./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 e94c40da 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-dev-e94c40d-m [2024-09-23 06:06:00,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 06:06:00,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 06:06:00,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 06:06:00,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 06:06:00,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 06:06:00,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 06:06:00,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 06:06:00,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 06:06:00,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 06:06:00,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 06:06:00,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 06:06:00,637 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 06:06:00,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 06:06:00,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 06:06:00,638 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 06:06:00,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 06:06:00,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 06:06:00,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 06:06:00,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 06:06:00,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 06:06:00,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 06:06:00,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 06:06:00,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 06:06:00,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 06:06:00,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 06:06:00,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 06:06:00,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 06:06:00,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 06:06:00,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 06:06:00,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:06:00,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 06:06:00,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 06:06:00,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 06:06:00,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 06:06:00,649 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 06:06:00,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 06:06:00,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 06:06:00,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 06:06:00,650 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 06:06:00,650 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 06:06:00,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 06:06:00,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 06:06:00,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 06:06:01,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 06:06:01,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 06:06:01,004 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 06:06:01,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-09-23 06:06:02,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 06:06:02,784 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 06:06:02,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-09-23 06:06:02,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ccd2b055/ae5d72fb2bed40bc9168aeccd9197a83/FLAG987d4f57e [2024-09-23 06:06:03,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ccd2b055/ae5d72fb2bed40bc9168aeccd9197a83 [2024-09-23 06:06:03,153 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 06:06:03,154 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 06:06:03,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-buffer-series.wvr.yml/witness.yml [2024-09-23 06:06:03,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 06:06:03,283 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 06:06:03,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 06:06:03,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 06:06:03,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 06:06:03,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:06:03" (1/2) ... [2024-09-23 06:06:03,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742783a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:06:03, skipping insertion in model container [2024-09-23 06:06:03,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:06:03" (1/2) ... [2024-09-23 06:06:03,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@91f51b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:06:03, skipping insertion in model container [2024-09-23 06:06:03,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:06:03" (2/2) ... [2024-09-23 06:06:03,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742783a4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03, skipping insertion in model container [2024-09-23 06:06:03,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:06:03" (2/2) ... [2024-09-23 06:06:03,326 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 06:06:03,327 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)) [2024-09-23 06:06:03,327 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)) [2024-09-23 06:06:03,328 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)) [2024-09-23 06:06:03,328 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)) [2024-09-23 06:06:03,328 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 06:06:03,328 INFO L1541 ArrayList]: ghost_update [L145-L145] multithreaded = 1; [2024-09-23 06:06:03,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 06:06:03,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:06:03,584 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 06:06:03,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:06:03,822 INFO L204 MainTranslator]: Completed translation [2024-09-23 06:06:03,823 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03 WrapperNode [2024-09-23 06:06:03,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 06:06:03,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 06:06:03,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 06:06:03,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 06:06:03,833 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 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,859 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 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,933 INFO L138 Inliner]: procedures = 26, calls = 68, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 353 [2024-09-23 06:06:03,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 06:06:03,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 06:06:03,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 06:06:03,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 06:06:03,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:03,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:04,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:04,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:04,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 06:06:04,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 06:06:04,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 06:06:04,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 06:06:04,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (1/1) ... [2024-09-23 06:06:04,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:06:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:04,052 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) [2024-09-23 06:06:04,058 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 [2024-09-23 06:06:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 06:06:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 06:06:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 06:06:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 06:06:04,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 06:06:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 06:06:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 06:06:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-23 06:06:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-23 06:06:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-23 06:06:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-23 06:06:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 06:06:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 06:06:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 06:06:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-23 06:06:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 06:06:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 06:06:04,117 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 06:06:04,250 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 06:06:04,252 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 06:06:05,014 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 06:06:05,014 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 06:06:05,471 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 06:06:05,475 INFO L318 CfgBuilder]: Removed 7 assume(true) statements. [2024-09-23 06:06:05,476 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:06:05 BoogieIcfgContainer [2024-09-23 06:06:05,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 06:06:05,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 06:06:05,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 06:06:05,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 06:06:05,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 06:06:03" (1/4) ... [2024-09-23 06:06:05,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@918f402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:06:05, skipping insertion in model container [2024-09-23 06:06:05,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:06:03" (2/4) ... [2024-09-23 06:06:05,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@918f402 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:06:05, skipping insertion in model container [2024-09-23 06:06:05,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:06:03" (3/4) ... [2024-09-23 06:06:05,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@918f402 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:06:05, skipping insertion in model container [2024-09-23 06:06:05,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:06:05" (4/4) ... [2024-09-23 06:06:05,489 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-09-23 06:06:05,510 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 06:06:05,511 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-23 06:06:05,511 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 06:06:05,608 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-23 06:06:05,659 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:06:05,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 06:06:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:05,663 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) [2024-09-23 06:06:05,664 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 [2024-09-23 06:06:05,703 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 06:06:05,716 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 06:06:05,726 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;@38e1073c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:06:05,727 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-09-23 06:06:06,143 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)] === [2024-09-23 06:06:06,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:06,150 INFO L85 PathProgramCache]: Analyzing trace with hash -3786743, now seen corresponding path program 1 times [2024-09-23 06:06:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:06,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803857345] [2024-09-23 06:06:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:06,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:09,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:09,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803857345] [2024-09-23 06:06:09,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803857345] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:06:09,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:06:09,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 06:06:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685646156] [2024-09-23 06:06:09,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:06:09,285 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:06:09,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:06:09,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-23 06:06:09,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:09,317 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:09,320 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) [2024-09-23 06:06:09,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:09,403 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 06:06:09,403 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)] === [2024-09-23 06:06:09,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:09,404 INFO L85 PathProgramCache]: Analyzing trace with hash 497446961, now seen corresponding path program 1 times [2024-09-23 06:06:09,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:09,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223968126] [2024-09-23 06:06:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:09,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:11,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:11,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223968126] [2024-09-23 06:06:11,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223968126] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:11,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758609644] [2024-09-23 06:06:11,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:11,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:11,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:11,703 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) [2024-09-23 06:06:11,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 06:06:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:11,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-23 06:06:11,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:12,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:06:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:19,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758609644] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:06:19,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:06:19,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-09-23 06:06:19,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225464018] [2024-09-23 06:06:19,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:06:19,459 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-23 06:06:19,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:19,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-23 06:06:19,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-23 06:06:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:19,464 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:19,464 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) [2024-09-23 06:06:19,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:19,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:19,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:19,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-23 06:06:20,051 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 [2024-09-23 06:06:20,052 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)] === [2024-09-23 06:06:20,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1842937335, now seen corresponding path program 2 times [2024-09-23 06:06:20,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:20,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6914990] [2024-09-23 06:06:20,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:20,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:22,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:22,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6914990] [2024-09-23 06:06:22,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6914990] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:22,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681651163] [2024-09-23 06:06:22,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 06:06:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:22,239 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) [2024-09-23 06:06:22,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 06:06:22,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 06:06:22,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 06:06:22,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-23 06:06:22,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 06:06:22,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:06:22,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681651163] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:06:22,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:06:22,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-09-23 06:06:22,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508167272] [2024-09-23 06:06:22,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:06:22,748 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:06:22,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:22,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:06:22,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-09-23 06:06:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:22,749 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:22,749 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) [2024-09-23 06:06:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:22,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-23 06:06:23,009 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 [2024-09-23 06:06:23,010 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)] === [2024-09-23 06:06:23,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:23,011 INFO L85 PathProgramCache]: Analyzing trace with hash -412718754, now seen corresponding path program 1 times [2024-09-23 06:06:23,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:23,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94429805] [2024-09-23 06:06:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:23,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:25,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:25,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94429805] [2024-09-23 06:06:25,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94429805] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:25,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388874009] [2024-09-23 06:06:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:25,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:25,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:25,136 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) [2024-09-23 06:06:25,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 06:06:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:25,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-09-23 06:06:25,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:25,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:06:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:31,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388874009] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:06:31,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:06:31,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 27 [2024-09-23 06:06:31,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727349305] [2024-09-23 06:06:31,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:06:31,915 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-23 06:06:31,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:31,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-23 06:06:31,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=643, Unknown=0, NotChecked=0, Total=812 [2024-09-23 06:06:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:31,917 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:31,917 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) [2024-09-23 06:06:31,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:31,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:31,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:31,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:06:32,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-23 06:06:33,114 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 [2024-09-23 06:06:33,115 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)] === [2024-09-23 06:06:33,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:33,116 INFO L85 PathProgramCache]: Analyzing trace with hash -821921186, now seen corresponding path program 2 times [2024-09-23 06:06:33,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:33,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006682058] [2024-09-23 06:06:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:35,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:35,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006682058] [2024-09-23 06:06:35,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006682058] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:35,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95896027] [2024-09-23 06:06:35,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 06:06:35,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:35,981 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) [2024-09-23 06:06:35,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 06:06:36,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 06:06:36,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 06:06:36,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-23 06:06:36,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-23 06:06:36,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:06:36,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95896027] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:06:36,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:06:36,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 19 [2024-09-23 06:06:36,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686471923] [2024-09-23 06:06:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:06:36,684 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:06:36,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:36,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:06:36,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2024-09-23 06:06:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:36,686 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:36,686 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) [2024-09-23 06:06:36,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:36,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:36,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:36,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:06:36,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:06:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:06:36,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-23 06:06:36,925 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 [2024-09-23 06:06:36,926 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)] === [2024-09-23 06:06:36,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:06:36,926 INFO L85 PathProgramCache]: Analyzing trace with hash 488781250, now seen corresponding path program 1 times [2024-09-23 06:06:36,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:06:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936270935] [2024-09-23 06:06:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:06:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:40,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:06:40,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936270935] [2024-09-23 06:06:40,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936270935] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:06:40,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187478962] [2024-09-23 06:06:40,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:06:40,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:06:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:06:40,017 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) [2024-09-23 06:06:40,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-23 06:06:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:06:40,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-09-23 06:06:40,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:06:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:41,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 06:06:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:06:57,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187478962] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 06:06:57,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 06:06:57,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 48 [2024-09-23 06:06:57,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836602981] [2024-09-23 06:06:57,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 06:06:57,106 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-09-23 06:06:57,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:06:57,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-09-23 06:06:57,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1970, Unknown=0, NotChecked=0, Total=2450 [2024-09-23 06:06:57,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:06:57,109 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:06:57,109 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) [2024-09-23 06:06:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:06:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:06:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:06:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:06:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:06:57,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:07:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:07:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:07:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:07:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:07:26,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-23 06:07:26,989 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 [2024-09-23 06:07:26,990 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)] === [2024-09-23 06:07:26,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:07:26,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1303866430, now seen corresponding path program 2 times [2024-09-23 06:07:26,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:07:26,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598155218] [2024-09-23 06:07:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:07:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:07:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:07:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:07:31,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:07:31,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598155218] [2024-09-23 06:07:31,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598155218] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:07:31,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407159789] [2024-09-23 06:07:31,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 06:07:31,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:07:31,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:07:31,988 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) [2024-09-23 06:07:31,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-23 06:07:32,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 06:07:32,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 06:07:32,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-23 06:07:32,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:07:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-23 06:07:33,000 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:07:33,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407159789] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:07:33,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:07:33,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [28] total 32 [2024-09-23 06:07:33,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426815545] [2024-09-23 06:07:33,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:07:33,001 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:07:33,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:07:33,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:07:33,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=1050, Unknown=0, NotChecked=0, Total=1122 [2024-09-23 06:07:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:07:33,003 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:07:33,003 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) [2024-09-23 06:07:33,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:07:33,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:07:33,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:33,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:07:33,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:33,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:07:33,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:07:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:07:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:07:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:07:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:07:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:36,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-23 06:07:36,485 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 [2024-09-23 06:07:36,486 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)] === [2024-09-23 06:07:36,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:07:36,486 INFO L85 PathProgramCache]: Analyzing trace with hash 479451382, now seen corresponding path program 1 times [2024-09-23 06:07:36,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:07:36,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640155056] [2024-09-23 06:07:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:07:36,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:07:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:07:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:07:43,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:07:43,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640155056] [2024-09-23 06:07:43,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640155056] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:07:43,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438893051] [2024-09-23 06:07:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:07:43,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:07:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:07:43,639 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) [2024-09-23 06:07:43,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-23 06:07:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:07:43,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-23 06:07:43,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:07:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-23 06:07:47,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:07:47,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438893051] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:07:47,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:07:47,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [32] total 37 [2024-09-23 06:07:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623613358] [2024-09-23 06:07:47,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:07:47,759 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 06:07:47,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:07:47,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 06:07:47,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=1129, Unknown=0, NotChecked=0, Total=1482 [2024-09-23 06:07:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:07:47,761 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:07:47,761 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) [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:07:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:07:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:07:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:07:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:07:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:07:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:07:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:07:49,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-23 06:07:49,941 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 [2024-09-23 06:07:49,943 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)] === [2024-09-23 06:07:49,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:07:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1183686383, now seen corresponding path program 1 times [2024-09-23 06:07:49,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:07:49,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142517726] [2024-09-23 06:07:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:07:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:07:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:07:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:07:56,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:07:56,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142517726] [2024-09-23 06:07:56,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142517726] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:07:56,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475897642] [2024-09-23 06:07:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:07:56,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:07:56,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:07:56,340 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) [2024-09-23 06:07:56,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-23 06:07:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:07:56,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-23 06:07:56,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:08:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-23 06:08:00,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:08:00,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475897642] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:08:00,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:08:00,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 38 [2024-09-23 06:08:00,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162972896] [2024-09-23 06:08:00,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:08:00,498 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 06:08:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:08:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 06:08:00,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1202, Unknown=0, NotChecked=0, Total=1560 [2024-09-23 06:08:00,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:08:00,500 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:08:00,500 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) [2024-09-23 06:08:00,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:08:00,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:08:00,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:08:00,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:08:00,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:08:00,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:08:00,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:08:00,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:08:00,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:08:03,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:08:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:08:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:08:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:08:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:08:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:08:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:08:03,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:08:03,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:08:03,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-23 06:08:04,024 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 [2024-09-23 06:08:04,025 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)] === [2024-09-23 06:08:04,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:08:04,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1631774983, now seen corresponding path program 1 times [2024-09-23 06:08:04,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:08:04,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839370865] [2024-09-23 06:08:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:08:04,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:08:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:08:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:08:08,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:08:08,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839370865] [2024-09-23 06:08:08,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839370865] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 06:08:08,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769831590] [2024-09-23 06:08:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:08:08,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 06:08:08,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:08:08,770 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) [2024-09-23 06:08:08,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-23 06:08:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:08:08,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-23 06:08:08,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 06:08:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-23 06:08:12,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 06:08:12,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769831590] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:08:12,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 06:08:12,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [31] total 35 [2024-09-23 06:08:12,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090776166] [2024-09-23 06:08:12,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:08:12,752 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:08:12,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:08:12,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:08:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=986, Unknown=0, NotChecked=0, Total=1332 [2024-09-23 06:08:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:08:12,754 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:08:12,754 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) [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:08:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:08:43,769 WARN L293 SmtUtils]: Spent 5.50s 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) [2024-09-23 06:09:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:09:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:09:05,241 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-09-23 06:09:05,241 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-09-23 06:09:05,242 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-09-23 06:09:05,242 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-09-23 06:09:05,242 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-09-23 06:09:05,242 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-09-23 06:09:05,242 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-09-23 06:09:05,242 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-09-23 06:09:05,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-23 06:09:05,442 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 [2024-09-23 06:09:05,449 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2024-09-23 06:09:05,452 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 06:09:05,452 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 06:09:05,457 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-23 06:09:05,458 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-23 06:09:05,459 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 06:09:05 BasicIcfg [2024-09-23 06:09:05,459 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 06:09:05,460 INFO L158 Benchmark]: Toolchain (without parser) took 182180.33ms. Allocated memory was 163.6MB in the beginning and 9.0GB in the end (delta: 8.8GB). Free memory was 123.9MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 591.3MB. Max. memory is 16.1GB. [2024-09-23 06:09:05,460 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:09:05,461 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 163.6MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:09:05,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.11ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 98.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-23 06:09:05,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.70ms. Allocated memory is still 163.6MB. Free memory was 98.8MB in the beginning and 93.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-23 06:09:05,461 INFO L158 Benchmark]: Boogie Preprocessor took 81.39ms. Allocated memory is still 163.6MB. Free memory was 93.9MB in the beginning and 91.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 06:09:05,462 INFO L158 Benchmark]: RCFGBuilder took 1458.57ms. Allocated memory is still 163.6MB. Free memory was 90.4MB in the beginning and 83.0MB in the end (delta: 7.3MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-09-23 06:09:05,462 INFO L158 Benchmark]: TraceAbstraction took 179981.61ms. Allocated memory was 163.6MB in the beginning and 9.0GB in the end (delta: 8.8GB). Free memory was 82.0MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 548.6MB. Max. memory is 16.1GB. [2024-09-23 06:09:05,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 163.6MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.11ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 98.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.70ms. Allocated memory is still 163.6MB. Free memory was 98.8MB in the beginning and 93.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.39ms. Allocated memory is still 163.6MB. Free memory was 93.9MB in the beginning and 91.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1458.57ms. Allocated memory is still 163.6MB. Free memory was 90.4MB in the beginning and 83.0MB in the end (delta: 7.3MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * TraceAbstraction took 179981.61ms. Allocated memory was 163.6MB in the beginning and 9.0GB in the end (delta: 8.8GB). Free memory was 82.0MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 548.6MB. 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: 4781, independent: 1487, independent conditional: 462, independent unconditional: 1024, dependent: 3294, dependent conditional: 3049, dependent unconditional: 245, 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: 1.7s, 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: 4781, independent: 1487, independent conditional: 462, independent unconditional: 1024, dependent: 3294, dependent conditional: 3049, dependent unconditional: 245, 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: 179.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 92.7s, 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, 0.7s SatisfiabilityAnalysisTime, 83.2s 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! [2024-09-23 06:09:05,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-23 06:09:05,725 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