./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/parallel-parallel-sum-1-dsl.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/parallel-parallel-sum-1-dsl.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 14:58:31,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 14:58:31,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 14:58:31,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 14:58:31,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 14:58:31,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 14:58:31,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 14:58:31,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 14:58:31,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 14:58:31,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 14:58:31,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 14:58:31,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 14:58:31,202 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 14:58:31,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 14:58:31,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 14:58:31,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 14:58:31,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 14:58:31,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 14:58:31,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 14:58:31,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 14:58:31,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 14:58:31,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 14:58:31,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 14:58:31,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 14:58:31,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 14:58:31,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 14:58:31,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 14:58:31,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 14:58:31,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 14:58:31,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 14:58:31,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:58:31,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 14:58:31,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 14:58:31,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 14:58:31,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 14:58:31,207 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 14:58:31,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 14:58:31,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 14:58:31,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 14:58:31,208 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 14:58:31,208 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 14:58:31,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 14:58:31,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 14:58:31,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 14:58:31,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 14:58:31,423 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 14:58:31,424 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 14:58:31,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/parallel-parallel-sum-1-dsl.wvr.yml/witness.yml [2024-09-08 14:58:31,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 14:58:31,614 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 14:58:31,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-09-08 14:58:32,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 14:58:32,903 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 14:58:32,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-09-08 14:58:32,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/66bbf29f8/a3928fc42a4c46018fbbc60e7abeeeda/FLAGb15e19111 [2024-09-08 14:58:33,307 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/66bbf29f8/a3928fc42a4c46018fbbc60e7abeeeda [2024-09-08 14:58:33,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 14:58:33,308 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 14:58:33,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 14:58:33,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 14:58:33,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 14:58:33,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:58:31" (1/2) ... [2024-09-08 14:58:33,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1136f49 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:58:33, skipping insertion in model container [2024-09-08 14:58:33,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:58:31" (1/2) ... [2024-09-08 14:58:33,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46f63afe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 02:58:33, skipping insertion in model container [2024-09-08 14:58:33,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:58:33" (2/2) ... [2024-09-08 14:58:33,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1136f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33, skipping insertion in model container [2024-09-08 14:58:33,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:58:33" (2/2) ... [2024-09-08 14:58:33,370 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 14:58:33,370 INFO L1541 ArrayList]: Location invariant before [L107-L107] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,370 INFO L1541 ArrayList]: Location invariant before [L50-L50] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L102-L102] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L129-L129] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L68-L68] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L120-L120] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L55-L55] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L139-L139] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L87-L87] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,371 INFO L1541 ArrayList]: Location invariant before [L111-L111] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,372 INFO L1541 ArrayList]: Location invariant before [L59-L59] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,372 INFO L1541 ArrayList]: Location invariant before [L73-L73] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,372 INFO L1541 ArrayList]: Location invariant before [L125-L125] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,372 INFO L1541 ArrayList]: Location invariant before [L77-L77] (((((((((((((((((((((((((((n_1 <= 2147483646) && ((2147483649LL + (long long )n_1) + (long long )s_2 >= 0LL)) && ((2147483649LL + (long long )n_1) + (long long )s_6 >= 0LL)) && ((2147483649LL + (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483649LL + (long long )i_7) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_3) + (long long )n_1 >= 0LL)) && ((2147483648LL - (long long )i_7) + (long long )n_1 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_2 >= 0LL)) && ((3221225470LL - (long long )n_1) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )s_6 >= 0LL)) && ((4294967295LL - (long long )i_3) + (long long )i_7 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_2 >= 0LL)) && ((4294967295LL - (long long )i_7) + (long long )s_6 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_2 >= 0LL)) && ((2147483648LL + (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225470LL + (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225470LL + (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967295LL + (long long )i_3) - (long long )i_7 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_2 >= 0LL)) && ((3221225469LL - (long long )n_1) - (long long )s_6 >= 0LL)) && ((3221225469LL - (long long )i_3) - (long long )n_1 >= 0LL)) && ((3221225469LL - (long long )i_7) - (long long )n_1 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )s_6 >= 0LL)) && ((4294967294LL - (long long )i_3) - (long long )i_7 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_2 >= 0LL)) && ((4294967294LL - (long long )i_7) - (long long )s_6 >= 0LL) [2024-09-08 14:58:33,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 14:58:33,543 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-09-08 14:58:33,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:58:33,568 INFO L200 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 14:58:33,720 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-09-08 14:58:33,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 14:58:33,738 INFO L204 MainTranslator]: Completed translation [2024-09-08 14:58:33,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33 WrapperNode [2024-09-08 14:58:33,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 14:58:33,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 14:58:33,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 14:58:33,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 14:58:33,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,807 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 323 [2024-09-08 14:58:33,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 14:58:33,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 14:58:33,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 14:58:33,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 14:58:33,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 14:58:33,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 14:58:33,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 14:58:33,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 14:58:33,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (1/1) ... [2024-09-08 14:58:33,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 14:58:33,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:33,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 14:58:33,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 14:58:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 14:58:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 14:58:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 14:58:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 14:58:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 14:58:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 14:58:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 14:58:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 14:58:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 14:58:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 14:58:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 14:58:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 14:58:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-09-08 14:58:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-09-08 14:58:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-09-08 14:58:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-09-08 14:58:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 14:58:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 14:58:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 14:58:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 14:58:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 14:58:33,916 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 14:58:34,006 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 14:58:34,008 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 14:58:34,511 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 14:58:34,512 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 14:58:34,969 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 14:58:34,970 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 14:58:34,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:58:34 BoogieIcfgContainer [2024-09-08 14:58:34,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 14:58:34,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 14:58:34,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 14:58:34,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 14:58:34,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 02:58:31" (1/4) ... [2024-09-08 14:58:34,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f0ea9b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 02:58:34, skipping insertion in model container [2024-09-08 14:58:34,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:58:33" (2/4) ... [2024-09-08 14:58:34,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f0ea9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:58:34, skipping insertion in model container [2024-09-08 14:58:34,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:58:33" (3/4) ... [2024-09-08 14:58:34,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f0ea9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:58:34, skipping insertion in model container [2024-09-08 14:58:34,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:58:34" (4/4) ... [2024-09-08 14:58:34,980 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-09-08 14:58:34,996 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 14:58:34,997 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-09-08 14:58:34,997 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 14:58:35,111 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-09-08 14:58:35,145 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:58:35,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 14:58:35,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:35,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 14:58:35,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 14:58:35,176 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 14:58:35,186 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork3 ======== [2024-09-08 14:58:35,192 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a9d3e13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 14:58:35,192 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 14:58:35,530 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:35,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:35,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1554481561, now seen corresponding path program 1 times [2024-09-08 14:58:35,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:35,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133051068] [2024-09-08 14:58:35,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:35,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:35,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:35,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133051068] [2024-09-08 14:58:35,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133051068] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:58:35,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:58:35,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 14:58:35,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538167871] [2024-09-08 14:58:35,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:58:35,828 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-09-08 14:58:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-09-08 14:58:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-08 14:58:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:35,852 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:35,853 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2024-09-08 14:58:35,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:35,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:35,895 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 14:58:35,895 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:35,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:35,896 INFO L85 PathProgramCache]: Analyzing trace with hash -944286010, now seen corresponding path program 1 times [2024-09-08 14:58:35,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:35,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064810654] [2024-09-08 14:58:35,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:35,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:36,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:36,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064810654] [2024-09-08 14:58:36,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064810654] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:58:36,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:58:36,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:58:36,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411509591] [2024-09-08 14:58:36,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:58:36,503 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 14:58:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:36,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 14:58:36,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 14:58:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:36,505 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:36,506 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:36,839 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 14:58:36,840 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:36,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:36,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1258935588, now seen corresponding path program 1 times [2024-09-08 14:58:36,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:36,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773817823] [2024-09-08 14:58:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:36,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:36,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:36,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773817823] [2024-09-08 14:58:36,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773817823] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:58:36,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:58:36,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 14:58:36,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978531788] [2024-09-08 14:58:36,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:58:36,928 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 14:58:36,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:36,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 14:58:36,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 14:58:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:36,931 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:36,931 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:36,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:36,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:37,128 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 14:58:37,128 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:37,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:37,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1654517817, now seen corresponding path program 1 times [2024-09-08 14:58:37,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:37,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381781050] [2024-09-08 14:58:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:37,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:37,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381781050] [2024-09-08 14:58:37,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381781050] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:58:37,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 14:58:37,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 14:58:37,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326738955] [2024-09-08 14:58:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:58:37,268 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:58:37,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:37,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:58:37,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 14:58:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,269 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:37,269 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:37,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:37,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:37,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:37,373 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 14:58:37,374 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:37,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:37,374 INFO L85 PathProgramCache]: Analyzing trace with hash 240456525, now seen corresponding path program 1 times [2024-09-08 14:58:37,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:37,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820022853] [2024-09-08 14:58:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:37,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820022853] [2024-09-08 14:58:37,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820022853] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:58:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883103269] [2024-09-08 14:58:37,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:37,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:58:37,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 14:58:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:37,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-08 14:58:37,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:58:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:37,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:58:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:37,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883103269] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:58:37,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:58:37,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-08 14:58:37,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168422914] [2024-09-08 14:58:37,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:58:37,883 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 14:58:37,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:37,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 14:58:37,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-09-08 14:58:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,884 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:37,884 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:37,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:38,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-08 14:58:38,279 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:38,280 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:38,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:38,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1144881017, now seen corresponding path program 2 times [2024-09-08 14:58:38,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:38,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088043345] [2024-09-08 14:58:38,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:38,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:38,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:38,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088043345] [2024-09-08 14:58:38,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088043345] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:58:38,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072703613] [2024-09-08 14:58:38,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 14:58:38,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:38,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:38,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:58:38,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 14:58:38,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 14:58:38,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 14:58:38,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 14:58:38,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:58:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 14:58:38,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 14:58:38,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072703613] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 14:58:38,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 14:58:38,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-09-08 14:58:38,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132837910] [2024-09-08 14:58:38,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:58:38,594 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 14:58:38,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:38,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 14:58:38,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-09-08 14:58:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:38,595 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:38,595 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:38,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:58:38,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 14:58:39,096 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:39,097 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:39,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash 905818084, now seen corresponding path program 1 times [2024-09-08 14:58:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:39,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960218343] [2024-09-08 14:58:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:39,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:39,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960218343] [2024-09-08 14:58:39,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960218343] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:58:39,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207292897] [2024-09-08 14:58:39,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:39,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:39,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:39,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:58:39,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 14:58:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:39,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 14:58:39,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:58:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:39,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:58:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:41,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207292897] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:58:41,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:58:41,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-09-08 14:58:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827213707] [2024-09-08 14:58:41,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:58:41,749 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-08 14:58:41,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:41,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-08 14:58:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-09-08 14:58:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:41,750 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:41,751 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.222222222222222) internal successors, (76), 18 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:58:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:58:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:58:42,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 14:58:42,891 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:42,892 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:42,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1823935734, now seen corresponding path program 1 times [2024-09-08 14:58:42,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:42,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502672525] [2024-09-08 14:58:42,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:42,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:43,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502672525] [2024-09-08 14:58:43,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502672525] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:58:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663715810] [2024-09-08 14:58:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:43,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:43,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:43,034 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:58:43,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 14:58:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:43,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-08 14:58:43,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:58:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:43,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:58:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:43,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663715810] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-08 14:58:43,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-08 14:58:43,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 16 [2024-09-08 14:58:43,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331085998] [2024-09-08 14:58:43,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 14:58:43,302 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 14:58:43,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:43,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 14:58:43,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-09-08 14:58:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:43,303 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:43,303 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:58:43,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:58:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:58:43,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 14:58:43,661 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-08 14:58:43,661 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 14:58:43,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 14:58:43,661 INFO L85 PathProgramCache]: Analyzing trace with hash 925222093, now seen corresponding path program 1 times [2024-09-08 14:58:43,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 14:58:43,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977514890] [2024-09-08 14:58:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:43,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 14:58:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:44,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 14:58:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977514890] [2024-09-08 14:58:44,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977514890] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 14:58:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758136415] [2024-09-08 14:58:44,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 14:58:44,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 14:58:44,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 14:58:44,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 14:58:44,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 14:58:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 14:58:44,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-08 14:58:44,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 14:58:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:44,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 14:58:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 14:58:52,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758136415] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 14:58:52,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 14:58:52,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 26 [2024-09-08 14:58:52,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254478784] [2024-09-08 14:58:52,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 14:58:52,398 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-08 14:58:52,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 14:58:52,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-08 14:58:52,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2024-09-08 14:58:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:52,399 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 14:58:52,399 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 4.148148148148148) internal successors, (112), 27 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 14:58:52,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 14:58:52,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 14:58:52,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.