./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/parallel-parallel-sum-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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/parallel-parallel-sum-2.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/parallel-parallel-sum-2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 02:25:30,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 02:25:30,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 02:25:30,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 02:25:30,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 02:25:30,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 02:25:30,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 02:25:30,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 02:25:30,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 02:25:30,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 02:25:30,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 02:25:30,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 02:25:30,758 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 02:25:30,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 02:25:30,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 02:25:30,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 02:25:30,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 02:25:30,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 02:25:30,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 02:25:30,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 02:25:30,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 02:25:30,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 02:25:30,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 02:25:30,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 02:25:30,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 02:25:30,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 02:25:30,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 02:25:30,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 02:25:30,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 02:25:30,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 02:25:30,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:25:30,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 02:25:30,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 02:25:30,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 02:25:30,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 02:25:30,767 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 02:25:30,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 02:25:30,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 02:25:30,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 02:25:30,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 02:25:30,768 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 02:25:30,769 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 02:25:30,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-23 02:25:31,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 02:25:31,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 02:25:31,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 02:25:31,073 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 02:25:31,073 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 02:25:31,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/parallel-parallel-sum-2.wvr.yml/witness.yml [2024-08-23 02:25:31,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 02:25:31,206 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 02:25:31,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-08-23 02:25:32,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 02:25:32,794 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 02:25:32,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-08-23 02:25:32,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/029a3f151/84babb7fe6594b54963f64a4702a2ff5/FLAG1309c24a0 [2024-08-23 02:25:32,818 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/029a3f151/84babb7fe6594b54963f64a4702a2ff5 [2024-08-23 02:25:32,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 02:25:32,820 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 02:25:32,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 02:25:32,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 02:25:32,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 02:25:32,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:25:31" (1/2) ... [2024-08-23 02:25:32,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fb3935 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:25:32, skipping insertion in model container [2024-08-23 02:25:32,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:25:31" (1/2) ... [2024-08-23 02:25:32,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3577f1fa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 02:25:32, skipping insertion in model container [2024-08-23 02:25:32,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:25:32" (2/2) ... [2024-08-23 02:25:32,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fb3935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:32, skipping insertion in model container [2024-08-23 02:25:32,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 02:25:32" (2/2) ... [2024-08-23 02:25:32,829 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 02:25:32,853 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 02:25:32,854 INFO L97 edCorrectnessWitness]: Location invariant before [L161-L161] ((! multithreaded || n <= 2147483646) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s11 >= 0LL) && (2147483649LL + (long long )n) + (long long )s21 >= 0LL) && (2147483649LL + (long long )n) + (long long )s12 >= 0LL) && (2147483649LL + (long long )n) + (long long )s22 >= 0LL) && (2147483649LL + (long long )n) + (long long )x1 >= 0LL) && (2147483649LL + (long long )n) + (long long )x2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s11 >= 0LL) && (3221225470LL - (long long )n) + (long long )s21 >= 0LL) && (3221225470LL - (long long )n) + (long long )s12 >= 0LL) && (3221225470LL - (long long )n) + (long long )s22 >= 0LL) && (3221225470LL - (long long )n) + (long long )x1 >= 0LL) && (3221225470LL - (long long )n) + (long long )x2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s11 >= 0LL) && (2147483648LL + (long long )n) - (long long )s21 >= 0LL) && (2147483648LL + (long long )n) - (long long )s12 >= 0LL) && (2147483648LL + (long long )n) - (long long )s22 >= 0LL) && (2147483648LL + (long long )n) - (long long )x1 >= 0LL) && (2147483648LL + (long long )n) - (long long )x2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s11 >= 0LL) && (3221225469LL - (long long )n) - (long long )s21 >= 0LL) && (3221225469LL - (long long )n) - (long long )s12 >= 0LL) && (3221225469LL - (long long )n) - (long long )s22 >= 0LL) && (3221225469LL - (long long )n) - (long long )x1 >= 0LL) && (3221225469LL - (long long )n) - (long long )x2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x2 >= 0LL))) && (! multithreaded || n <= 2147483646) [2024-08-23 02:25:32,854 INFO L97 edCorrectnessWitness]: Location invariant before [L128-L128] ((! multithreaded || n <= 2147483646) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s11 >= 0LL) && (2147483649LL + (long long )n) + (long long )s21 >= 0LL) && (2147483649LL + (long long )n) + (long long )s12 >= 0LL) && (2147483649LL + (long long )n) + (long long )s22 >= 0LL) && (2147483649LL + (long long )n) + (long long )x1 >= 0LL) && (2147483649LL + (long long )n) + (long long )x2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s11 >= 0LL) && (3221225470LL - (long long )n) + (long long )s21 >= 0LL) && (3221225470LL - (long long )n) + (long long )s12 >= 0LL) && (3221225470LL - (long long )n) + (long long )s22 >= 0LL) && (3221225470LL - (long long )n) + (long long )x1 >= 0LL) && (3221225470LL - (long long )n) + (long long )x2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s11 >= 0LL) && (2147483648LL + (long long )n) - (long long )s21 >= 0LL) && (2147483648LL + (long long )n) - (long long )s12 >= 0LL) && (2147483648LL + (long long )n) - (long long )s22 >= 0LL) && (2147483648LL + (long long )n) - (long long )x1 >= 0LL) && (2147483648LL + (long long )n) - (long long )x2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s11 >= 0LL) && (3221225469LL - (long long )n) - (long long )s21 >= 0LL) && (3221225469LL - (long long )n) - (long long )s12 >= 0LL) && (3221225469LL - (long long )n) - (long long )s22 >= 0LL) && (3221225469LL - (long long )n) - (long long )x1 >= 0LL) && (3221225469LL - (long long )n) - (long long )x2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x2 >= 0LL))) && (! multithreaded || n <= 2147483646) [2024-08-23 02:25:32,855 INFO L97 edCorrectnessWitness]: Location invariant before [L82-L82] ((! multithreaded || n <= 2147483646) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s11 >= 0LL) && (2147483649LL + (long long )n) + (long long )s21 >= 0LL) && (2147483649LL + (long long )n) + (long long )s12 >= 0LL) && (2147483649LL + (long long )n) + (long long )s22 >= 0LL) && (2147483649LL + (long long )n) + (long long )x1 >= 0LL) && (2147483649LL + (long long )n) + (long long )x2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s11 >= 0LL) && (3221225470LL - (long long )n) + (long long )s21 >= 0LL) && (3221225470LL - (long long )n) + (long long )s12 >= 0LL) && (3221225470LL - (long long )n) + (long long )s22 >= 0LL) && (3221225470LL - (long long )n) + (long long )x1 >= 0LL) && (3221225470LL - (long long )n) + (long long )x2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s11 >= 0LL) && (2147483648LL + (long long )n) - (long long )s21 >= 0LL) && (2147483648LL + (long long )n) - (long long )s12 >= 0LL) && (2147483648LL + (long long )n) - (long long )s22 >= 0LL) && (2147483648LL + (long long )n) - (long long )x1 >= 0LL) && (2147483648LL + (long long )n) - (long long )x2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s11 >= 0LL) && (3221225469LL - (long long )n) - (long long )s21 >= 0LL) && (3221225469LL - (long long )n) - (long long )s12 >= 0LL) && (3221225469LL - (long long )n) - (long long )s22 >= 0LL) && (3221225469LL - (long long )n) - (long long )x1 >= 0LL) && (3221225469LL - (long long )n) - (long long )x2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x2 >= 0LL))) && (! multithreaded || n <= 2147483646) [2024-08-23 02:25:32,855 INFO L97 edCorrectnessWitness]: Location invariant before [L127-L127] ((! multithreaded || n <= 2147483646) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s11 >= 0LL) && (2147483649LL + (long long )n) + (long long )s21 >= 0LL) && (2147483649LL + (long long )n) + (long long )s12 >= 0LL) && (2147483649LL + (long long )n) + (long long )s22 >= 0LL) && (2147483649LL + (long long )n) + (long long )x1 >= 0LL) && (2147483649LL + (long long )n) + (long long )x2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s11 >= 0LL) && (3221225470LL - (long long )n) + (long long )s21 >= 0LL) && (3221225470LL - (long long )n) + (long long )s12 >= 0LL) && (3221225470LL - (long long )n) + (long long )s22 >= 0LL) && (3221225470LL - (long long )n) + (long long )x1 >= 0LL) && (3221225470LL - (long long )n) + (long long )x2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s11 >= 0LL) && (2147483648LL + (long long )n) - (long long )s21 >= 0LL) && (2147483648LL + (long long )n) - (long long )s12 >= 0LL) && (2147483648LL + (long long )n) - (long long )s22 >= 0LL) && (2147483648LL + (long long )n) - (long long )x1 >= 0LL) && (2147483648LL + (long long )n) - (long long )x2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s11 >= 0LL) && (3221225469LL - (long long )n) - (long long )s21 >= 0LL) && (3221225469LL - (long long )n) - (long long )s12 >= 0LL) && (3221225469LL - (long long )n) - (long long )s22 >= 0LL) && (3221225469LL - (long long )n) - (long long )x1 >= 0LL) && (3221225469LL - (long long )n) - (long long )x2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x2 >= 0LL))) && (! multithreaded || n <= 2147483646) [2024-08-23 02:25:32,855 INFO L97 edCorrectnessWitness]: Location invariant before [L162-L162] ((! multithreaded || n <= 2147483646) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s11 >= 0LL) && (2147483649LL + (long long )n) + (long long )s21 >= 0LL) && (2147483649LL + (long long )n) + (long long )s12 >= 0LL) && (2147483649LL + (long long )n) + (long long )s22 >= 0LL) && (2147483649LL + (long long )n) + (long long )x1 >= 0LL) && (2147483649LL + (long long )n) + (long long )x2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s11 >= 0LL) && (3221225470LL - (long long )n) + (long long )s21 >= 0LL) && (3221225470LL - (long long )n) + (long long )s12 >= 0LL) && (3221225470LL - (long long )n) + (long long )s22 >= 0LL) && (3221225470LL - (long long )n) + (long long )x1 >= 0LL) && (3221225470LL - (long long )n) + (long long )x2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s11 >= 0LL) && (2147483648LL + (long long )n) - (long long )s21 >= 0LL) && (2147483648LL + (long long )n) - (long long )s12 >= 0LL) && (2147483648LL + (long long )n) - (long long )s22 >= 0LL) && (2147483648LL + (long long )n) - (long long )x1 >= 0LL) && (2147483648LL + (long long )n) - (long long )x2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s11 >= 0LL) && (3221225469LL - (long long )n) - (long long )s21 >= 0LL) && (3221225469LL - (long long )n) - (long long )s12 >= 0LL) && (3221225469LL - (long long )n) - (long long )s22 >= 0LL) && (3221225469LL - (long long )n) - (long long )x1 >= 0LL) && (3221225469LL - (long long )n) - (long long )x2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x2 >= 0LL))) && (! multithreaded || n <= 2147483646) [2024-08-23 02:25:32,855 INFO L97 edCorrectnessWitness]: Location invariant before [L81-L81] ((! multithreaded || n <= 2147483646) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s11 >= 0LL) && (2147483649LL + (long long )n) + (long long )s21 >= 0LL) && (2147483649LL + (long long )n) + (long long )s12 >= 0LL) && (2147483649LL + (long long )n) + (long long )s22 >= 0LL) && (2147483649LL + (long long )n) + (long long )x1 >= 0LL) && (2147483649LL + (long long )n) + (long long )x2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )x2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s11 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s21 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s12 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s22 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )x2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s11 >= 0LL) && (3221225470LL - (long long )n) + (long long )s21 >= 0LL) && (3221225470LL - (long long )n) + (long long )s12 >= 0LL) && (3221225470LL - (long long )n) + (long long )s22 >= 0LL) && (3221225470LL - (long long )n) + (long long )x1 >= 0LL) && (3221225470LL - (long long )n) + (long long )x2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )x2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s11 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s21 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s12 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s22 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )x2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s11 >= 0LL) && (2147483648LL + (long long )n) - (long long )s21 >= 0LL) && (2147483648LL + (long long )n) - (long long )s12 >= 0LL) && (2147483648LL + (long long )n) - (long long )s22 >= 0LL) && (2147483648LL + (long long )n) - (long long )x1 >= 0LL) && (2147483648LL + (long long )n) - (long long )x2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )x2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s11 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s21 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s12 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s22 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )x2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s11 >= 0LL) && (3221225469LL - (long long )n) - (long long )s21 >= 0LL) && (3221225469LL - (long long )n) - (long long )s12 >= 0LL) && (3221225469LL - (long long )n) - (long long )s22 >= 0LL) && (3221225469LL - (long long )n) - (long long )x1 >= 0LL) && (3221225469LL - (long long )n) - (long long )x2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )x2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s11 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s21 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s12 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s22 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )x2 >= 0LL))) && (! multithreaded || n <= 2147483646) [2024-08-23 02:25:32,856 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 02:25:32,856 INFO L106 edCorrectnessWitness]: ghost_update [L160-L160] multithreaded = 1; [2024-08-23 02:25:32,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 02:25:33,068 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:25:33,078 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 02:25:33,350 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 02:25:33,376 INFO L206 MainTranslator]: Completed translation [2024-08-23 02:25:33,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33 WrapperNode [2024-08-23 02:25:33,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 02:25:33,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 02:25:33,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 02:25:33,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 02:25:33,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,470 INFO L138 Inliner]: procedures = 28, calls = 59, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 388 [2024-08-23 02:25:33,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 02:25:33,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 02:25:33,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 02:25:33,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 02:25:33,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 02:25:33,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 02:25:33,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 02:25:33,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 02:25:33,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (1/1) ... [2024-08-23 02:25:33,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 02:25:33,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:33,623 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) [2024-08-23 02:25:33,632 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 [2024-08-23 02:25:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 02:25:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 02:25:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 02:25:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 02:25:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 02:25:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 02:25:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 02:25:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-23 02:25:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-23 02:25:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-08-23 02:25:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-08-23 02:25:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 02:25:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-23 02:25:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 02:25:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 02:25:33,692 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 02:25:33,850 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 02:25:33,851 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 02:25:34,629 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 02:25:34,629 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 02:25:35,095 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 02:25:35,095 INFO L319 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-23 02:25:35,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:25:35 BoogieIcfgContainer [2024-08-23 02:25:35,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 02:25:35,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 02:25:35,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 02:25:35,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 02:25:35,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 02:25:31" (1/4) ... [2024-08-23 02:25:35,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d62ac17 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 02:25:35, skipping insertion in model container [2024-08-23 02:25:35,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 02:25:32" (2/4) ... [2024-08-23 02:25:35,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d62ac17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:25:35, skipping insertion in model container [2024-08-23 02:25:35,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 02:25:33" (3/4) ... [2024-08-23 02:25:35,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d62ac17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:25:35, skipping insertion in model container [2024-08-23 02:25:35,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:25:35" (4/4) ... [2024-08-23 02:25:35,111 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-08-23 02:25:35,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 02:25:35,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-08-23 02:25:35,130 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 02:25:35,311 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-08-23 02:25:35,361 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:25:35,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 02:25:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:35,364 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) [2024-08-23 02:25:35,366 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 [2024-08-23 02:25:35,401 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 02:25:35,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork0 ======== [2024-08-23 02:25:35,422 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3df8cc88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 02:25:35,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-23 02:25:35,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:35,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:35,980 INFO L85 PathProgramCache]: Analyzing trace with hash -64677188, now seen corresponding path program 1 times [2024-08-23 02:25:35,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:35,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45217362] [2024-08-23 02:25:35,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:35,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:39,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:39,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45217362] [2024-08-23 02:25:39,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45217362] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:25:39,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:25:39,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 02:25:39,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676586771] [2024-08-23 02:25:39,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:39,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:25:39,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:39,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:25:39,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-23 02:25:39,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:39,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:39,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-08-23 02:25:39,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:40,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 02:25:40,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:40,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:40,185 INFO L85 PathProgramCache]: Analyzing trace with hash -779974404, now seen corresponding path program 1 times [2024-08-23 02:25:40,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:40,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178807177] [2024-08-23 02:25:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:41,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:41,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178807177] [2024-08-23 02:25:41,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178807177] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:25:41,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:25:41,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 02:25:41,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861841051] [2024-08-23 02:25:41,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:41,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 02:25:41,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:41,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 02:25:41,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-08-23 02:25:41,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:41,975 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:41,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-08-23 02:25:41,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:41,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:42,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 02:25:42,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:42,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:42,769 INFO L85 PathProgramCache]: Analyzing trace with hash 285967173, now seen corresponding path program 1 times [2024-08-23 02:25:42,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:42,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863224563] [2024-08-23 02:25:42,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:42,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:42,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:42,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863224563] [2024-08-23 02:25:42,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863224563] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:25:42,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:25:42,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 02:25:42,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706467224] [2024-08-23 02:25:42,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:42,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 02:25:42,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 02:25:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 02:25:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:42,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:42,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-08-23 02:25:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:43,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 02:25:43,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:43,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:43,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1383793125, now seen corresponding path program 1 times [2024-08-23 02:25:43,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:43,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838710104] [2024-08-23 02:25:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:43,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:43,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838710104] [2024-08-23 02:25:43,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838710104] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:25:43,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205318730] [2024-08-23 02:25:43,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:43,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:43,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:43,317 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) [2024-08-23 02:25:43,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 02:25:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:43,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 02:25:43,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:25:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:43,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:25:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:43,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205318730] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:25:43,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:25:43,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-08-23 02:25:43,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439701045] [2024-08-23 02:25:43,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:25:43,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-23 02:25:43,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:43,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-23 02:25:43,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-08-23 02:25:43,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:43,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:43,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:25:43,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:43,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:43,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:43,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:43,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-23 02:25:44,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:44,071 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:44,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1056659269, now seen corresponding path program 2 times [2024-08-23 02:25:44,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:44,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653538020] [2024-08-23 02:25:44,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:44,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:47,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:47,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653538020] [2024-08-23 02:25:47,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653538020] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:25:47,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769587204] [2024-08-23 02:25:47,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:25:47,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:47,003 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) [2024-08-23 02:25:47,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 02:25:47,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:25:47,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:25:47,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-23 02:25:47,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:25:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 02:25:47,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:25:47,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769587204] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:25:47,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:25:47,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 13 [2024-08-23 02:25:47,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025866320] [2024-08-23 02:25:47,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:47,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 02:25:47,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:47,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 02:25:47,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-08-23 02:25:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:47,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:47,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-08-23 02:25:47,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:47,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:48,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:48,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 02:25:48,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:48,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:48,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:48,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2059006472, now seen corresponding path program 1 times [2024-08-23 02:25:48,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:48,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146263439] [2024-08-23 02:25:48,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:48,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-23 02:25:50,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:50,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146263439] [2024-08-23 02:25:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146263439] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:25:50,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 02:25:50,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 02:25:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438339567] [2024-08-23 02:25:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:50,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:25:50,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:25:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-23 02:25:50,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:50,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:50,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-08-23 02:25:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:50,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:51,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-23 02:25:51,113 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:51,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:51,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1905767359, now seen corresponding path program 3 times [2024-08-23 02:25:51,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:51,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368990364] [2024-08-23 02:25:51,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:51,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:51,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:51,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368990364] [2024-08-23 02:25:51,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368990364] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:25:51,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549538978] [2024-08-23 02:25:51,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 02:25:51,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:51,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:51,301 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) [2024-08-23 02:25:51,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-23 02:25:51,433 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-08-23 02:25:51,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:25:51,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-23 02:25:51,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:25:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-23 02:25:52,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:25:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549538978] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:25:52,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:25:52,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-08-23 02:25:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531938851] [2024-08-23 02:25:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:52,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 02:25:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 02:25:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-08-23 02:25:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:52,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:52,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-08-23 02:25:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:52,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:52,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:52,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:52,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:52,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:53,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-23 02:25:53,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:53,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:53,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash -210972929, now seen corresponding path program 1 times [2024-08-23 02:25:53,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:53,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204581859] [2024-08-23 02:25:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:53,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:53,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:53,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204581859] [2024-08-23 02:25:53,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204581859] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:25:53,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80395887] [2024-08-23 02:25:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:53,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:53,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:53,880 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) [2024-08-23 02:25:53,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-23 02:25:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:54,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 02:25:54,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:25:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:54,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:25:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:54,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80395887] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-23 02:25:54,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-23 02:25:54,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2024-08-23 02:25:54,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443826160] [2024-08-23 02:25:54,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:25:54,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 02:25:54,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:25:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 02:25:54,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-08-23 02:25:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:54,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:25:54,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:25:54,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:25:54,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-23 02:25:54,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-08-23 02:25:54,720 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:25:54,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:25:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1092853453, now seen corresponding path program 1 times [2024-08-23 02:25:54,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:25:54,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144190649] [2024-08-23 02:25:54,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:54,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:25:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:57,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:25:57,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144190649] [2024-08-23 02:25:57,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144190649] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:25:57,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185191957] [2024-08-23 02:25:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:25:57,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:25:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:25:57,391 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) [2024-08-23 02:25:57,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-23 02:25:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:25:57,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-23 02:25:57,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:25:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:25:58,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:26:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:26:16,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185191957] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:26:16,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:26:16,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-08-23 02:26:16,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175904082] [2024-08-23 02:26:16,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:26:16,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-23 02:26:16,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:26:16,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-23 02:26:16,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2024-08-23 02:26:16,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:26:16,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:26:16,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.0) internal successors, (132), 22 states have internal predecessors, (132), 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) [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:16,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:26:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:26:20,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-23 02:26:21,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:26:21,125 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:26:21,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:26:21,125 INFO L85 PathProgramCache]: Analyzing trace with hash -146360013, now seen corresponding path program 2 times [2024-08-23 02:26:21,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:26:21,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247888306] [2024-08-23 02:26:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:26:21,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:26:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:26:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:26:23,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:26:23,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247888306] [2024-08-23 02:26:23,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247888306] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:26:23,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196797149] [2024-08-23 02:26:23,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:26:23,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:26:23,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:26:23,817 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) [2024-08-23 02:26:23,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-23 02:26:24,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:26:24,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:26:24,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-23 02:26:24,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:26:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 02:26:25,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:26:25,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196797149] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:26:25,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:26:25,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 16 [2024-08-23 02:26:25,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147308993] [2024-08-23 02:26:25,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:26:25,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 02:26:25,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:26:25,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 02:26:25,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-08-23 02:26:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:26:25,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:26:25,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:25,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:26:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:26:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:26:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:26:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:26:25,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-23 02:26:26,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-23 02:26:26,097 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:26:26,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:26:26,097 INFO L85 PathProgramCache]: Analyzing trace with hash 422417327, now seen corresponding path program 3 times [2024-08-23 02:26:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:26:26,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885866219] [2024-08-23 02:26:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:26:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:26:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:26:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:26:28,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:26:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885866219] [2024-08-23 02:26:28,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885866219] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:26:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127531598] [2024-08-23 02:26:28,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 02:26:28,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:26:28,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:26:28,785 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) [2024-08-23 02:26:28,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-23 02:26:28,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-23 02:26:28,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:26:28,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 26 conjunts are in the unsatisfiable core [2024-08-23 02:26:28,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:26:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 02:26:30,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:26:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 02:26:44,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127531598] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-23 02:26:44,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-23 02:26:44,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 6] total 24 [2024-08-23 02:26:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462008358] [2024-08-23 02:26:44,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:26:44,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-23 02:26:44,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:26:44,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-23 02:26:44,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2024-08-23 02:26:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:26:44,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:26:44,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2024-08-23 02:26:44,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:44,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:44,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:26:44,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:44,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:44,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:44,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:44,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:44,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:26:44,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:26:44,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:26:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:26:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:26:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:26:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:26:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:26:57,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-23 02:26:57,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:26:57,650 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:26:57,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:26:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1380383344, now seen corresponding path program 1 times [2024-08-23 02:26:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:26:57,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013059423] [2024-08-23 02:26:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:26:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:26:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:26:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:26:59,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:26:59,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013059423] [2024-08-23 02:26:59,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013059423] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:26:59,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017355199] [2024-08-23 02:26:59,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:26:59,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:26:59,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:26:59,435 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) [2024-08-23 02:26:59,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-23 02:26:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:26:59,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 43 conjunts are in the unsatisfiable core [2024-08-23 02:26:59,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:27:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:27:00,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:27:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:27:17,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017355199] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:27:17,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:27:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 33 [2024-08-23 02:27:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831010824] [2024-08-23 02:27:17,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:27:17,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-08-23 02:27:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:27:17,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-08-23 02:27:17,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=966, Unknown=0, NotChecked=0, Total=1190 [2024-08-23 02:27:17,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:27:17,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:27:17,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 3.6176470588235294) internal successors, (123), 34 states have internal predecessors, (123), 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) [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:27:17,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:27:24,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:27:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:27:24,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-23 02:27:24,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:27:24,927 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:27:24,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:27:24,927 INFO L85 PathProgramCache]: Analyzing trace with hash -233941616, now seen corresponding path program 2 times [2024-08-23 02:27:24,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:27:24,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087700855] [2024-08-23 02:27:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:27:24,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:27:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:27:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:27:27,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:27:27,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087700855] [2024-08-23 02:27:27,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087700855] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:27:27,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139478401] [2024-08-23 02:27:27,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:27:27,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:27:27,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:27:27,805 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) [2024-08-23 02:27:27,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-23 02:27:27,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-23 02:27:27,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:27:27,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-23 02:27:27,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:27:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-08-23 02:27:29,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 02:27:29,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139478401] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 02:27:29,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 02:27:29,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 24 [2024-08-23 02:27:29,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427497374] [2024-08-23 02:27:29,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:27:29,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 02:27:29,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:27:29,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 02:27:29,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2024-08-23 02:27:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:27:29,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:27:29,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:27:29,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:27:29,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:27:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:27:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:27:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:30,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-23 02:27:30,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-23 02:27:30,189 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:27:30,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:27:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1910853956, now seen corresponding path program 1 times [2024-08-23 02:27:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:27:30,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592034167] [2024-08-23 02:27:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:27:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:27:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:27:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:27:33,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:27:33,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592034167] [2024-08-23 02:27:33,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592034167] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:27:33,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419551737] [2024-08-23 02:27:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:27:33,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:27:33,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:27:33,162 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) [2024-08-23 02:27:33,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-23 02:27:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:27:33,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 61 conjunts are in the unsatisfiable core [2024-08-23 02:27:33,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:27:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:27:35,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:27:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:27:56,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419551737] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:27:56,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:27:56,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 60 [2024-08-23 02:27:56,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463406898] [2024-08-23 02:27:56,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:27:56,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-08-23 02:27:56,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:27:56,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-08-23 02:27:56,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=685, Invalid=3097, Unknown=0, NotChecked=0, Total=3782 [2024-08-23 02:27:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:27:56,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:27:56,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 2.901639344262295) internal successors, (177), 61 states have internal predecessors, (177), 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) [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:27:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:28:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:28:15,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-23 02:28:15,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:28:16,000 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:28:16,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:28:16,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1831341756, now seen corresponding path program 2 times [2024-08-23 02:28:16,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:28:16,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693565726] [2024-08-23 02:28:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:28:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:28:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:28:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:28:20,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:28:20,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693565726] [2024-08-23 02:28:20,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693565726] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:28:20,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932193023] [2024-08-23 02:28:20,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:28:20,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:28:20,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:28:20,579 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) [2024-08-23 02:28:20,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-23 02:28:20,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 02:28:20,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:28:20,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 90 conjunts are in the unsatisfiable core [2024-08-23 02:28:20,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:28:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:28:24,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:28:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 4 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:28:44,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932193023] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:28:44,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:28:44,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 108 [2024-08-23 02:28:44,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318382548] [2024-08-23 02:28:44,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:28:44,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-08-23 02:28:44,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:28:44,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-08-23 02:28:44,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2379, Invalid=9611, Unknown=0, NotChecked=0, Total=11990 [2024-08-23 02:28:44,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:28:44,581 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:28:44,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 109 states have (on average 2.0642201834862384) internal successors, (225), 109 states have internal predecessors, (225), 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) [2024-08-23 02:28:44,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:28:44,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:44,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:28:44,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:44,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:44,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:28:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:29:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:29:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:29:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:29:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:29:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:29:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-08-23 02:29:11,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-23 02:29:11,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-23 02:29:11,329 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:29:11,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:29:11,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1761423684, now seen corresponding path program 3 times [2024-08-23 02:29:11,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:29:11,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580521204] [2024-08-23 02:29:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:29:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:29:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:29:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 0 proven. 1957 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:29:20,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:29:20,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580521204] [2024-08-23 02:29:20,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580521204] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:29:20,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276115615] [2024-08-23 02:29:20,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 02:29:20,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:29:20,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:29:20,312 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) [2024-08-23 02:29:20,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-23 02:29:20,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-23 02:29:20,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:29:20,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-23 02:29:20,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:29:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2024-08-23 02:29:23,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:29:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2024-08-23 02:29:39,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276115615] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-23 02:29:39,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-23 02:29:39,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [68, 6] total 80 [2024-08-23 02:29:39,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773674623] [2024-08-23 02:29:39,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 02:29:39,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-23 02:29:39,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:29:39,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-23 02:29:39,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=6425, Unknown=0, NotChecked=0, Total=6642 [2024-08-23 02:29:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:29:39,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:29:39,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 02:29:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 02:29:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:29:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 02:29:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-23 02:29:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-08-23 02:29:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-08-23 02:29:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:29:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:29:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:29:58,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 02:29:58,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-23 02:29:59,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-23 02:29:59,081 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:29:59,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:29:59,082 INFO L85 PathProgramCache]: Analyzing trace with hash 697815361, now seen corresponding path program 1 times [2024-08-23 02:29:59,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:29:59,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658134682] [2024-08-23 02:29:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:29:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:29:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:30:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 1830 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:30:01,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:30:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658134682] [2024-08-23 02:30:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658134682] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:30:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188346568] [2024-08-23 02:30:01,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:30:01,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:30:01,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:30:01,678 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:30:01,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-23 02:30:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:30:01,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 69 conjunts are in the unsatisfiable core [2024-08-23 02:30:01,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:30:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 1891 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:30:06,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:30:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 1953 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:30:09,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188346568] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:30:09,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:30:09,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 196 [2024-08-23 02:30:09,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248476151] [2024-08-23 02:30:09,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:30:09,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 197 states [2024-08-23 02:30:09,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:30:09,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2024-08-23 02:30:09,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15907, Invalid=22705, Unknown=0, NotChecked=0, Total=38612 [2024-08-23 02:30:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:30:09,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:30:09,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 197 states, 197 states have (on average 1.6649746192893402) internal successors, (328), 196 states have internal predecessors, (328), 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) [2024-08-23 02:30:09,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:30:09,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 02:30:09,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:30:12,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 02:30:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-08-23 02:30:12,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-08-23 02:30:12,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-23 02:30:12,763 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:30:12,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:30:12,764 INFO L85 PathProgramCache]: Analyzing trace with hash -120897395, now seen corresponding path program 1 times [2024-08-23 02:30:12,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:30:12,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582586686] [2024-08-23 02:30:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:30:12,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:30:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:30:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 0 proven. 1955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:30:20,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:30:20,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582586686] [2024-08-23 02:30:20,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582586686] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:30:20,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495458375] [2024-08-23 02:30:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:30:20,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:30:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:30:20,304 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:30:20,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-23 02:30:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:30:20,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 162 conjunts are in the unsatisfiable core [2024-08-23 02:30:20,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:30:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 0 proven. 1955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:30:31,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:31:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 0 proven. 1955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:31:07,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495458375] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:31:07,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:31:07,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 207 [2024-08-23 02:31:07,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939005456] [2024-08-23 02:31:07,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:31:07,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2024-08-23 02:31:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:31:07,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2024-08-23 02:31:07,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8863, Invalid=34609, Unknown=0, NotChecked=0, Total=43472 [2024-08-23 02:31:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:31:07,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:31:07,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 208 states have (on average 1.5576923076923077) internal successors, (324), 208 states have internal predecessors, (324), 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) [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:31:07,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-08-23 02:31:07,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:31:16,089 WARN L293 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 550 DAG size of output: 502 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:31:36,298 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 387 DAG size of output: 361 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:31:42,685 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 382 DAG size of output: 356 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:31:48,798 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 378 DAG size of output: 351 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:31:54,865 WARN L293 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 373 DAG size of output: 346 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:32:00,846 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 368 DAG size of output: 341 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:32:06,642 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 363 DAG size of output: 336 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:32:12,331 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 358 DAG size of output: 331 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:35:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-08-23 02:35:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:35:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 02:35:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-08-23 02:35:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-08-23 02:35:04,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-08-23 02:35:04,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-23 02:35:04,439 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 02:35:04,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 02:35:04,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1529823091, now seen corresponding path program 2 times [2024-08-23 02:35:04,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 02:35:04,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897275469] [2024-08-23 02:35:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 02:35:04,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 02:35:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 02:35:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 0 proven. 8003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:35:24,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 02:35:24,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897275469] [2024-08-23 02:35:24,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897275469] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 02:35:24,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426803741] [2024-08-23 02:35:24,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 02:35:24,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 02:35:24,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 02:35:24,306 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 02:35:24,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-23 02:35:24,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 02:35:24,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 02:35:24,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 295 conjunts are in the unsatisfiable core [2024-08-23 02:35:24,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 02:35:57,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-08-23 02:35:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 0 proven. 8003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:35:57,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 02:36:11,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 02:36:11,722 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 759 treesize of output 515 [2024-08-23 02:38:00,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 0 proven. 8003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 02:38:00,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426803741] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 02:38:00,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 02:38:00,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [133, 132, 133] total 398 [2024-08-23 02:38:00,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580510372] [2024-08-23 02:38:00,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 02:38:00,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 400 states [2024-08-23 02:38:00,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 02:38:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 400 interpolants. [2024-08-23 02:38:00,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33629, Invalid=125971, Unknown=0, NotChecked=0, Total=159600 [2024-08-23 02:38:00,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:00,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 02:38:00,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 400 states, 399 states have (on average 1.2932330827067668) internal successors, (516), 399 states have internal predecessors, (516), 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) [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 02:38:00,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-08-23 02:38:00,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 02:38:20,966 WARN L293 SmtUtils]: Spent 17.70s on a formula simplification. DAG size of input: 890 DAG size of output: 865 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15