./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.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-more-buffer-series.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-more-buffer-series.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-buffer-series.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 [2024-09-08 00:01:54,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 00:01:54,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 00:01:54,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 00:01:54,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 00:01:54,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 00:01:54,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 00:01:54,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 00:01:54,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 00:01:54,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 00:01:54,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 00:01:54,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 00:01:54,302 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 00:01:54,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 00:01:54,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 00:01:54,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 00:01:54,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 00:01:54,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 00:01:54,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 00:01:54,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 00:01:54,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 00:01:54,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 00:01:54,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 00:01:54,306 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 00:01:54,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 00:01:54,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 00:01:54,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 00:01:54,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 00:01:54,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 00:01:54,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 00:01:54,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:01:54,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 00:01:54,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 00:01:54,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 00:01:54,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 00:01:54,313 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 00:01:54,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 00:01:54,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 00:01:54,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 00:01:54,314 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 00:01:54,314 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 00:01:54,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 00:01:54,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 00:01:54,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 00:01:54,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 00:01:54,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 00:01:54,587 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 00:01:54,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-09-08 00:01:56,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 00:01:56,208 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 00:01:56,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-09-08 00:01:56,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49c5ab347/ce40a35bceae4a6e8871b11e874b0d37/FLAG6b53380f2 [2024-09-08 00:01:56,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49c5ab347/ce40a35bceae4a6e8871b11e874b0d37 [2024-09-08 00:01:56,232 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 00:01:56,234 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 00:01:56,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-buffer-series.wvr.yml/witness.yml [2024-09-08 00:01:56,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 00:01:56,345 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 00:01:56,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 00:01:56,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 00:01:56,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 00:01:56,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:01:56" (1/2) ... [2024-09-08 00:01:56,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1070f24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:01:56, skipping insertion in model container [2024-09-08 00:01:56,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:01:56" (1/2) ... [2024-09-08 00:01:56,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e0953df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:01:56, skipping insertion in model container [2024-09-08 00:01:56,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:01:56" (2/2) ... [2024-09-08 00:01:56,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1070f24d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56, skipping insertion in model container [2024-09-08 00:01:56,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:01:56" (2/2) ... [2024-09-08 00:01:56,391 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 00:01:56,391 INFO L1541 ArrayList]: Location invariant before [L148-L148] ((((! multithreaded || 0 <= j) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )N) + (long long )i >= 0LL) && (1073741823LL - (long long )N) + (long long )j >= 0LL) && (1073741823LL - (long long )N) + (long long )n1 >= 0LL) && (1073741823LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )N + (long long )i >= 0LL) && (long long )N + (long long )j >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )N) - (long long )n1 >= 0LL) && (2147483646LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 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 )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL))) && (! multithreaded || 0 <= i)) && (! multithreaded || (((0 <= i && 0 <= j) && 0 <= N) && N <= 1073741823))) && (! multithreaded || (0 <= N && N <= 1073741823)) [2024-09-08 00:01:56,392 INFO L1541 ArrayList]: Location invariant before [L146-L146] ((((! multithreaded || 0 <= j) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )N) + (long long )i >= 0LL) && (1073741823LL - (long long )N) + (long long )j >= 0LL) && (1073741823LL - (long long )N) + (long long )n1 >= 0LL) && (1073741823LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )N + (long long )i >= 0LL) && (long long )N + (long long )j >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )N) - (long long )n1 >= 0LL) && (2147483646LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 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 )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL))) && (! multithreaded || 0 <= i)) && (! multithreaded || (((0 <= i && 0 <= j) && 0 <= N) && N <= 1073741823))) && (! multithreaded || (0 <= N && N <= 1073741823)) [2024-09-08 00:01:56,392 INFO L1541 ArrayList]: Location invariant before [L147-L147] ((((! multithreaded || 0 <= j) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )N) + (long long )i >= 0LL) && (1073741823LL - (long long )N) + (long long )j >= 0LL) && (1073741823LL - (long long )N) + (long long )n1 >= 0LL) && (1073741823LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )N + (long long )i >= 0LL) && (long long )N + (long long )j >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )N) - (long long )n1 >= 0LL) && (2147483646LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 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 )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL))) && (! multithreaded || 0 <= i)) && (! multithreaded || (((0 <= i && 0 <= j) && 0 <= N) && N <= 1073741823))) && (! multithreaded || (0 <= N && N <= 1073741823)) [2024-09-08 00:01:56,392 INFO L1541 ArrayList]: Location invariant before [L149-L149] ((((! multithreaded || 0 <= j) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )n1) + (long long )q1_front >= 0LL && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )N) + (long long )i >= 0LL) && (1073741823LL - (long long )N) + (long long )j >= 0LL) && (1073741823LL - (long long )N) + (long long )n1 >= 0LL) && (1073741823LL - (long long )N) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (long long )i + (long long )n1 >= 0LL) && (long long )i + (long long )n2 >= 0LL) && (long long )j + (long long )n1 >= 0LL) && (long long )j + (long long )n2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )N + (long long )i >= 0LL) && (long long )N + (long long )j >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (1073741823LL + (long long )i) - (long long )n1 >= 0LL) && (1073741823LL + (long long )i) - (long long )n2 >= 0LL) && (1073741823LL + (long long )j) - (long long )n1 >= 0LL) && (1073741823LL + (long long )j) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )i) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )j) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 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) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )N) - (long long )n1 >= 0LL) && (2147483646LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 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 )n2) - (long long )q1_front >= 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 )N) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q1_back >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL))) && (! multithreaded || 0 <= i)) && (! multithreaded || (((0 <= i && 0 <= j) && 0 <= N) && N <= 1073741823))) && (! multithreaded || (0 <= N && N <= 1073741823)) [2024-09-08 00:01:56,393 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 00:01:56,393 INFO L1541 ArrayList]: ghost_update [L145-L145] multithreaded = 1; [2024-09-08 00:01:56,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 00:01:56,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:01:56,694 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 00:01:56,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:01:56,919 INFO L204 MainTranslator]: Completed translation [2024-09-08 00:01:56,921 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56 WrapperNode [2024-09-08 00:01:56,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 00:01:56,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 00:01:56,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 00:01:56,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 00:01:56,932 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 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:56,945 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 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:56,999 INFO L138 Inliner]: procedures = 26, calls = 68, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 353 [2024-09-08 00:01:57,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 00:01:57,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 00:01:57,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 00:01:57,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 00:01:57,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 00:01:57,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 00:01:57,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 00:01:57,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 00:01:57,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (1/1) ... [2024-09-08 00:01:57,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:01:57,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:01:57,084 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) [2024-09-08 00:01:57,090 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 [2024-09-08 00:01:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 00:01:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 00:01:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 00:01:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 00:01:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 00:01:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 00:01:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 00:01:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 00:01:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 00:01:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 00:01:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 00:01:57,144 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 00:01:57,285 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 00:01:57,288 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 00:01:57,977 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 00:01:57,977 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 00:01:58,339 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 00:01:58,339 INFO L318 CfgBuilder]: Removed 7 assume(true) statements. [2024-09-08 00:01:58,339 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:01:58 BoogieIcfgContainer [2024-09-08 00:01:58,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 00:01:58,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 00:01:58,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 00:01:58,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 00:01:58,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:01:56" (1/4) ... [2024-09-08 00:01:58,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468fbbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:01:58, skipping insertion in model container [2024-09-08 00:01:58,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:01:56" (2/4) ... [2024-09-08 00:01:58,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468fbbd3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:01:58, skipping insertion in model container [2024-09-08 00:01:58,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:01:56" (3/4) ... [2024-09-08 00:01:58,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468fbbd3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:01:58, skipping insertion in model container [2024-09-08 00:01:58,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:01:58" (4/4) ... [2024-09-08 00:01:58,351 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-09-08 00:01:58,369 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 00:01:58,370 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-08 00:01:58,370 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 00:01:58,460 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 00:01:58,509 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:01:58,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 00:01:58,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:01:58,512 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) [2024-09-08 00:01:58,514 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 [2024-09-08 00:01:58,548 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 00:01:58,561 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 00:01:58,569 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;@2d723726, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:01:58,570 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-09-08 00:01:58,957 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:01:58,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:01:58,962 INFO L85 PathProgramCache]: Analyzing trace with hash -3786743, now seen corresponding path program 1 times [2024-09-08 00:01:58,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:01:58,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005371339] [2024-09-08 00:01:58,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:01:58,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:01:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:01,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:02:01,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005371339] [2024-09-08 00:02:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005371339] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:02:01,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:02:01,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 00:02:01,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444750344] [2024-09-08 00:02:01,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:02:01,684 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:02:01,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:02:01,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:02:01,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-08 00:02:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:01,713 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:02:01,714 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) [2024-09-08 00:02:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:01,798 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 00:02:01,798 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:02:01,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:02:01,799 INFO L85 PathProgramCache]: Analyzing trace with hash 497446961, now seen corresponding path program 1 times [2024-09-08 00:02:01,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:02:01,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517741031] [2024-09-08 00:02:01,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:01,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:02:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:03,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:02:03,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517741031] [2024-09-08 00:02:03,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517741031] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:02:03,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038774887] [2024-09-08 00:02:03,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:03,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:02:03,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:02:03,888 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) [2024-09-08 00:02:03,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 00:02:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:04,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-08 00:02:04,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:02:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:04,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 00:02:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038774887] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 00:02:11,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 00:02:11,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-09-08 00:02:11,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516597178] [2024-09-08 00:02:11,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 00:02:11,462 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-08 00:02:11,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:02:11,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-08 00:02:11,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-08 00:02:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:11,464 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:02:11,464 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.0625) internal successors, (33), 16 states have internal predecessors, (33), 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) [2024-09-08 00:02:11,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:11,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:11,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 00:02:12,028 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 [2024-09-08 00:02:12,029 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:02:12,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:02:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1842937335, now seen corresponding path program 2 times [2024-09-08 00:02:12,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:02:12,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346001275] [2024-09-08 00:02:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:02:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:14,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:02:14,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346001275] [2024-09-08 00:02:14,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346001275] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:02:14,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740274393] [2024-09-08 00:02:14,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 00:02:14,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:02:14,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:02:14,062 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) [2024-09-08 00:02:14,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 00:02:14,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 00:02:14,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 00:02:14,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-08 00:02:14,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:02:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 00:02:14,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 00:02:14,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740274393] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:02:14,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 00:02:14,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-09-08 00:02:14,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527126476] [2024-09-08 00:02:14,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:02:14,574 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:02:14,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:02:14,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:02:14,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-09-08 00:02:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:14,576 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:02:14,576 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) [2024-09-08 00:02:14,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:14,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:14,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:14,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:14,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:02:14,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 00:02:14,823 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 [2024-09-08 00:02:14,824 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:02:14,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:02:14,824 INFO L85 PathProgramCache]: Analyzing trace with hash -412718754, now seen corresponding path program 1 times [2024-09-08 00:02:14,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:02:14,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738108733] [2024-09-08 00:02:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:14,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:02:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:02:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738108733] [2024-09-08 00:02:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738108733] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:02:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006615421] [2024-09-08 00:02:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:16,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:02:16,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:02:16,813 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) [2024-09-08 00:02:16,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 00:02:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:16,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-08 00:02:16,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:02:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:17,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 00:02:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:23,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006615421] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 00:02:23,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 00:02:23,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-09-08 00:02:23,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746571109] [2024-09-08 00:02:23,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 00:02:23,363 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 00:02:23,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:02:23,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 00:02:23,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=643, Unknown=0, NotChecked=0, Total=812 [2024-09-08 00:02:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:23,365 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:02:23,365 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 28 states have internal predecessors, (45), 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) [2024-09-08 00:02:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:02:23,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:02:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:02:24,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 00:02:24,605 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 [2024-09-08 00:02:24,605 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:02:24,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:02:24,606 INFO L85 PathProgramCache]: Analyzing trace with hash -821921186, now seen corresponding path program 2 times [2024-09-08 00:02:24,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:02:24,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229892787] [2024-09-08 00:02:24,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:24,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:02:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:27,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:02:27,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229892787] [2024-09-08 00:02:27,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229892787] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:02:27,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809341349] [2024-09-08 00:02:27,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 00:02:27,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:02:27,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:02:27,397 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) [2024-09-08 00:02:27,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 00:02:27,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 00:02:27,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 00:02:27,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-08 00:02:27,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:02:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 00:02:28,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 00:02:28,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809341349] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:02:28,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 00:02:28,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 19 [2024-09-08 00:02:28,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238050750] [2024-09-08 00:02:28,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:02:28,060 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:02:28,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:02:28,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:02:28,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2024-09-08 00:02:28,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:28,061 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:02:28,061 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) [2024-09-08 00:02:28,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:28,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:28,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:02:28,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:02:28,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:02:28,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:02:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:02:28,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 00:02:28,301 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 [2024-09-08 00:02:28,301 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:02:28,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:02:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash 488781250, now seen corresponding path program 1 times [2024-09-08 00:02:28,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:02:28,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056940378] [2024-09-08 00:02:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:02:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:31,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:02:31,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056940378] [2024-09-08 00:02:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056940378] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:02:31,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774311475] [2024-09-08 00:02:31,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:02:31,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:02:31,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:02:31,173 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) [2024-09-08 00:02:31,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 00:02:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:02:31,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-09-08 00:02:31,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:02:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:32,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 00:02:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:02:47,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774311475] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 00:02:47,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 00:02:47,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 48 [2024-09-08 00:02:47,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740133856] [2024-09-08 00:02:47,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 00:02:47,500 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-09-08 00:02:47,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:02:47,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-09-08 00:02:47,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1970, Unknown=0, NotChecked=0, Total=2450 [2024-09-08 00:02:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:02:47,502 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:02:47,502 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 1.346938775510204) internal successors, (66), 49 states have internal predecessors, (66), 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) [2024-09-08 00:02:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:02:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:02:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:02:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:02:47,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:02:47,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:16,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-08 00:03:16,300 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 [2024-09-08 00:03:16,301 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:03:16,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:03:16,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1303866430, now seen corresponding path program 2 times [2024-09-08 00:03:16,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:03:16,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452236111] [2024-09-08 00:03:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:03:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:03:20,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:03:20,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452236111] [2024-09-08 00:03:20,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452236111] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:03:20,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876745600] [2024-09-08 00:03:20,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 00:03:20,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:03:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:03:20,874 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) [2024-09-08 00:03:20,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 00:03:20,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 00:03:20,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 00:03:20,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-08 00:03:20,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:03:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 00:03:21,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 00:03:21,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876745600] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:03:21,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 00:03:21,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [28] total 32 [2024-09-08 00:03:21,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434343319] [2024-09-08 00:03:21,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:03:21,851 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:03:21,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:03:21,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:03:21,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=1050, Unknown=0, NotChecked=0, Total=1122 [2024-09-08 00:03:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:21,853 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:03:21,853 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-09-08 00:03:21,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:21,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:24,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:24,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 00:03:25,038 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 [2024-09-08 00:03:25,039 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:03:25,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:03:25,039 INFO L85 PathProgramCache]: Analyzing trace with hash 479451382, now seen corresponding path program 1 times [2024-09-08 00:03:25,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:03:25,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814719904] [2024-09-08 00:03:25,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:25,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:03:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:03:31,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:03:31,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814719904] [2024-09-08 00:03:31,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814719904] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:03:31,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059470673] [2024-09-08 00:03:31,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:03:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:03:31,915 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 00:03:31,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 00:03:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:32,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 00:03:32,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:03:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 00:03:35,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 00:03:35,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059470673] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:03:35,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 00:03:35,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [32] total 37 [2024-09-08 00:03:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060519577] [2024-09-08 00:03:35,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:03:35,781 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 00:03:35,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:03:35,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 00:03:35,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=1129, Unknown=0, NotChecked=0, Total=1482 [2024-09-08 00:03:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:35,784 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:03:35,784 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:35,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:37,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:03:37,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 00:03:37,591 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:03:37,592 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:03:37,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:03:37,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1183686383, now seen corresponding path program 1 times [2024-09-08 00:03:37,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:03:37,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824006221] [2024-09-08 00:03:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:03:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:03:43,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:03:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824006221] [2024-09-08 00:03:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824006221] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:03:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566364456] [2024-09-08 00:03:43,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:43,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:03:43,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:03:43,487 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 00:03:43,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 00:03:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:43,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 00:03:43,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:03:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 00:03:47,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 00:03:47,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566364456] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:03:47,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 00:03:47,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 38 [2024-09-08 00:03:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636319156] [2024-09-08 00:03:47,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:03:47,423 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 00:03:47,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:03:47,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 00:03:47,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1202, Unknown=0, NotChecked=0, Total=1560 [2024-09-08 00:03:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:47,424 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:03:47,424 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2024-09-08 00:03:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:03:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:03:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:03:50,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-08 00:03:50,307 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:03:50,307 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-08 00:03:50,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:03:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1631774983, now seen corresponding path program 1 times [2024-09-08 00:03:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:03:50,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993668084] [2024-09-08 00:03:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:50,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:03:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:03:54,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:03:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993668084] [2024-09-08 00:03:54,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993668084] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:03:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970716110] [2024-09-08 00:03:54,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:03:54,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:03:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:03:54,931 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 00:03:54,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 00:03:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:03:55,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 00:03:55,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:03:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 00:03:58,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 00:03:58,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970716110] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:03:58,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 00:03:58,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [31] total 35 [2024-09-08 00:03:58,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914607954] [2024-09-08 00:03:58,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:03:58,870 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:03:58,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:03:58,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:03:58,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=986, Unknown=0, NotChecked=0, Total=1332 [2024-09-08 00:03:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:03:58,871 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:03:58,871 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-09-08 00:03:58,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:03:58,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:04:28,048 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 251 DAG size of output: 251 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 00:04:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:04:46,573 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-09-08 00:04:46,573 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-09-08 00:04:46,573 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-09-08 00:04:46,573 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-09-08 00:04:46,574 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-09-08 00:04:46,574 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-09-08 00:04:46,574 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-09-08 00:04:46,574 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-09-08 00:04:46,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 00:04:46,774 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 00:04:46,780 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2024-09-08 00:04:46,783 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 00:04:46,783 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 00:04:46,785 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-08 00:04:46,785 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-08 00:04:46,786 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:04:46 BasicIcfg [2024-09-08 00:04:46,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 00:04:46,787 INFO L158 Benchmark]: Toolchain (without parser) took 170441.41ms. Allocated memory was 180.4MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 109.0MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 743.8MB. Max. memory is 16.1GB. [2024-09-08 00:04:46,787 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:04:46,787 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:04:46,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.26ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 133.7MB in the end (delta: -25.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-08 00:04:46,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.57ms. Allocated memory is still 180.4MB. Free memory was 133.2MB in the beginning and 127.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-08 00:04:46,788 INFO L158 Benchmark]: Boogie Preprocessor took 46.78ms. Allocated memory is still 180.4MB. Free memory was 127.5MB in the beginning and 124.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 00:04:46,788 INFO L158 Benchmark]: RCFGBuilder took 1291.35ms. Allocated memory is still 180.4MB. Free memory was 124.0MB in the beginning and 137.8MB in the end (delta: -13.8MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2024-09-08 00:04:46,788 INFO L158 Benchmark]: TraceAbstraction took 168443.01ms. Allocated memory was 180.4MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 137.8MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 769.0MB. Max. memory is 16.1GB. [2024-09-08 00:04:46,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.26ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 133.7MB in the end (delta: -25.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.57ms. Allocated memory is still 180.4MB. Free memory was 133.2MB in the beginning and 127.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.78ms. Allocated memory is still 180.4MB. Free memory was 127.5MB in the beginning and 124.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1291.35ms. Allocated memory is still 180.4MB. Free memory was 124.0MB in the beginning and 137.8MB in the end (delta: -13.8MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * TraceAbstraction took 168443.01ms. Allocated memory was 180.4MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 137.8MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 769.0MB. 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: 4381143, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 384334, dependent conditional: 384293, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4096755, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 99946, dependent conditional: 99905, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4096755, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 99946, dependent conditional: 99905, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4623158, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 626349, dependent conditional: 626308, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4623158, independent: 3996809, independent conditional: 48833, independent unconditional: 3947976, dependent: 626349, dependent conditional: 458480, dependent unconditional: 167869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4623158, independent: 3996809, independent conditional: 48833, independent unconditional: 3947976, dependent: 626349, dependent conditional: 458480, dependent unconditional: 167869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2258, independent: 1818, independent conditional: 29, independent unconditional: 1789, dependent: 440, dependent conditional: 399, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2258, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 538, dependent conditional: 0, dependent unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 538, independent: 98, independent conditional: 29, independent unconditional: 69, dependent: 440, dependent conditional: 399, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 538, independent: 98, independent conditional: 29, independent unconditional: 69, dependent: 440, dependent conditional: 399, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4024, independent: 1302, independent conditional: 368, independent unconditional: 933, dependent: 2722, dependent conditional: 2505, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4623158, independent: 3994991, independent conditional: 48804, independent unconditional: 3946187, dependent: 625909, dependent conditional: 458081, dependent unconditional: 167828, unknown: 2258, unknown conditional: 428, unknown unconditional: 1830] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 1818, Positive conditional cache size: 29, Positive unconditional cache size: 1789, Negative cache size: 440, Negative conditional cache size: 399, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4113735, Maximal queried relation: 9, Independence queries for same thread: 284388, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 5845, Number of trivial persistent sets: 4646, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2110, independent: 2069, independent conditional: 0, independent unconditional: 2069, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4381143, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 384334, dependent conditional: 384293, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4096755, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 99946, dependent conditional: 99905, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4096755, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 99946, dependent conditional: 99905, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4623158, independent: 3996809, independent conditional: 3994740, independent unconditional: 2069, dependent: 626349, dependent conditional: 626308, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4623158, independent: 3996809, independent conditional: 48833, independent unconditional: 3947976, dependent: 626349, dependent conditional: 458480, dependent unconditional: 167869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4623158, independent: 3996809, independent conditional: 48833, independent unconditional: 3947976, dependent: 626349, dependent conditional: 458480, dependent unconditional: 167869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2258, independent: 1818, independent conditional: 29, independent unconditional: 1789, dependent: 440, dependent conditional: 399, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2258, independent: 1720, independent conditional: 0, independent unconditional: 1720, dependent: 538, dependent conditional: 0, dependent unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 538, independent: 98, independent conditional: 29, independent unconditional: 69, dependent: 440, dependent conditional: 399, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 538, independent: 98, independent conditional: 29, independent unconditional: 69, dependent: 440, dependent conditional: 399, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4024, independent: 1302, independent conditional: 368, independent unconditional: 933, dependent: 2722, dependent conditional: 2505, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4623158, independent: 3994991, independent conditional: 48804, independent unconditional: 3946187, dependent: 625909, dependent conditional: 458081, dependent unconditional: 167828, unknown: 2258, unknown conditional: 428, unknown unconditional: 1830] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 1818, Positive conditional cache size: 29, Positive unconditional cache size: 1789, Negative cache size: 440, Negative conditional cache size: 399, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4113735, Maximal queried relation: 9, Independence queries for same thread: 284388 - PositiveResult [Line: 146]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 147]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 148]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 149]: 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 9 procedures, 86 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 168.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 85.5s, 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: 112, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 79.1s InterpolantComputationTime, 554 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 45638 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2444 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 22 InterpolantComputations, 7 PerfectInterpolantSequences, 1779/2379 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 00:04:46,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 00:04:47,044 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