./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-commit-1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-commit-1.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 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:56:09,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:56:09,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:56:09,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:56:09,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:56:09,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:56:09,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:56:09,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:56:09,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:56:09,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:56:09,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:56:09,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:56:09,322 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:56:09,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:56:09,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:56:09,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:56:09,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:56:09,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:56:09,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:56:09,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:56:09,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:56:09,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:56:09,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:56:09,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:56:09,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:56:09,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:56:09,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:56:09,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:56:09,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:56:09,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:56:09,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:56:09,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:56:09,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:56:09,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:56:09,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:56:09,328 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:56:09,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:56:09,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:56:09,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:56:09,329 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:56:09,329 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:56:09,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:56:09,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:56:09,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:56:09,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:56:09,532 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:56:09,533 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:56:09,533 INFO L431 ainManager$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-commit-1.wvr.yml/witness.yml [2024-09-08 08:56:09,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:56:09,625 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:56:09,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-09-08 08:56:10,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:56:11,008 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:56:11,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2024-09-08 08:56:11,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/07ab73b82/9588d9233aaf4b098eed95392a4382e8/FLAG43f7496fc [2024-09-08 08:56:11,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/07ab73b82/9588d9233aaf4b098eed95392a4382e8 [2024-09-08 08:56:11,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:56:11,039 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:56:11,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:56:11,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:56:11,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:56:11,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:56:09" (1/2) ... [2024-09-08 08:56:11,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74036182 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:56:11, skipping insertion in model container [2024-09-08 08:56:11,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:56:09" (1/2) ... [2024-09-08 08:56:11,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17335fb3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:56:11, skipping insertion in model container [2024-09-08 08:56:11,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:56:11" (2/2) ... [2024-09-08 08:56:11,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74036182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11, skipping insertion in model container [2024-09-08 08:56:11,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:56:11" (2/2) ... [2024-09-08 08:56:11,063 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:56:11,064 INFO L1541 ArrayList]: Location invariant before [L141-L141] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )client_size) + (long long )node_front >= 0LL && (2147483648LL + (long long )client_size) + (long long )node_back >= 0LL) && (2147483648LL + (long long )client_size) + (long long )update >= 0LL) && (2147483648LL + (long long )client_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )client_front) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_size) + (long long )update >= 0LL) && (2147483648LL + (long long )node_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )node_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_back) + (long long )node_size >= 0LL) && (1073741823LL - (long long )client_size) + (long long )node_size >= 0LL) && (1073741823LL - (long long )manager_size) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )manager_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_back) + (long long )node_size >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )client_size) + (long long )update >= 0LL) && (3221225471LL - (long long )client_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )update >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )node_size) + (long long )update >= 0LL) && (3221225471LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_front) + (long long )update >= 0LL) && (4294967295LL - (long long )client_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_back) + (long long )client_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_back) + (long long )update >= 0LL) && (4294967295LL - (long long )client_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_front) + (long long )update >= 0LL) && (4294967295LL - (long long )node_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )node_back) + (long long )update >= 0LL) && (4294967295LL - (long long )node_back) + (long long )ok >= 0LL) && (long long )client_size + (long long )node_size >= 0LL) && (1LL + (long long )client_size) - (long long )safe >= 0LL) && (1LL + (long long )node_size) - (long long )safe >= 0LL) && (1073741823LL + (long long )client_size) - (long long )manager_size >= 0LL) && (1073741823LL + (long long )client_size) - (long long )node_size >= 0LL) && (2147483647LL + (long long )client_size) - (long long )manager_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_front >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )update >= 0LL) && (2147483647LL + (long long )client_size) - (long long )ok >= 0LL) && (2147483647LL + (long long )node_size) - (long long )update >= 0LL) && (2147483647LL + (long long )node_size) - (long long )ok >= 0LL) && (3221225471LL + (long long )client_front) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_back >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_front >= 0LL) && (1073741824LL - (long long )client_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )manager_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483646LL - (long long )client_size) - (long long )manager_size >= 0LL) && (2147483646LL - (long long )client_size) - (long long )node_size >= 0LL) && (2147483646LL - (long long )manager_size) - (long long )node_size >= 0LL) && (2147483648LL - (long long )client_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )client_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_back) - (long long )safe >= 0LL) && (3221225470LL - (long long )client_size) - (long long )manager_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )update >= 0LL) && (3221225470LL - (long long )client_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )client_front) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )update >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_size) - (long long )update >= 0LL) && (3221225470LL - (long long )node_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )node_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_back) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_front) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )update >= 0LL) && (4294967294LL - (long long )client_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )client_back) - (long long )client_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )update >= 0LL) && (4294967294LL - (long long )client_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_front) - (long long )update >= 0LL) && (4294967294LL - (long long )node_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )node_back) - (long long )update >= 0LL) && (4294967294LL - (long long )node_back) - (long long )ok >= 0LL) [2024-09-08 08:56:11,065 INFO L1541 ArrayList]: Location invariant before [L143-L143] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )client_size) + (long long )node_front >= 0LL && (2147483648LL + (long long )client_size) + (long long )node_back >= 0LL) && (2147483648LL + (long long )client_size) + (long long )update >= 0LL) && (2147483648LL + (long long )client_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )client_front) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_size) + (long long )update >= 0LL) && (2147483648LL + (long long )node_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )node_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_back) + (long long )node_size >= 0LL) && (1073741823LL - (long long )client_size) + (long long )node_size >= 0LL) && (1073741823LL - (long long )manager_size) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )manager_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_back) + (long long )node_size >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )client_size) + (long long )update >= 0LL) && (3221225471LL - (long long )client_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )update >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )node_size) + (long long )update >= 0LL) && (3221225471LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_front) + (long long )update >= 0LL) && (4294967295LL - (long long )client_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_back) + (long long )client_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_back) + (long long )update >= 0LL) && (4294967295LL - (long long )client_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_front) + (long long )update >= 0LL) && (4294967295LL - (long long )node_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )node_back) + (long long )update >= 0LL) && (4294967295LL - (long long )node_back) + (long long )ok >= 0LL) && (long long )client_size + (long long )node_size >= 0LL) && (1LL + (long long )client_size) - (long long )safe >= 0LL) && (1LL + (long long )node_size) - (long long )safe >= 0LL) && (1073741823LL + (long long )client_size) - (long long )manager_size >= 0LL) && (1073741823LL + (long long )client_size) - (long long )node_size >= 0LL) && (2147483647LL + (long long )client_size) - (long long )manager_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_front >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )update >= 0LL) && (2147483647LL + (long long )client_size) - (long long )ok >= 0LL) && (2147483647LL + (long long )node_size) - (long long )update >= 0LL) && (2147483647LL + (long long )node_size) - (long long )ok >= 0LL) && (3221225471LL + (long long )client_front) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_back >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_front >= 0LL) && (1073741824LL - (long long )client_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )manager_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483646LL - (long long )client_size) - (long long )manager_size >= 0LL) && (2147483646LL - (long long )client_size) - (long long )node_size >= 0LL) && (2147483646LL - (long long )manager_size) - (long long )node_size >= 0LL) && (2147483648LL - (long long )client_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )client_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_back) - (long long )safe >= 0LL) && (3221225470LL - (long long )client_size) - (long long )manager_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )update >= 0LL) && (3221225470LL - (long long )client_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )client_front) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )update >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_size) - (long long )update >= 0LL) && (3221225470LL - (long long )node_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )node_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_back) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_front) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )update >= 0LL) && (4294967294LL - (long long )client_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )client_back) - (long long )client_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )update >= 0LL) && (4294967294LL - (long long )client_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_front) - (long long )update >= 0LL) && (4294967294LL - (long long )node_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )node_back) - (long long )update >= 0LL) && (4294967294LL - (long long )node_back) - (long long )ok >= 0LL) [2024-09-08 08:56:11,065 INFO L1541 ArrayList]: Location invariant before [L142-L142] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )client_size) + (long long )node_front >= 0LL && (2147483648LL + (long long )client_size) + (long long )node_back >= 0LL) && (2147483648LL + (long long )client_size) + (long long )update >= 0LL) && (2147483648LL + (long long )client_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )client_front) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )client_size >= 0LL) && (2147483648LL + (long long )client_back) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_size) + (long long )update >= 0LL) && (2147483648LL + (long long )node_size) + (long long )ok >= 0LL) && (2147483648LL + (long long )node_front) + (long long )node_size >= 0LL) && (2147483648LL + (long long )node_back) + (long long )node_size >= 0LL) && (1073741823LL - (long long )client_size) + (long long )node_size >= 0LL) && (1073741823LL - (long long )manager_size) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )client_size >= 0LL) && (2147483647LL - (long long )client_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )manager_back) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_front) + (long long )node_size >= 0LL) && (2147483647LL - (long long )node_back) + (long long )node_size >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )client_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )client_size) + (long long )update >= 0LL) && (3221225471LL - (long long )client_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_front >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )node_back >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )update >= 0LL) && (3221225471LL - (long long )manager_size) + (long long )ok >= 0LL) && (3221225471LL - (long long )node_size) + (long long )update >= 0LL) && (3221225471LL - (long long )node_size) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_front) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_front) + (long long )update >= 0LL) && (4294967295LL - (long long )client_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )client_back) + (long long )client_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )client_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )client_back) + (long long )update >= 0LL) && (4294967295LL - (long long )client_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )node_back >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )update >= 0LL) && (4294967295LL - (long long )manager_back) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_front) + (long long )update >= 0LL) && (4294967295LL - (long long )node_front) + (long long )ok >= 0LL) && (4294967295LL - (long long )node_back) + (long long )node_front >= 0LL) && (4294967295LL - (long long )node_back) + (long long )update >= 0LL) && (4294967295LL - (long long )node_back) + (long long )ok >= 0LL) && (long long )client_size + (long long )node_size >= 0LL) && (1LL + (long long )client_size) - (long long )safe >= 0LL) && (1LL + (long long )node_size) - (long long )safe >= 0LL) && (1073741823LL + (long long )client_size) - (long long )manager_size >= 0LL) && (1073741823LL + (long long )client_size) - (long long )node_size >= 0LL) && (2147483647LL + (long long )client_size) - (long long )manager_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_front >= 0LL) && (2147483647LL + (long long )client_size) - (long long )node_back >= 0LL) && (2147483647LL + (long long )client_size) - (long long )update >= 0LL) && (2147483647LL + (long long )client_size) - (long long )ok >= 0LL) && (2147483647LL + (long long )node_size) - (long long )update >= 0LL) && (2147483647LL + (long long )node_size) - (long long )ok >= 0LL) && (3221225471LL + (long long )client_front) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )client_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )manager_size >= 0LL) && (3221225471LL + (long long )client_back) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_front) - (long long )node_size >= 0LL) && (3221225471LL + (long long )node_back) - (long long )node_size >= 0LL) && (4294967295LL + (long long )client_front) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_front) - (long long )node_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )client_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )manager_back >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_front >= 0LL) && (4294967295LL + (long long )client_back) - (long long )node_back >= 0LL) && (4294967295LL + (long long )node_back) - (long long )node_front >= 0LL) && (1073741824LL - (long long )client_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )manager_size) - (long long )safe >= 0LL) && (1073741824LL - (long long )node_size) - (long long )safe >= 0LL) && (2147483646LL - (long long )client_size) - (long long )manager_size >= 0LL) && (2147483646LL - (long long )client_size) - (long long )node_size >= 0LL) && (2147483646LL - (long long )manager_size) - (long long )node_size >= 0LL) && (2147483648LL - (long long )client_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )client_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )manager_back) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_front) - (long long )safe >= 0LL) && (2147483648LL - (long long )node_back) - (long long )safe >= 0LL) && (3221225470LL - (long long )client_size) - (long long )manager_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )client_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )client_size) - (long long )update >= 0LL) && (3221225470LL - (long long )client_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )client_front) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )client_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )client_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_front >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )node_back >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )update >= 0LL) && (3221225470LL - (long long )manager_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )manager_size >= 0LL) && (3221225470LL - (long long )manager_back) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_size) - (long long )update >= 0LL) && (3221225470LL - (long long )node_size) - (long long )ok >= 0LL) && (3221225470LL - (long long )node_front) - (long long )node_size >= 0LL) && (3221225470LL - (long long )node_back) - (long long )node_size >= 0LL) && (4294967294LL - (long long )client_front) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_front) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_front) - (long long )update >= 0LL) && (4294967294LL - (long long )client_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )client_back) - (long long )client_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )manager_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )client_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )client_back) - (long long )update >= 0LL) && (4294967294LL - (long long )client_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )node_back >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )update >= 0LL) && (4294967294LL - (long long )manager_back) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_front) - (long long )update >= 0LL) && (4294967294LL - (long long )node_front) - (long long )ok >= 0LL) && (4294967294LL - (long long )node_back) - (long long )node_front >= 0LL) && (4294967294LL - (long long )node_back) - (long long )update >= 0LL) && (4294967294LL - (long long )node_back) - (long long )ok >= 0LL) [2024-09-08 08:56:11,066 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:56:11,066 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-09-08 08:56:11,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:56:11,275 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c[4643,4656] [2024-09-08 08:56:11,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:56:11,288 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 08:56:11,424 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c[4643,4656] [2024-09-08 08:56:11,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:56:11,443 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:56:11,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11 WrapperNode [2024-09-08 08:56:11,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:56:11,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:56:11,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:56:11,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:56:11,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,504 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 346 [2024-09-08 08:56:11,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:56:11,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:56:11,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:56:11,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:56:11,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:56:11,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:56:11,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:56:11,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:56:11,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (1/1) ... [2024-09-08 08:56:11,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:56:11,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:11,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 08:56:11,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 08:56:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 08:56:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 08:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 08:56:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 08:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 08:56:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 08:56:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:56:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 08:56:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 08:56:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 08:56:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 08:56:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:56:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:56:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 08:56:11,621 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:56:11,713 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:56:11,715 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:56:12,296 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:56:12,297 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:56:12,581 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:56:12,581 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-08 08:56:12,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:56:12 BoogieIcfgContainer [2024-09-08 08:56:12,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:56:12,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:56:12,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:56:12,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:56:12,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:56:09" (1/4) ... [2024-09-08 08:56:12,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c750ff2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:56:12, skipping insertion in model container [2024-09-08 08:56:12,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:56:11" (2/4) ... [2024-09-08 08:56:12,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c750ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:56:12, skipping insertion in model container [2024-09-08 08:56:12,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:56:11" (3/4) ... [2024-09-08 08:56:12,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c750ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:56:12, skipping insertion in model container [2024-09-08 08:56:12,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:56:12" (4/4) ... [2024-09-08 08:56:12,590 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2024-09-08 08:56:12,604 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:56:12,604 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-08 08:56:12,604 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:56:12,672 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-08 08:56:12,706 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:56:12,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:56:12,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:12,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 08:56:12,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 08:56:12,740 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:56:12,750 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:56:12,756 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;@7fa8638f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:56:12,756 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 08:56:13,053 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:56:13,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:13,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1823767871, now seen corresponding path program 1 times [2024-09-08 08:56:13,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:56:13,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112826616] [2024-09-08 08:56:13,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:56:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:15,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:56:15,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112826616] [2024-09-08 08:56:15,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112826616] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:56:15,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:56:15,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 08:56:15,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227392582] [2024-09-08 08:56:15,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:56:15,345 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 08:56:15,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:56:15,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 08:56:15,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 08:56:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:15,364 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:15,365 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:56:15,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:15,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:15,408 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:56:15,409 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:56:15,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:15,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1723969516, now seen corresponding path program 1 times [2024-09-08 08:56:15,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:56:15,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551117789] [2024-09-08 08:56:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:15,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:56:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:16,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:56:16,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551117789] [2024-09-08 08:56:16,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551117789] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:56:16,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001656281] [2024-09-08 08:56:16,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:16,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:16,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:16,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:56:16,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 08:56:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:17,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-08 08:56:17,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:17,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:56:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:24,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001656281] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:56:24,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:56:24,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2024-09-08 08:56:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488671116] [2024-09-08 08:56:24,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:56:24,377 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-08 08:56:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:56:24,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-08 08:56:24,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-09-08 08:56:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:24,382 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:24,382 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:56:24,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:24,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:29,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:29,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 08:56:29,274 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-08 08:56:29,278 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:56:29,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:29,279 INFO L85 PathProgramCache]: Analyzing trace with hash 704449151, now seen corresponding path program 2 times [2024-09-08 08:56:29,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:56:29,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421843941] [2024-09-08 08:56:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:29,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:56:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:30,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:56:30,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421843941] [2024-09-08 08:56:30,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421843941] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:56:30,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356064332] [2024-09-08 08:56:30,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:56:30,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:30,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:30,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:56:30,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 08:56:30,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 08:56:30,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:56:30,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-08 08:56:30,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:56:31,207 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:56:31,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356064332] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:56:31,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:56:31,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-09-08 08:56:31,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478322815] [2024-09-08 08:56:31,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:56:31,208 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 08:56:31,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:56:31,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 08:56:31,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-09-08 08:56:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:31,209 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:31,209 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:56:31,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:31,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:31,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:56:31,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 08:56:31,460 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:31,461 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:56:31,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash 920869697, now seen corresponding path program 1 times [2024-09-08 08:56:31,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:56:31,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888223891] [2024-09-08 08:56:31,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:56:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:32,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:56:32,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888223891] [2024-09-08 08:56:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888223891] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:56:32,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988664212] [2024-09-08 08:56:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:32,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:32,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:32,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:56:32,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 08:56:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:33,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-08 08:56:33,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:33,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:56:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:39,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988664212] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:56:39,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:56:39,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-09-08 08:56:39,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965858872] [2024-09-08 08:56:39,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:56:39,819 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-08 08:56:39,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:56:39,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-08 08:56:39,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2024-09-08 08:56:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:39,820 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:39,821 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:56:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:56:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:56:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:56:51,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-08 08:56:51,469 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:51,469 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:56:51,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:51,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1053994849, now seen corresponding path program 2 times [2024-09-08 08:56:51,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:56:51,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115810342] [2024-09-08 08:56:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:56:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:53,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:56:53,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115810342] [2024-09-08 08:56:53,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115810342] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:56:53,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139985288] [2024-09-08 08:56:53,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:56:53,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:53,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:53,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:56:53,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 08:56:53,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 08:56:53,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:56:53,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-08 08:56:53,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 08:56:53,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:56:53,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139985288] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:56:53,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:56:53,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 19 [2024-09-08 08:56:53,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483244071] [2024-09-08 08:56:53,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:56:53,586 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 08:56:53,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:56:53,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 08:56:53,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-09-08 08:56:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:53,587 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:53,587 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:56:53,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:53,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:53,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:56:53,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:56:53,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:56:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:56:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:56:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:56:53,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-08 08:56:53,825 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:53,826 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:56:53,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:53,826 INFO L85 PathProgramCache]: Analyzing trace with hash 931994027, now seen corresponding path program 1 times [2024-09-08 08:56:53,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:56:53,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723317153] [2024-09-08 08:56:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:53,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:56:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:55,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:56:55,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723317153] [2024-09-08 08:56:55,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723317153] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:56:55,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250360886] [2024-09-08 08:56:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:56:55,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:56:55,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:56:55,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:56:55,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 08:56:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:55,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-09-08 08:56:55,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:56,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:57:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:57:03,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250360886] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:57:03,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:57:03,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 45 [2024-09-08 08:57:03,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100513647] [2024-09-08 08:57:03,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:57:03,269 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-08 08:57:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:03,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-08 08:57:03,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=1483, Unknown=0, NotChecked=0, Total=2162 [2024-09-08 08:57:03,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:03,271 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:03,271 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:57:03,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:03,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:03,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:03,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:03,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:03,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:29,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-08 08:57:29,253 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:29,253 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:57:29,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:29,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1443937941, now seen corresponding path program 2 times [2024-09-08 08:57:29,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:57:29,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969251731] [2024-09-08 08:57:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:29,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:57:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:57:31,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:57:31,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969251731] [2024-09-08 08:57:31,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969251731] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:57:31,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414025086] [2024-09-08 08:57:31,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:57:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:31,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:57:31,643 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:57:31,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 08:57:31,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 08:57:31,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:57:31,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-08 08:57:31,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:57:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 08:57:32,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:57:32,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414025086] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:57:32,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:57:32,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [28] total 32 [2024-09-08 08:57:32,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231750489] [2024-09-08 08:57:32,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:57:32,199 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 08:57:32,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:32,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 08:57:32,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=795, Unknown=0, NotChecked=0, Total=1122 [2024-09-08 08:57:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:32,200 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:32,200 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:32,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:33,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:33,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 08:57:33,795 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-08 08:57:33,795 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:57:33,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:33,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2019461987, now seen corresponding path program 1 times [2024-09-08 08:57:33,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:57:33,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798771856] [2024-09-08 08:57:33,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:33,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:57:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 08:57:33,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:57:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798771856] [2024-09-08 08:57:33,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798771856] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:57:33,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:57:33,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 08:57:33,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865751828] [2024-09-08 08:57:33,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:57:33,914 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:57:33,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:33,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:57:33,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:57:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:33,915 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:33,915 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:33,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,063 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 08:57:34,063 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:57:34,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:34,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1253127401, now seen corresponding path program 1 times [2024-09-08 08:57:34,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:57:34,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474209772] [2024-09-08 08:57:34,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:34,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:57:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-08 08:57:34,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:57:34,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474209772] [2024-09-08 08:57:34,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474209772] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:57:34,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446358796] [2024-09-08 08:57:34,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:34,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:34,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:57:34,305 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:57:34,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 08:57:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:34,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 08:57:34,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:57:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-08 08:57:34,494 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:57:34,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446358796] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:57:34,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:57:34,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-09-08 08:57:34,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400501504] [2024-09-08 08:57:34,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:57:34,494 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:57:34,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:34,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:57:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-08 08:57:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:34,495 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:34,495 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-08 08:57:34,782 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:34,783 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:57:34,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:34,783 INFO L85 PathProgramCache]: Analyzing trace with hash 447271123, now seen corresponding path program 2 times [2024-09-08 08:57:34,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:57:34,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576571000] [2024-09-08 08:57:34,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:34,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:57:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-09-08 08:57:34,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:57:34,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576571000] [2024-09-08 08:57:34,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576571000] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:57:34,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:57:34,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 08:57:34,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976796600] [2024-09-08 08:57:34,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:57:34,891 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:57:34,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:34,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:57:34,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:57:34,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:34,892 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:34,892 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:34,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:34,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,051 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 08:57:35,051 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:57:35,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1269642015, now seen corresponding path program 1 times [2024-09-08 08:57:35,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:57:35,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106250196] [2024-09-08 08:57:35,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:35,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:57:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-08 08:57:35,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:57:35,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106250196] [2024-09-08 08:57:35,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106250196] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:57:35,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65151950] [2024-09-08 08:57:35,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:35,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:35,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:57:35,274 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:57:35,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 08:57:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:35,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 08:57:35,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:57:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-08 08:57:35,470 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:57:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-09-08 08:57:35,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65151950] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:57:35,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:57:35,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-08 08:57:35,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110097724] [2024-09-08 08:57:35,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:57:35,540 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 08:57:35,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:35,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 08:57:35,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-09-08 08:57:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:35,541 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:35,542 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:57:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:57:35,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-08 08:57:35,927 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:35,928 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:57:35,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1956616093, now seen corresponding path program 2 times [2024-09-08 08:57:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:57:35,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208027244] [2024-09-08 08:57:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:57:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:57:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:57:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 08:57:48,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:57:48,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208027244] [2024-09-08 08:57:48,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208027244] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:57:48,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103655310] [2024-09-08 08:57:48,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:57:48,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:57:48,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:57:48,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:57:48,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 08:57:48,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:57:48,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:57:48,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-09-08 08:57:48,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:57:49,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-08 08:57:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:57:50,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:57:57,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:57:57,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 312 [2024-09-08 08:57:57,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:57:57,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2024-09-08 08:57:57,572 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:57:57,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 37 [2024-09-08 08:57:57,600 INFO L349 Elim1Store]: treesize reduction 5, result has 87.8 percent of original size [2024-09-08 08:57:57,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 171 [2024-09-08 08:57:57,700 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:57:57,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 231 treesize of output 241 [2024-09-08 08:57:57,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-09-08 08:57:58,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:57:58,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 17 [2024-09-08 08:57:58,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:57:58,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 34 [2024-09-08 08:57:58,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2024-09-08 08:57:58,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:57:58,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1723 treesize of output 1787 [2024-09-08 08:58:03,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:03,901 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:03,910 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:03,923 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:03,938 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:03,948 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:03,957 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:03,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:03,972 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:03,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2024-09-08 08:58:03,982 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:03,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2024-09-08 08:58:03,994 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:03,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 1 [2024-09-08 08:58:03,999 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-09-08 08:58:04,006 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:04,016 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,025 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,034 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-09-08 08:58:04,039 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-09-08 08:58:04,059 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:04,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,077 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:04,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,098 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:04,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,110 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:04,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 1 [2024-09-08 08:58:04,126 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:04,141 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,164 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,178 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-09-08 08:58:04,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2024-09-08 08:58:04,196 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,210 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,231 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,248 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,259 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,272 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:04,285 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,297 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:04,309 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,336 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,354 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 40 [2024-09-08 08:58:04,379 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-09-08 08:58:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:04,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-09-08 08:58:04,502 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 130 [2024-09-08 08:58:04,546 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,566 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,583 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,606 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,627 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,650 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 11 [2024-09-08 08:58:04,661 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,679 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,694 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,714 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-09-08 08:58:04,726 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:04,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2024-09-08 08:58:04,735 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-09-08 08:58:04,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2024-09-08 08:58:04,744 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-09-08 08:58:04,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2024-09-08 08:58:05,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:58:05,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 50 [2024-09-08 08:58:05,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:58:05,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 803 treesize of output 831 [2024-09-08 08:58:06,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:06,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:06,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:06,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2024-09-08 08:58:06,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2024-09-08 08:58:06,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:07,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:07,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:08,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:08,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:09,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:09,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:09,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:09,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-09-08 08:58:10,500 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:10,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2024-09-08 08:58:10,509 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-08 08:58:10,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-09-08 08:58:10,518 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 08:58:10,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 41 [2024-09-08 08:58:10,532 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-09-08 08:58:10,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 454 treesize of output 1 [2024-09-08 08:58:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-09-08 08:58:10,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103655310] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:58:10,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:58:10,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 39, 18] total 86 [2024-09-08 08:58:10,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180863559] [2024-09-08 08:58:10,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:58:10,943 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-09-08 08:58:10,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:58:10,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-09-08 08:58:10,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=6770, Unknown=0, NotChecked=0, Total=7482 [2024-09-08 08:58:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:58:10,945 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:58:10,946 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.1494252873563218) internal successors, (187), 86 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:58:10,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:58:20,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:58:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-08 08:58:20,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 08:58:20,276 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,SelfDestructingSolverStorable11 [2024-09-08 08:58:20,276 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 08:58:20,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:58:20,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1862999327, now seen corresponding path program 3 times [2024-09-08 08:58:20,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:58:20,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362370928] [2024-09-08 08:58:20,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:58:20,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:58:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat