beginning and 916.5MB in the end (delta: 761.3MB). Free memory was 113.8MB in the beginning and 612.4MB in the end (delta: -498.5MB). Peak memory consumption was 261.7MB. Max. memory is 16.1GB. [2024-09-07 21:21:39,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.14ms. Allocated memory is still 155.2MB. Free memory was 83.2MB in the beginning and 119.0MB in the end (delta: -35.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.86ms. Allocated memory is still 155.2MB. Free memory was 119.0MB in the beginning and 114.3MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.64ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 111.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1206.61ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 113.9MB in the end (delta: -2.3MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * TraceAbstraction took 42296.03ms. Allocated memory was 155.2MB in the beginning and 916.5MB in the end (delta: 761.3MB). Free memory was 113.8MB in the beginning and 612.4MB in the end (delta: -498.5MB). Peak memory consumption was 261.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8059, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 1171, dependent conditional: 1167, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 0, independent unconditional: 6888, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 0, independent unconditional: 6888, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 732, independent: 728, independent conditional: 0, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 732, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 706, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6892, independent: 6160, independent conditional: 0, independent unconditional: 6160, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 732, unknown conditional: 0, unknown unconditional: 732] , Statistics on independence cache: Total cache size (in pairs): 732, Positive cache size: 728, Positive conditional cache size: 0, Positive unconditional cache size: 728, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6160, Maximal queried relation: 0, Independence queries for same thread: 1167, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 46, Number of trivial persistent sets: 16, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 732, independent: 728, independent conditional: 0, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8059, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 1171, dependent conditional: 1167, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 6160, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 0, independent unconditional: 6888, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6892, independent: 6888, independent conditional: 0, independent unconditional: 6888, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 732, independent: 728, independent conditional: 0, independent unconditional: 728, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 732, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 42, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 706, independent: 696, independent conditional: 0, independent unconditional: 696, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6892, independent: 6160, independent conditional: 0, independent unconditional: 6160, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 732, unknown conditional: 0, unknown unconditional: 732] , Statistics on independence cache: Total cache size (in pairs): 732, Positive cache size: 728, Positive conditional cache size: 0, Positive unconditional cache size: 728, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6160, Maximal queried relation: 0, Independence queries for same thread: 1167 - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 145]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 75 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 42.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 12.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 223, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 231 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 13614 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1188 ConjunctsInSsa, 219 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 321/849 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:21:39,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:21:39,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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