./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.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-prod-cons3.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-prod-cons3.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-prod-cons3.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 09:20:05,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 09:20:05,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 09:20:05,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 09:20:05,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 09:20:05,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 09:20:05,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 09:20:05,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 09:20:05,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 09:20:05,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 09:20:05,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 09:20:05,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 09:20:05,209 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 09:20:05,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 09:20:05,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 09:20:05,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 09:20:05,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 09:20:05,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 09:20:05,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 09:20:05,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 09:20:05,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 09:20:05,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 09:20:05,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 09:20:05,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 09:20:05,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 09:20:05,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 09:20:05,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 09:20:05,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 09:20:05,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 09:20:05,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 09:20:05,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:20:05,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 09:20:05,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 09:20:05,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 09:20:05,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 09:20:05,222 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 09:20:05,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 09:20:05,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 09:20:05,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 09:20:05,223 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 09:20:05,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 09:20:05,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 09:20:05,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 09:20:05,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 09:20:05,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 09:20:05,473 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 09:20:05,474 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 09:20:05,475 INFO L431 ainManager$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-prod-cons3.wvr.yml/witness.yml [2024-09-08 09:20:05,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 09:20:05,588 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 09:20:05,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 09:20:06,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 09:20:07,125 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 09:20:07,126 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 09:20:07,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/02b623714/11ff0c7ce8d04682a17b23068fa64759/FLAG611e40d0c [2024-09-08 09:20:07,145 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/02b623714/11ff0c7ce8d04682a17b23068fa64759 [2024-09-08 09:20:07,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 09:20:07,147 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 09:20:07,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 09:20:07,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 09:20:07,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 09:20:07,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:20:05" (1/2) ... [2024-09-08 09:20:07,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6967973 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:20:07, skipping insertion in model container [2024-09-08 09:20:07,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:20:05" (1/2) ... [2024-09-08 09:20:07,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@308001ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:20:07, skipping insertion in model container [2024-09-08 09:20:07,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:20:07" (2/2) ... [2024-09-08 09:20:07,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6967973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07, skipping insertion in model container [2024-09-08 09:20:07,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:20:07" (2/2) ... [2024-09-08 09:20:07,176 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 09:20:07,176 INFO L1541 ArrayList]: Location invariant before [L143-L143] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:20:07,177 INFO L1541 ArrayList]: Location invariant before [L141-L141] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:20:07,177 INFO L1541 ArrayList]: Location invariant before [L142-L142] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:20:07,177 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:20:07,178 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 09:20:07,178 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-09-08 09:20:07,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 09:20:07,417 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-prod-cons3.wvr.c[4059,4072] [2024-09-08 09:20:07,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:20:07,443 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 09:20:07,621 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-prod-cons3.wvr.c[4059,4072] [2024-09-08 09:20:07,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:20:07,650 INFO L204 MainTranslator]: Completed translation [2024-09-08 09:20:07,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07 WrapperNode [2024-09-08 09:20:07,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 09:20:07,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 09:20:07,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 09:20:07,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 09:20:07,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,737 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 267 [2024-09-08 09:20:07,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 09:20:07,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 09:20:07,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 09:20:07,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 09:20:07,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 09:20:07,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 09:20:07,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 09:20:07,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 09:20:07,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (1/1) ... [2024-09-08 09:20:07,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:20:07,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:07,838 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 09:20:07,845 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 09:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 09:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 09:20:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 09:20:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 09:20:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 09:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 09:20:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 09:20:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 09:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 09:20:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 09:20:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 09:20:07,900 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 09:20:08,003 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 09:20:08,004 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 09:20:08,576 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 09:20:08,576 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 09:20:08,925 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 09:20:08,925 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 09:20:08,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:20:08 BoogieIcfgContainer [2024-09-08 09:20:08,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 09:20:08,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 09:20:08,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 09:20:08,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 09:20:08,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:20:05" (1/4) ... [2024-09-08 09:20:08,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c50545c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 09:20:08, skipping insertion in model container [2024-09-08 09:20:08,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 09:20:07" (2/4) ... [2024-09-08 09:20:08,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c50545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:20:08, skipping insertion in model container [2024-09-08 09:20:08,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:20:07" (3/4) ... [2024-09-08 09:20:08,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c50545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:20:08, skipping insertion in model container [2024-09-08 09:20:08,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:20:08" (4/4) ... [2024-09-08 09:20:08,935 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-09-08 09:20:08,955 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 09:20:08,955 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-08 09:20:08,956 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 09:20:09,035 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 09:20:09,077 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 09:20:09,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 09:20:09,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:09,080 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 09:20:09,081 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 09:20:09,118 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 09:20:09,131 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 09:20:09,140 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;@12c4b89b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 09:20:09,140 INFO L337 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-09-08 09:20:09,437 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:09,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:09,442 INFO L85 PathProgramCache]: Analyzing trace with hash -866286013, now seen corresponding path program 1 times [2024-09-08 09:20:09,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:09,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498212879] [2024-09-08 09:20:09,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:09,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:11,441 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 09:20:11,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:11,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498212879] [2024-09-08 09:20:11,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498212879] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:20:11,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 09:20:11,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 09:20:11,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644278240] [2024-09-08 09:20:11,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:11,449 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 09:20:11,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:11,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 09:20:11,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 09:20:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:11,477 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:11,478 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 09:20:11,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:11,528 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 09:20:11,528 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:11,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash 367248626, now seen corresponding path program 1 times [2024-09-08 09:20:11,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:11,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241804719] [2024-09-08 09:20:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:13,011 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 09:20:13,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:13,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241804719] [2024-09-08 09:20:13,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241804719] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:13,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491278717] [2024-09-08 09:20:13,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:13,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:13,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:13,016 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 09:20:13,017 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 09:20:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:13,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-08 09:20:13,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:13,470 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 09:20:13,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:20:17,956 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 09:20:17,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491278717] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:20:17,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:20:17,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-09-08 09:20:17,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935749993] [2024-09-08 09:20:17,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:20:17,959 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 09:20:17,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:17,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 09:20:17,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-09-08 09:20:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:17,961 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:17,961 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 09:20:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:17,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:18,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:18,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:18,732 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 09:20:18,920 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 09:20:18,921 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:18,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash 458177027, now seen corresponding path program 2 times [2024-09-08 09:20:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:18,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6736904] [2024-09-08 09:20:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:20,574 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 09:20:20,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:20,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6736904] [2024-09-08 09:20:20,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6736904] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:20,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839101313] [2024-09-08 09:20:20,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 09:20:20,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:20,578 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 09:20:20,579 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 09:20:20,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 09:20:20,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:20:20,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 09:20:20,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:20,930 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 09:20:20,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 09:20:20,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839101313] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:20:20,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 09:20:20,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-09-08 09:20:20,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649628260] [2024-09-08 09:20:20,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:20,932 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 09:20:20,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:20,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 09:20:20,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-09-08 09:20:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:20,933 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:20,934 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 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 09:20:20,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:20,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:20,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:20,993 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 09:20:21,181 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 09:20:21,182 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:21,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:21,182 INFO L85 PathProgramCache]: Analyzing trace with hash -636566413, now seen corresponding path program 1 times [2024-09-08 09:20:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624993168] [2024-09-08 09:20:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:22,818 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 09:20:22,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624993168] [2024-09-08 09:20:22,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624993168] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268112520] [2024-09-08 09:20:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:22,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:22,820 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 09:20:22,821 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 09:20:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:22,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-08 09:20:22,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:23,287 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 09:20:23,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:20:30,743 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 09:20:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268112520] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:20:30,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:20:30,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 23 [2024-09-08 09:20:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743351019] [2024-09-08 09:20:30,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:20:30,744 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-08 09:20:30,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-08 09:20:30,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-09-08 09:20:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:30,746 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:30,746 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 09:20:30,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:30,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:30,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:30,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:41,461 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 09:20:41,648 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 09:20:41,648 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:41,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:41,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1890439469, now seen corresponding path program 2 times [2024-09-08 09:20:41,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:41,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458591554] [2024-09-08 09:20:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:44,096 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 09:20:44,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458591554] [2024-09-08 09:20:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458591554] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595490304] [2024-09-08 09:20:44,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 09:20:44,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:44,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:44,098 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 09:20:44,099 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 09:20:44,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 09:20:44,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:20:44,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 09:20:44,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:44,595 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 09:20:44,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 09:20:44,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595490304] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:20:44,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 09:20:44,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 17 [2024-09-08 09:20:44,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550915957] [2024-09-08 09:20:44,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:44,596 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 09:20:44,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:44,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 09:20:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-09-08 09:20:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:44,597 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:44,597 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 09:20:44,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:44,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:44,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:44,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:44,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:45,726 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 09:20:45,914 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 09:20:45,914 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:45,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:45,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2018973459, now seen corresponding path program 1 times [2024-09-08 09:20:45,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:45,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223310555] [2024-09-08 09:20:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:46,176 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 09:20:46,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:46,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223310555] [2024-09-08 09:20:46,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223310555] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:20:46,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 09:20:46,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 09:20:46,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648870479] [2024-09-08 09:20:46,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:46,178 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 09:20:46,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:46,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 09:20:46,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-08 09:20:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:46,179 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:46,179 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 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 09:20:46,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:46,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:46,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:46,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:46,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:46,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:46,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:46,509 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 09:20:46,510 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:46,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:46,510 INFO L85 PathProgramCache]: Analyzing trace with hash -460831433, now seen corresponding path program 1 times [2024-09-08 09:20:46,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:46,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109673908] [2024-09-08 09:20:46,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:46,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 09:20:46,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:46,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109673908] [2024-09-08 09:20:46,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109673908] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:46,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859553597] [2024-09-08 09:20:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:46,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:46,817 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 09:20:46,819 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 09:20:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:46,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 09:20:46,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-09-08 09:20:47,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 09:20:47,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859553597] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:20:47,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 09:20:47,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-09-08 09:20:47,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918290105] [2024-09-08 09:20:47,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:47,054 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 09:20:47,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:47,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 09:20:47,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-08 09:20:47,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:47,055 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:47,055 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 09:20:47,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:47,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:47,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:47,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:47,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:47,151 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 09:20:47,337 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:47,338 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:47,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:47,338 INFO L85 PathProgramCache]: Analyzing trace with hash -73352648, now seen corresponding path program 2 times [2024-09-08 09:20:47,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:47,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078438988] [2024-09-08 09:20:47,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-09-08 09:20:47,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:47,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078438988] [2024-09-08 09:20:47,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078438988] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:20:47,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 09:20:47,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 09:20:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131230125] [2024-09-08 09:20:47,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:47,726 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 09:20:47,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:47,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 09:20:47,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 09:20:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:47,727 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:47,727 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:47,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:20:49,375 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 09:20:49,375 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:49,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:49,376 INFO L85 PathProgramCache]: Analyzing trace with hash -906562685, now seen corresponding path program 3 times [2024-09-08 09:20:49,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:49,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562515451] [2024-09-08 09:20:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:49,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 09:20:49,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:49,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562515451] [2024-09-08 09:20:49,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562515451] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:49,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154491502] [2024-09-08 09:20:49,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 09:20:49,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:49,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:49,685 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 09:20:49,687 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 09:20:49,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-08 09:20:49,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:20:49,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 09:20:49,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-09-08 09:20:49,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:20:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-09-08 09:20:49,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154491502] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:49,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-08 09:20:49,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 9 [2024-09-08 09:20:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767028221] [2024-09-08 09:20:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:20:49,985 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 09:20:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 09:20:49,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-09-08 09:20:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:49,988 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:49,988 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 09:20:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:20:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:20:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:50,896 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 09:20:51,080 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,SelfDestructingSolverStorable8 [2024-09-08 09:20:51,081 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:51,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:51,081 INFO L85 PathProgramCache]: Analyzing trace with hash 483161923, now seen corresponding path program 4 times [2024-09-08 09:20:51,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:51,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892714921] [2024-09-08 09:20:51,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 09:20:51,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:51,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892714921] [2024-09-08 09:20:51,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892714921] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:51,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542354355] [2024-09-08 09:20:51,468 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 09:20:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:51,470 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 09:20:51,472 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 09:20:51,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 09:20:51,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:20:51,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 09:20:51,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:20:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 09:20:51,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:20:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-08 09:20:51,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542354355] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:20:51,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:20:51,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-08 09:20:51,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049174002] [2024-09-08 09:20:51,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:20:51,897 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 09:20:51,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:20:51,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 09:20:51,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-09-08 09:20:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:51,901 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:20:51,901 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 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 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:20:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:20:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:20:52,686 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 09:20:52,873 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:52,873 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:20:52,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:20:52,874 INFO L85 PathProgramCache]: Analyzing trace with hash 903690867, now seen corresponding path program 5 times [2024-09-08 09:20:52,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:20:52,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840755952] [2024-09-08 09:20:52,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:20:52,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:20:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:20:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 09:20:59,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:20:59,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840755952] [2024-09-08 09:20:59,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840755952] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:20:59,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108451573] [2024-09-08 09:20:59,050 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 09:20:59,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:20:59,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:20:59,051 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 09:20:59,052 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 09:20:59,237 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-09-08 09:20:59,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:20:59,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-09-08 09:20:59,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:21:00,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:21:00,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 28 [2024-09-08 09:21:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 09:21:01,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:21:02,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:21:02,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-09-08 09:21:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 09:21:03,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108451573] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:21:03,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:21:03,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 19] total 72 [2024-09-08 09:21:03,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048736398] [2024-09-08 09:21:03,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:21:03,808 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-09-08 09:21:03,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:21:03,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-09-08 09:21:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=4681, Unknown=0, NotChecked=0, Total=5256 [2024-09-08 09:21:03,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:21:03,812 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:21:03,812 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 72 states have internal predecessors, (224), 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 09:21:03,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:03,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:21:03,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:03,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:21:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-09-08 09:21:15,665 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 09:21:15,848 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 09:21:15,849 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:21:15,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:21:15,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1445942476, now seen corresponding path program 1 times [2024-09-08 09:21:15,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:21:15,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450685881] [2024-09-08 09:21:15,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:21:15,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:21:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:21:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 09:21:24,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:21:24,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450685881] [2024-09-08 09:21:24,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450685881] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:21:24,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584067077] [2024-09-08 09:21:24,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:21:24,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:21:24,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:21:24,279 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 09:21:24,280 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 09:21:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:21:24,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-09-08 09:21:24,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:21:25,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:21:25,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 31 [2024-09-08 09:21:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 09:21:25,547 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:21:28,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:21:28,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-09-08 09:21:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-09-08 09:21:28,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584067077] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:21:28,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:21:28,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 20, 11] total 64 [2024-09-08 09:21:28,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131300766] [2024-09-08 09:21:28,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:21:28,672 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-09-08 09:21:28,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:21:28,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-09-08 09:21:28,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=3874, Unknown=1, NotChecked=0, Total=4160 [2024-09-08 09:21:28,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:21:28,675 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:21:28,675 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.5538461538461537) internal successors, (231), 64 states have internal predecessors, (231), 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 09:21:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:21:28,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-09-08 09:21:28,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:21:38,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:21:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:21:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:21:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:21:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:21:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:21:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-09-08 09:21:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:21:42,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-08 09:21:42,401 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 09:21:42,402 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:21:42,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:21:42,402 INFO L85 PathProgramCache]: Analyzing trace with hash -168478450, now seen corresponding path program 6 times [2024-09-08 09:21:42,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:21:42,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312223702] [2024-09-08 09:21:42,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:21:42,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:21:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:22:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 09:22:01,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:22:01,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312223702] [2024-09-08 09:22:01,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312223702] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:22:01,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140814234] [2024-09-08 09:22:01,187 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 09:22:01,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:22:01,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:22:01,188 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 09:22:01,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-08 09:22:01,938 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-09-08 09:22:01,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:22:01,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-09-08 09:22:01,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:22:03,944 INFO L349 Elim1Store]: treesize reduction 27, result has 67.9 percent of original size [2024-09-08 09:22:03,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 72 [2024-09-08 09:22:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 148 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 09:22:04,391 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:22:06,471 INFO L349 Elim1Store]: treesize reduction 23, result has 94.0 percent of original size [2024-09-08 09:22:06,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 391 [2024-09-08 09:22:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-09-08 09:22:24,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140814234] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:22:24,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:22:24,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 28, 20] total 90 [2024-09-08 09:22:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247232224] [2024-09-08 09:22:24,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:22:24,097 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-09-08 09:22:24,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:22:24,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-09-08 09:22:24,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=7657, Unknown=0, NotChecked=0, Total=8190 [2024-09-08 09:22:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:22:24,100 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:22:24,101 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 3.065934065934066) internal successors, (279), 90 states have internal predecessors, (279), 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 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:22:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:22:49,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-09-08 09:22:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:22:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:22:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-09-08 09:22:57,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-08 09:22:57,404 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:22:57,404 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:22:57,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:22:57,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1023894408, now seen corresponding path program 2 times [2024-09-08 09:22:57,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:22:57,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401948222] [2024-09-08 09:22:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:22:57,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:22:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:22:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-09-08 09:22:57,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:22:57,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401948222] [2024-09-08 09:22:57,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401948222] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:22:57,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 09:22:57,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 09:22:57,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586335399] [2024-09-08 09:22:57,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:22:57,684 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 09:22:57,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:22:57,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 09:22:57,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 09:22:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:22:57,685 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:22:57,685 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 09:22:57,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:57,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-09-08 09:22:57,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:23:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:23:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:23:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:23:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:23:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-09-08 09:23:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:00,404 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-08 09:23:00,404 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:23:00,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:23:00,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2026323842, now seen corresponding path program 3 times [2024-09-08 09:23:00,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:23:00,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469241367] [2024-09-08 09:23:00,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:23:00,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:23:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:23:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 09:23:14,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:23:14,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469241367] [2024-09-08 09:23:14,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469241367] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:23:14,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461167002] [2024-09-08 09:23:14,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 09:23:14,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:23:14,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:23:14,823 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 09:23:14,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 09:23:15,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-09-08 09:23:15,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 09:23:15,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-09-08 09:23:15,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:23:16,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:23:16,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 101 [2024-09-08 09:23:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-09-08 09:23:17,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:23:18,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:23:18,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-09-08 09:23:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-09-08 09:23:47,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461167002] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:23:47,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 09:23:47,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 20, 19] total 81 [2024-09-08 09:23:47,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107710549] [2024-09-08 09:23:47,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 09:23:47,272 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-09-08 09:23:47,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 09:23:47,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-09-08 09:23:47,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=6247, Unknown=0, NotChecked=0, Total=6642 [2024-09-08 09:23:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:23:47,275 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:23:47,275 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 3.1707317073170733) internal successors, (260), 81 states have internal predecessors, (260), 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 09:23:47,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:47,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:23:47,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-09-08 09:23:47,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:23:47,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-09-08 09:23:47,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:23:47,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:23:56,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:23:58,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:00,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:13,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:39,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:41,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:43,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-09-08 09:24:48,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:51,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:54,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:24:59,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:25:18,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:26:13,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-09-08 09:26:38,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-09-08 09:26:40,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 09:26:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:26:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2024-09-08 09:26:45,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-08 09:26:45,781 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-08 09:26:45,782 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:26:45,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:26:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1248173637, now seen corresponding path program 7 times [2024-09-08 09:26:45,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 09:26:45,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572332239] [2024-09-08 09:26:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:26:45,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 09:26:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:28:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 09:28:02,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 09:28:02,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572332239] [2024-09-08 09:28:02,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572332239] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 09:28:02,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113444683] [2024-09-08 09:28:02,884 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 09:28:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 09:28:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:28:02,885 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 09:28:02,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 09:28:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:28:03,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-09-08 09:28:03,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:28:07,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:28:07,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 139 treesize of output 366 [2024-09-08 09:28:08,732 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 3 proven. 261 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-08 09:28:08,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:28:15,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:28:15,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 189 treesize of output 1617 [2024-09-08 09:32:08,296 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-09-08 09:32:08,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-09-08 09:32:08,298 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-09-08 09:32:08,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-08 09:32:08,498 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-08 09:32:08,499 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:327) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-09-08 09:32:08,505 INFO L158 Benchmark]: Toolchain (without parser) took 721358.03ms. Allocated memory was 130.0MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 57.1MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-09-08 09:32:08,505 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 130.0MB. Free memory was 88.6MB in the beginning and 88.4MB in the end (delta: 155.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 09:32:08,505 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 09:32:08,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.25ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 56.9MB in the beginning and 125.1MB in the end (delta: -68.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-09-08 09:32:08,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.20ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 120.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 09:32:08,506 INFO L158 Benchmark]: Boogie Preprocessor took 39.46ms. Allocated memory is still 169.9MB. Free memory was 120.9MB in the beginning and 117.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 09:32:08,506 INFO L158 Benchmark]: RCFGBuilder took 1147.50ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 88.0MB in the end (delta: 29.8MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-09-08 09:32:08,507 INFO L158 Benchmark]: TraceAbstraction took 719576.30ms. Allocated memory was 169.9MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 86.9MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-09-08 09:32:08,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 130.0MB. Free memory was 88.6MB in the beginning and 88.4MB in the end (delta: 155.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.25ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 56.9MB in the beginning and 125.1MB in the end (delta: -68.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.20ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 120.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.46ms. Allocated memory is still 169.9MB. Free memory was 120.9MB in the beginning and 117.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.50ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 88.0MB in the end (delta: 29.8MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 719576.30ms. Allocated memory was 169.9MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 86.9MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-08 09:32:08,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-prod-cons3.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 09:32:11,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 09:32:11,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-08 09:32:11,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 09:32:11,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 09:32:11,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 09:32:11,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 09:32:11,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 09:32:11,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 09:32:11,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 09:32:11,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 09:32:11,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 09:32:11,149 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 09:32:11,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 09:32:11,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 09:32:11,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 09:32:11,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 09:32:11,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 09:32:11,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 09:32:11,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 09:32:11,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 09:32:11,155 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-08 09:32:11,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 09:32:11,156 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-08 09:32:11,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 09:32:11,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 09:32:11,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 09:32:11,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 09:32:11,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 09:32:11,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 09:32:11,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 09:32:11,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:32:11,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 09:32:11,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 09:32:11,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 09:32:11,159 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-08 09:32:11,160 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 09:32:11,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-08 09:32:11,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 09:32:11,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 09:32:11,161 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 09:32:11,161 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 09:32:11,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-08 09:32:11,161 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 09:32:11,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 09:32:11,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 09:32:11,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 09:32:11,496 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 09:32:11,497 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 09:32:11,498 INFO L431 ainManager$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-prod-cons3.wvr.yml/witness.yml [2024-09-08 09:32:11,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 09:32:11,572 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 09:32:11,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 09:32:13,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 09:32:13,318 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 09:32:13,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-09-08 09:32:13,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/caa5923b9/89bc4d373dd745b2a647b3ed17905c17/FLAGf463ffef6 [2024-09-08 09:32:13,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/caa5923b9/89bc4d373dd745b2a647b3ed17905c17 [2024-09-08 09:32:13,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 09:32:13,352 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 09:32:13,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 09:32:13,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 09:32:13,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 09:32:13,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:32:11" (1/2) ... [2024-09-08 09:32:13,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d80b14d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:32:13, skipping insertion in model container [2024-09-08 09:32:13,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:32:11" (1/2) ... [2024-09-08 09:32:13,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a72d712 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 09:32:13, skipping insertion in model container [2024-09-08 09:32:13,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:32:13" (2/2) ... [2024-09-08 09:32:13,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d80b14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13, skipping insertion in model container [2024-09-08 09:32:13,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:32:13" (2/2) ... [2024-09-08 09:32:13,387 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 09:32:13,388 INFO L1541 ArrayList]: Location invariant before [L141-L141] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:32:13,388 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:32:13,388 INFO L1541 ArrayList]: Location invariant before [L142-L142] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:32:13,391 INFO L1541 ArrayList]: Location invariant before [L143-L143] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-09-08 09:32:13,391 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 09:32:13,391 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-09-08 09:32:13,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 09:32:13,650 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-prod-cons3.wvr.c[4059,4072] [2024-09-08 09:32:13,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:32:13,685 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 09:32:13,877 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-prod-cons3.wvr.c[4059,4072] [2024-09-08 09:32:13,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 09:32:13,909 INFO L204 MainTranslator]: Completed translation [2024-09-08 09:32:13,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13 WrapperNode [2024-09-08 09:32:13,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 09:32:13,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 09:32:13,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 09:32:13,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 09:32:13,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:13,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:13,990 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 260 [2024-09-08 09:32:13,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 09:32:13,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 09:32:13,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 09:32:13,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 09:32:14,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 09:32:14,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 09:32:14,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 09:32:14,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 09:32:14,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (1/1) ... [2024-09-08 09:32:14,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 09:32:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:32:14,117 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 09:32:14,121 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 09:32:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 09:32:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-08 09:32:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-08 09:32:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 09:32:14,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 09:32:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 09:32:14,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 09:32:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 09:32:14,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 09:32:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 09:32:14,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 09:32:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 09:32:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 09:32:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 09:32:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 09:32:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 09:32:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-08 09:32:14,172 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 09:32:14,322 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 09:32:14,324 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 09:32:16,128 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 09:32:16,128 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 09:32:16,451 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 09:32:16,452 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 09:32:16,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:32:16 BoogieIcfgContainer [2024-09-08 09:32:16,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 09:32:16,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 09:32:16,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 09:32:16,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 09:32:16,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 09:32:11" (1/4) ... [2024-09-08 09:32:16,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d79c4c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 09:32:16, skipping insertion in model container [2024-09-08 09:32:16,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 09:32:13" (2/4) ... [2024-09-08 09:32:16,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d79c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:32:16, skipping insertion in model container [2024-09-08 09:32:16,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:32:13" (3/4) ... [2024-09-08 09:32:16,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d79c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:32:16, skipping insertion in model container [2024-09-08 09:32:16,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:32:16" (4/4) ... [2024-09-08 09:32:16,463 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-09-08 09:32:16,480 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 09:32:16,480 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-08 09:32:16,480 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 09:32:16,568 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 09:32:16,614 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 09:32:16,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 09:32:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 09:32:16,616 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 09:32:16,617 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 09:32:16,650 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 09:32:16,662 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 09:32:16,669 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;@65b8e29b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 09:32:16,669 INFO L337 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-09-08 09:32:21,909 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:32:21,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:32:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 549974207, now seen corresponding path program 1 times [2024-09-08 09:32:21,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 09:32:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169673693] [2024-09-08 09:32:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:32:21,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 09:32:21,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 09:32:21,944 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 09:32:21,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-09-08 09:32:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:32:22,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 09:32:22,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:32:22,893 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 09:32:22,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 09:32:22,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 09:32:22,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169673693] [2024-09-08 09:32:22,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169673693] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 09:32:22,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 09:32:22,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 09:32:22,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708912481] [2024-09-08 09:32:22,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 09:32:22,902 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 09:32:22,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 09:32:22,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 09:32:22,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 09:32:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:32:22,926 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:32:22,927 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 09:32:22,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:32:23,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:32:23,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-09-08 09:32:23,706 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 09:32:23,706 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 09:32:23,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 09:32:23,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1318067552, now seen corresponding path program 1 times [2024-09-08 09:32:23,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 09:32:23,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365131089] [2024-09-08 09:32:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 09:32:23,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 09:32:23,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 09:32:23,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 09:32:23,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-09-08 09:32:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 09:32:23,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-08 09:32:23,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 09:32:24,722 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 09:32:24,722 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:33:05,745 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 09:33:05,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 09:33:05,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365131089] [2024-09-08 09:33:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365131089] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 09:33:05,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 09:33:05,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2024-09-08 09:33:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082599997] [2024-09-08 09:33:05,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 09:33:05,747 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 09:33:05,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 09:33:05,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 09:33:05,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-09-08 09:33:05,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:33:05,749 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 09:33:05,749 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 09:33:05,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:33:05,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 09:33:13,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 09:33:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 09:33:13,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 Killed by 15