./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/popl20-more-array-sum2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/popl20-more-array-sum2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 22:03:05,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 22:03:05,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 22:03:05,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 22:03:05,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 22:03:05,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 22:03:05,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 22:03:05,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 22:03:05,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 22:03:05,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 22:03:05,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 22:03:05,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 22:03:05,261 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 22:03:05,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 22:03:05,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 22:03:05,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 22:03:05,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 22:03:05,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 22:03:05,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 22:03:05,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 22:03:05,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 22:03:05,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 22:03:05,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 22:03:05,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 22:03:05,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 22:03:05,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 22:03:05,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 22:03:05,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 22:03:05,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 22:03:05,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 22:03:05,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 22:03:05,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 22:03:05,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 22:03:05,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 22:03:05,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 22:03:05,266 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 22:03:05,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 22:03:05,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 22:03:05,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 22:03:05,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 22:03:05,267 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 22:03:05,267 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 22:03:05,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 22:03:05,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 22:03:05,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 22:03:05,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 22:03:05,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 22:03:05,475 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 22:03:05,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-08-26 22:03:06,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 22:03:06,799 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 22:03:06,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-08-26 22:03:06,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b38e55b9e/9295e6a028d4421287308c0a29049394/FLAGc2d3ac7bf [2024-08-26 22:03:06,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b38e55b9e/9295e6a028d4421287308c0a29049394 [2024-08-26 22:03:06,824 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 22:03:06,825 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 22:03:06,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-local/popl20-more-array-sum2.wvr.yml/witness.yml [2024-08-26 22:03:06,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 22:03:06,914 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 22:03:06,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 22:03:06,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 22:03:06,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 22:03:06,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:03:06" (1/2) ... [2024-08-26 22:03:06,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acad31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:03:06, skipping insertion in model container [2024-08-26 22:03:06,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:03:06" (1/2) ... [2024-08-26 22:03:06,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56f9adcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:03:06, skipping insertion in model container [2024-08-26 22:03:06,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 10:03:06" (2/2) ... [2024-08-26 22:03:06,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acad31b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:06, skipping insertion in model container [2024-08-26 22:03:06,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 10:03:06" (2/2) ... [2024-08-26 22:03:06,923 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 22:03:06,942 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 22:03:06,943 INFO L1541 ArrayList]: Location invariant before [L70-L70] ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483647LL + (long long )N) + (long long )res1 >= 0LL)) && ((2147483647LL + (long long )N) + (long long )res2 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res1 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res2 >= 0LL)) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res1 >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res2 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res1 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res2 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res1 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res2 >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res1 >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res2 >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res2 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res1 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-08-26 22:03:06,943 INFO L1541 ArrayList]: Location invariant before [L50-L50] ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483647LL + (long long )N) + (long long )res1 >= 0LL)) && ((2147483647LL + (long long )N) + (long long )res2 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res1 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res2 >= 0LL)) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res1 >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res2 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res1 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res2 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res1 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res2 >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res1 >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res2 >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res2 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res1 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-08-26 22:03:06,944 INFO L1541 ArrayList]: Location invariant before [L60-L60] ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483647LL + (long long )N) + (long long )res1 >= 0LL)) && ((2147483647LL + (long long )N) + (long long )res2 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res1 >= 0LL)) && ((4294967295LL + (long long )M) + (long long )res2 >= 0LL)) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res1 >= 0LL)) && ((3221225471LL - (long long )N) + (long long )res2 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res1 >= 0LL)) && ((4294967294LL - (long long )M) + (long long )res2 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res1 >= 0LL)) && ((2147483646LL + (long long )N) - (long long )res2 >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res1 >= 0LL)) && ((4294967294LL + (long long )M) - (long long )res2 >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res1 >= 0LL)) && ((3221225470LL - (long long )N) - (long long )res2 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res1 >= 0LL)) && ((4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-08-26 22:03:06,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 22:03:07,122 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 22:03:07,128 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 22:03:07,195 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 22:03:07,207 INFO L206 MainTranslator]: Completed translation [2024-08-26 22:03:07,208 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07 WrapperNode [2024-08-26 22:03:07,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 22:03:07,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 22:03:07,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 22:03:07,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 22:03:07,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,249 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 272 [2024-08-26 22:03:07,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 22:03:07,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 22:03:07,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 22:03:07,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 22:03:07,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 22:03:07,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 22:03:07,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 22:03:07,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 22:03:07,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (1/1) ... [2024-08-26 22:03:07,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 22:03:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:07,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-26 22:03:07,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-26 22:03:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 22:03:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-26 22:03:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-26 22:03:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-26 22:03:07,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-26 22:03:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 22:03:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 22:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-26 22:03:07,334 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 22:03:07,414 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 22:03:07,416 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 22:03:07,788 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 22:03:07,788 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 22:03:08,089 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 22:03:08,090 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-26 22:03:08,090 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:03:08 BoogieIcfgContainer [2024-08-26 22:03:08,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 22:03:08,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 22:03:08,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 22:03:08,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 22:03:08,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 10:03:06" (1/4) ... [2024-08-26 22:03:08,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9714dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:03:08, skipping insertion in model container [2024-08-26 22:03:08,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 10:03:06" (2/4) ... [2024-08-26 22:03:08,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9714dd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 10:03:08, skipping insertion in model container [2024-08-26 22:03:08,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 10:03:07" (3/4) ... [2024-08-26 22:03:08,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9714dd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 10:03:08, skipping insertion in model container [2024-08-26 22:03:08,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:03:08" (4/4) ... [2024-08-26 22:03:08,099 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-08-26 22:03:08,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 22:03:08,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-26 22:03:08,115 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 22:03:08,161 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-26 22:03:08,194 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:08,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 22:03:08,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:08,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 22:03:08,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-26 22:03:08,226 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 22:03:08,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-08-26 22:03:08,240 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5584ad0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:08,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-26 22:03:08,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:08,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash 991283309, now seen corresponding path program 1 times [2024-08-26 22:03:08,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:08,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366289406] [2024-08-26 22:03:08,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:08,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 22:03:08,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:08,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366289406] [2024-08-26 22:03:08,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366289406] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:08,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 22:03:08,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 22:03:08,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649590215] [2024-08-26 22:03:08,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:08,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 22:03:08,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:08,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 22:03:08,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-26 22:03:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:08,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:08,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:08,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:08,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 22:03:08,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:08,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash -876175739, now seen corresponding path program 1 times [2024-08-26 22:03:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:08,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143442189] [2024-08-26 22:03:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:08,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:09,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:09,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143442189] [2024-08-26 22:03:09,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143442189] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:09,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690143159] [2024-08-26 22:03:09,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:09,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:09,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:09,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:09,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-26 22:03:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:09,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-26 22:03:09,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:09,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:09,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690143159] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:09,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:09,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-26 22:03:09,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533849379] [2024-08-26 22:03:09,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:09,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-26 22:03:09,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:09,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-26 22:03:09,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-08-26 22:03:09,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:09,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:09,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:09,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:09,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:09,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:09,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-26 22:03:09,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-26 22:03:09,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:09,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:09,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1504032979, now seen corresponding path program 2 times [2024-08-26 22:03:09,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:09,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121865677] [2024-08-26 22:03:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:09,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:10,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:10,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121865677] [2024-08-26 22:03:10,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121865677] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:10,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294286432] [2024-08-26 22:03:10,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:10,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:10,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:10,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:10,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-26 22:03:10,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-26 22:03:10,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:10,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2024-08-26 22:03:10,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:10,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:10,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294286432] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:10,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:10,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-08-26 22:03:10,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28212444] [2024-08-26 22:03:10,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:10,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 22:03:10,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:10,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 22:03:10,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-08-26 22:03:10,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:10,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:10,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:10,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:10,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:10,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:10,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:10,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:10,932 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:10,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:10,933 INFO L85 PathProgramCache]: Analyzing trace with hash 619646602, now seen corresponding path program 1 times [2024-08-26 22:03:10,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:10,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756417880] [2024-08-26 22:03:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:11,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:11,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756417880] [2024-08-26 22:03:11,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756417880] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:11,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524412178] [2024-08-26 22:03:11,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:11,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:11,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:11,382 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:11,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-26 22:03:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:11,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-26 22:03:11,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:11,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:13,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524412178] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:13,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:13,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 22 [2024-08-26 22:03:13,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365366564] [2024-08-26 22:03:13,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:13,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-26 22:03:13,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:13,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-26 22:03:13,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2024-08-26 22:03:13,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:13,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:13,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:13,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:13,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:13,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:13,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:13,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:14,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:14,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:14,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash -972753376, now seen corresponding path program 1 times [2024-08-26 22:03:14,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:14,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702865001] [2024-08-26 22:03:14,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-26 22:03:14,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:14,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702865001] [2024-08-26 22:03:14,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702865001] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:14,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294094659] [2024-08-26 22:03:14,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:14,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:14,523 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:14,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-26 22:03:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:14,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-26 22:03:14,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-26 22:03:14,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:14,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294094659] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:14,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:14,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-08-26 22:03:14,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688500214] [2024-08-26 22:03:14,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:14,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 22:03:14,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:14,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 22:03:14,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-08-26 22:03:14,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:14,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:14,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:14,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:14,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:14,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:14,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:14,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:15,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:15,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:15,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:15,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:15,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1448202983, now seen corresponding path program 1 times [2024-08-26 22:03:15,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:15,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378233831] [2024-08-26 22:03:15,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:15,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-26 22:03:15,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:15,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378233831] [2024-08-26 22:03:15,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378233831] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:15,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882327060] [2024-08-26 22:03:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:15,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:15,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:15,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-26 22:03:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:15,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-26 22:03:15,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-26 22:03:16,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:16,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882327060] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:16,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:16,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-08-26 22:03:16,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192523640] [2024-08-26 22:03:16,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:16,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 22:03:16,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:16,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 22:03:16,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-08-26 22:03:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:16,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:16,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:16,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:16,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:16,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:16,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:16,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:16,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:16,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:16,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:16,625 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:16,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:16,626 INFO L85 PathProgramCache]: Analyzing trace with hash 925403752, now seen corresponding path program 1 times [2024-08-26 22:03:16,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:16,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664819057] [2024-08-26 22:03:16,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-26 22:03:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:16,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664819057] [2024-08-26 22:03:16,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664819057] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:16,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344243803] [2024-08-26 22:03:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:16,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:16,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:16,878 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:16,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-26 22:03:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:16,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-26 22:03:16,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-26 22:03:17,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-26 22:03:17,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344243803] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:17,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:17,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-08-26 22:03:17,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209591412] [2024-08-26 22:03:17,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:17,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-08-26 22:03:17,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:17,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-08-26 22:03:17,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2024-08-26 22:03:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:17,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:17,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.9545454545454546) internal successors, (43), 21 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:17,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:17,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:17,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-26 22:03:17,558 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:17,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:17,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1931159249, now seen corresponding path program 2 times [2024-08-26 22:03:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:17,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243125368] [2024-08-26 22:03:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:17,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-26 22:03:17,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243125368] [2024-08-26 22:03:17,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243125368] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686568663] [2024-08-26 22:03:17,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:17,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:17,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:17,812 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:17,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-26 22:03:17,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-26 22:03:17,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:17,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-26 22:03:17,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-26 22:03:18,106 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:18,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686568663] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:18,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:18,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 16 [2024-08-26 22:03:18,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769329242] [2024-08-26 22:03:18,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:18,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-26 22:03:18,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:18,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-26 22:03:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-08-26 22:03:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:18,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:18,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:18,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:18,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:18,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:19,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:19,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 22:03:19,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-26 22:03:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:19,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-26 22:03:19,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-26 22:03:19,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:19,502 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-08-26 22:03:19,504 INFO L308 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE (1/4) [2024-08-26 22:03:19,507 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:19,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 22:03:19,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:19,509 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 22:03:19,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2024-08-26 22:03:19,513 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 22:03:19,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 22:03:19,514 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5584ad0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:19,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-26 22:03:19,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-08-26 22:03:19,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-08-26 22:03:19,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-26 22:03:19,551 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-26 22:03:19,551 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2024-08-26 22:03:19,552 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:19,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 22:03:19,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:19,554 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 22:03:19,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-08-26 22:03:19,557 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 22:03:19,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork2 ======== [2024-08-26 22:03:19,557 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5584ad0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:19,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-26 22:03:19,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:19,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:19,609 INFO L85 PathProgramCache]: Analyzing trace with hash -43661205, now seen corresponding path program 1 times [2024-08-26 22:03:19,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:19,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394651091] [2024-08-26 22:03:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 22:03:19,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:19,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394651091] [2024-08-26 22:03:19,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394651091] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:19,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 22:03:19,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 22:03:19,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003552109] [2024-08-26 22:03:19,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:19,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 22:03:19,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:19,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 22:03:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-26 22:03:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:19,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:19,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:19,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:19,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-26 22:03:19,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:19,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:19,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1207614333, now seen corresponding path program 1 times [2024-08-26 22:03:19,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:19,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124187228] [2024-08-26 22:03:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:19,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:19,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124187228] [2024-08-26 22:03:19,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124187228] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:19,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38781819] [2024-08-26 22:03:19,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:19,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:19,887 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:19,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-26 22:03:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:19,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-26 22:03:19,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:20,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:20,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38781819] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:20,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:20,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-08-26 22:03:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179306023] [2024-08-26 22:03:20,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:20,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-26 22:03:20,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:20,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-26 22:03:20,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-08-26 22:03:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:20,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:20,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:20,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:20,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-26 22:03:21,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:21,093 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:21,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:21,094 INFO L85 PathProgramCache]: Analyzing trace with hash -59396969, now seen corresponding path program 1 times [2024-08-26 22:03:21,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181479512] [2024-08-26 22:03:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:21,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:21,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181479512] [2024-08-26 22:03:21,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181479512] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:21,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467830867] [2024-08-26 22:03:21,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:21,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:21,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:21,204 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:21,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-26 22:03:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:21,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-26 22:03:21,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:21,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:21,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467830867] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:21,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:21,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-08-26 22:03:21,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332876119] [2024-08-26 22:03:21,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:21,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-26 22:03:21,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:21,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-26 22:03:21,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-08-26 22:03:21,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:21,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:21,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 15 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:21,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:21,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:21,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:21,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-08-26 22:03:21,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-08-26 22:03:21,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:21,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash -470565234, now seen corresponding path program 2 times [2024-08-26 22:03:21,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:21,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492192902] [2024-08-26 22:03:21,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:21,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:22,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:22,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492192902] [2024-08-26 22:03:22,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492192902] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:22,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406026746] [2024-08-26 22:03:22,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:22,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:22,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:22,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:22,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-26 22:03:22,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-26 22:03:22,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:22,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-26 22:03:22,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:22,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:23,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406026746] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:23,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:23,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 23 [2024-08-26 22:03:23,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546620036] [2024-08-26 22:03:23,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:23,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-26 22:03:23,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:23,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-26 22:03:23,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2024-08-26 22:03:23,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:23,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:23,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:23,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:23,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:23,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:23,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:24,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:24,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:24,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-26 22:03:24,367 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:24,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1636038098, now seen corresponding path program 1 times [2024-08-26 22:03:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:24,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494667370] [2024-08-26 22:03:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:24,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:24,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494667370] [2024-08-26 22:03:24,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494667370] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:24,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658053041] [2024-08-26 22:03:24,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:24,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:24,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:24,491 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:24,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-26 22:03:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:24,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-26 22:03:24,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:24,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:24,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658053041] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:24,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:24,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-08-26 22:03:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597070680] [2024-08-26 22:03:24,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:24,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-26 22:03:24,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:24,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-26 22:03:24,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-08-26 22:03:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:24,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:24,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.0) internal successors, (40), 19 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:24,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-08-26 22:03:25,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:25,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:25,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2081238549, now seen corresponding path program 2 times [2024-08-26 22:03:25,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:25,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908229320] [2024-08-26 22:03:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:25,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:25,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908229320] [2024-08-26 22:03:25,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908229320] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:25,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895183379] [2024-08-26 22:03:25,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:25,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:25,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:25,435 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:25,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-26 22:03:25,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-26 22:03:25,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:25,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 59 conjunts are in the unsatisfiable core [2024-08-26 22:03:25,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:25,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-26 22:03:25,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-08-26 22:03:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:25,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:26,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-26 22:03:26,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 468 treesize of output 224 [2024-08-26 22:03:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:28,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895183379] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:28,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:28,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 31 [2024-08-26 22:03:28,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255783950] [2024-08-26 22:03:28,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:28,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-26 22:03:28,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:28,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-26 22:03:28,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2024-08-26 22:03:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:28,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:28,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 31 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:28,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:29,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:29,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:29,588 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:29,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:29,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1375699129, now seen corresponding path program 1 times [2024-08-26 22:03:29,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:29,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450599829] [2024-08-26 22:03:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:29,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:29,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450599829] [2024-08-26 22:03:29,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450599829] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806752215] [2024-08-26 22:03:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:29,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:29,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:29,753 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:29,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-26 22:03:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:29,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-26 22:03:29,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:29,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:30,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806752215] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:30,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:30,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-08-26 22:03:30,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495512466] [2024-08-26 22:03:30,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:30,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-26 22:03:30,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:30,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-26 22:03:30,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-08-26 22:03:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:30,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:30,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.84) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:30,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:30,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-26 22:03:30,367 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:30,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:30,368 INFO L85 PathProgramCache]: Analyzing trace with hash -672846992, now seen corresponding path program 2 times [2024-08-26 22:03:30,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:30,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815475929] [2024-08-26 22:03:30,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:30,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-26 22:03:30,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:30,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815475929] [2024-08-26 22:03:30,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815475929] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:30,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645338495] [2024-08-26 22:03:30,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:30,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:30,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:30,780 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:30,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-26 22:03:30,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-26 22:03:30,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:30,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-26 22:03:30,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-26 22:03:31,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-26 22:03:31,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645338495] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:31,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:31,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 12] total 25 [2024-08-26 22:03:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725430187] [2024-08-26 22:03:31,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:31,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-26 22:03:31,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-26 22:03:31,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-08-26 22:03:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:31,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:31,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.769230769230769) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:31,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:32,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-08-26 22:03:32,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-26 22:03:32,743 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:32,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1354808014, now seen corresponding path program 1 times [2024-08-26 22:03:32,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731694706] [2024-08-26 22:03:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:32,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:32,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731694706] [2024-08-26 22:03:32,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731694706] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:32,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951569486] [2024-08-26 22:03:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:32,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:32,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:32,935 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:32,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-26 22:03:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:33,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-26 22:03:33,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:33,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:33,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951569486] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:33,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:33,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2024-08-26 22:03:33,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125848040] [2024-08-26 22:03:33,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:33,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-08-26 22:03:33,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:33,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-08-26 22:03:33,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=901, Unknown=0, NotChecked=0, Total=1122 [2024-08-26 22:03:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:33,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:33,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 33 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:33,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:33,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:33,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-08-26 22:03:33,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-26 22:03:33,879 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:33,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1102064907, now seen corresponding path program 2 times [2024-08-26 22:03:33,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:33,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598949416] [2024-08-26 22:03:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-26 22:03:34,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:34,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598949416] [2024-08-26 22:03:34,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598949416] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:34,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969745067] [2024-08-26 22:03:34,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:34,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:34,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:34,363 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:34,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-26 22:03:34,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-26 22:03:34,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:34,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 42 conjunts are in the unsatisfiable core [2024-08-26 22:03:34,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-26 22:03:34,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-26 22:03:35,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969745067] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:35,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:35,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 34 [2024-08-26 22:03:35,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683775086] [2024-08-26 22:03:35,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:35,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-08-26 22:03:35,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:35,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-08-26 22:03:35,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=942, Unknown=0, NotChecked=0, Total=1190 [2024-08-26 22:03:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:35,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:35,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:36,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-08-26 22:03:37,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-26 22:03:37,089 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:37,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1013209767, now seen corresponding path program 1 times [2024-08-26 22:03:37,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:37,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797213526] [2024-08-26 22:03:37,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:37,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:37,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797213526] [2024-08-26 22:03:37,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797213526] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:37,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969658550] [2024-08-26 22:03:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:37,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:37,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:37,306 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:37,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-26 22:03:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:37,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-26 22:03:37,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:37,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-26 22:03:37,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969658550] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:37,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:37,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 39 [2024-08-26 22:03:37,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393494366] [2024-08-26 22:03:37,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:37,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-08-26 22:03:37,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:37,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-08-26 22:03:37,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=1264, Unknown=0, NotChecked=0, Total=1560 [2024-08-26 22:03:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:37,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:37,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.475) internal successors, (59), 39 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:37,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:37,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:37,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:37,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:37,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:37,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:37,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:38,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:38,180 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:38,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash -946426800, now seen corresponding path program 2 times [2024-08-26 22:03:38,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:38,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201293957] [2024-08-26 22:03:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:38,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-26 22:03:38,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:38,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201293957] [2024-08-26 22:03:38,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201293957] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:38,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112223696] [2024-08-26 22:03:38,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:38,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:38,554 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:38,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-26 22:03:38,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-26 22:03:38,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:38,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 37 conjunts are in the unsatisfiable core [2024-08-26 22:03:38,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-26 22:03:38,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-26 22:03:39,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112223696] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:39,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:39,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 29 [2024-08-26 22:03:39,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411526505] [2024-08-26 22:03:39,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:39,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-08-26 22:03:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:39,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-08-26 22:03:39,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=703, Unknown=0, NotChecked=0, Total=930 [2024-08-26 22:03:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:39,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:39,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.466666666666667) internal successors, (74), 30 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:39,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:40,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:40,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:40,521 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:40,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:40,521 INFO L85 PathProgramCache]: Analyzing trace with hash -568937932, now seen corresponding path program 1 times [2024-08-26 22:03:40,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:40,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158412323] [2024-08-26 22:03:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:40,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-08-26 22:03:41,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:41,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158412323] [2024-08-26 22:03:41,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158412323] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:41,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522882317] [2024-08-26 22:03:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:41,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:41,002 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:41,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-26 22:03:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:41,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 43 conjunts are in the unsatisfiable core [2024-08-26 22:03:41,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-08-26 22:03:41,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-08-26 22:03:42,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522882317] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:42,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:42,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2024-08-26 22:03:42,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183583805] [2024-08-26 22:03:42,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:42,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-08-26 22:03:42,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:42,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-08-26 22:03:42,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2024-08-26 22:03:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:42,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:42,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.2) internal successors, (77), 34 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:42,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-26 22:03:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-26 22:03:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-26 22:03:48,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-26 22:03:48,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:48,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-08-26 22:03:48,977 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1] [2024-08-26 22:03:48,977 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE (3/4) [2024-08-26 22:03:48,979 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:48,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 22:03:48,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:48,982 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 22:03:48,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (24)] Waiting until timeout for monitored process [2024-08-26 22:03:48,984 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 22:03:48,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Thread1of1ForFork1 ======== [2024-08-26 22:03:48,984 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5584ad0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 22:03:48,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-26 22:03:49,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:49,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:49,044 INFO L85 PathProgramCache]: Analyzing trace with hash -859451217, now seen corresponding path program 1 times [2024-08-26 22:03:49,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:49,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856178405] [2024-08-26 22:03:49,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:49,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 22:03:49,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:49,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856178405] [2024-08-26 22:03:49,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856178405] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:49,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 22:03:49,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 22:03:49,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135405156] [2024-08-26 22:03:49,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:49,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 22:03:49,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:49,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 22:03:49,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-26 22:03:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:49,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:49,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:49,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:49,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-08-26 22:03:49,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:49,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:49,122 INFO L85 PathProgramCache]: Analyzing trace with hash -191266617, now seen corresponding path program 1 times [2024-08-26 22:03:49,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:49,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130359769] [2024-08-26 22:03:49,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:49,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:49,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:49,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130359769] [2024-08-26 22:03:49,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130359769] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:49,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107025711] [2024-08-26 22:03:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:49,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:49,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:49,187 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:49,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-08-26 22:03:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:49,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-26 22:03:49,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:49,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-26 22:03:49,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107025711] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:49,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:49,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-26 22:03:49,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335537288] [2024-08-26 22:03:49,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:49,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-26 22:03:49,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:49,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-26 22:03:49,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-08-26 22:03:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:49,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:49,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:49,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:49,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:49,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:49,632 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:49,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:49,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2028314479, now seen corresponding path program 2 times [2024-08-26 22:03:49,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:49,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543697605] [2024-08-26 22:03:49,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:49,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:49,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:49,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543697605] [2024-08-26 22:03:49,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543697605] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:49,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106055060] [2024-08-26 22:03:49,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:49,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:49,908 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:49,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-08-26 22:03:49,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-26 22:03:49,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:49,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2024-08-26 22:03:49,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:50,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:50,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106055060] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:50,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:50,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-08-26 22:03:50,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85592431] [2024-08-26 22:03:50,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:50,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 22:03:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:50,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 22:03:50,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-08-26 22:03:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:50,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:50,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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) [2024-08-26 22:03:50,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:50,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:50,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:50,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:50,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:50,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:50,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:50,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-08-26 22:03:50,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:50,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1520041076, now seen corresponding path program 1 times [2024-08-26 22:03:50,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:50,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127707223] [2024-08-26 22:03:50,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:50,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:50,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:50,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127707223] [2024-08-26 22:03:50,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127707223] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:50,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859336993] [2024-08-26 22:03:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:50,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:50,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:50,673 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:50,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-08-26 22:03:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:50,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-26 22:03:50,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:50,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-26 22:03:52,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859336993] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:52,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:52,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 23 [2024-08-26 22:03:52,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691199871] [2024-08-26 22:03:52,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:52,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-26 22:03:52,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:52,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-26 22:03:52,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2024-08-26 22:03:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:52,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:52,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:52,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:52,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:52,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:52,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:52,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-08-26 22:03:52,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-08-26 22:03:52,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:52,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash 761478096, now seen corresponding path program 1 times [2024-08-26 22:03:52,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:52,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121161854] [2024-08-26 22:03:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:52,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 22:03:52,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:52,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121161854] [2024-08-26 22:03:52,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121161854] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:52,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310553773] [2024-08-26 22:03:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:52,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:52,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:52,965 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:52,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-08-26 22:03:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:53,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-26 22:03:53,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 22:03:53,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 22:03:53,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310553773] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:53,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:53,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-08-26 22:03:53,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510246946] [2024-08-26 22:03:53,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:53,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-26 22:03:53,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:53,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-26 22:03:53,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-08-26 22:03:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:53,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:53,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 19 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) [2024-08-26 22:03:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:53,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:53,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-08-26 22:03:53,468 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:53,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:53,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1982051799, now seen corresponding path program 2 times [2024-08-26 22:03:53,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:53,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894309902] [2024-08-26 22:03:53,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:53,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:53,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894309902] [2024-08-26 22:03:53,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894309902] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469132913] [2024-08-26 22:03:53,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:03:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:53,752 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:53,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-08-26 22:03:53,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-26 22:03:53,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:03:53,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-26 22:03:53,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:54,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-26 22:03:54,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2024-08-26 22:03:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-26 22:03:54,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:54,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469132913] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:54,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:54,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 15 [2024-08-26 22:03:54,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557156509] [2024-08-26 22:03:54,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:54,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-26 22:03:54,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:54,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-26 22:03:54,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-08-26 22:03:54,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:54,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:54,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:54,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:54,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:54,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:54,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:54,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:54,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:54,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:54,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:54,461 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:54,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2010217791, now seen corresponding path program 1 times [2024-08-26 22:03:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537394593] [2024-08-26 22:03:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:54,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-26 22:03:54,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:54,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537394593] [2024-08-26 22:03:54,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537394593] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:54,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434317771] [2024-08-26 22:03:54,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:54,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:54,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:54,709 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:54,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-08-26 22:03:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:54,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-26 22:03:54,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-26 22:03:55,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-26 22:03:55,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434317771] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 22:03:55,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-26 22:03:55,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-08-26 22:03:55,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99414636] [2024-08-26 22:03:55,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 22:03:55,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 22:03:55,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 22:03:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-08-26 22:03:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:55,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:55,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:55,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:55,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:55,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-08-26 22:03:55,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-08-26 22:03:55,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:55,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:55,316 INFO L85 PathProgramCache]: Analyzing trace with hash 449305377, now seen corresponding path program 1 times [2024-08-26 22:03:55,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:55,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806735381] [2024-08-26 22:03:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:55,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:55,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806735381] [2024-08-26 22:03:55,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806735381] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891463269] [2024-08-26 22:03:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:55,781 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:55,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-08-26 22:03:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:55,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 33 conjunts are in the unsatisfiable core [2024-08-26 22:03:55,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:56,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-26 22:03:56,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891463269] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:56,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:56,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 31 [2024-08-26 22:03:56,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678592529] [2024-08-26 22:03:56,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:56,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-26 22:03:56,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:56,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-26 22:03:56,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2024-08-26 22:03:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:56,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:56,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:03:57,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-08-26 22:03:57,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-08-26 22:03:57,885 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:03:57,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:03:57,886 INFO L85 PathProgramCache]: Analyzing trace with hash -654116559, now seen corresponding path program 1 times [2024-08-26 22:03:57,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:03:57,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225179735] [2024-08-26 22:03:57,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:57,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:03:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-26 22:03:58,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:03:58,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225179735] [2024-08-26 22:03:58,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225179735] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:03:58,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131944606] [2024-08-26 22:03:58,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:03:58,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:03:58,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:03:58,329 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:03:58,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-08-26 22:03:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:03:58,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 39 conjunts are in the unsatisfiable core [2024-08-26 22:03:58,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:03:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-26 22:03:58,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:03:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-26 22:03:59,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131944606] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:03:59,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:03:59,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 30 [2024-08-26 22:03:59,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409383175] [2024-08-26 22:03:59,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:03:59,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-26 22:03:59,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:03:59,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-26 22:03:59,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2024-08-26 22:03:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:03:59,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:03:59,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.225806451612903) internal successors, (69), 31 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:03:59,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:03:59,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:03:59,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:03:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:03:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:03:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:03:59,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:04:00,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-08-26 22:04:00,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:04:00,880 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:04:00,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:04:00,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1233642509, now seen corresponding path program 1 times [2024-08-26 22:04:00,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:04:00,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418422608] [2024-08-26 22:04:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:04:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:04:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:04:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-26 22:04:01,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:04:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418422608] [2024-08-26 22:04:01,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418422608] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:04:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726046164] [2024-08-26 22:04:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:04:01,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:04:01,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:04:01,116 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:04:01,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-08-26 22:04:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:04:01,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-26 22:04:01,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:04:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-26 22:04:01,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:04:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-26 22:04:01,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726046164] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:04:01,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:04:01,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2024-08-26 22:04:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375058423] [2024-08-26 22:04:01,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:04:01,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-08-26 22:04:01,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:04:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-08-26 22:04:01,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=901, Unknown=0, NotChecked=0, Total=1122 [2024-08-26 22:04:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:01,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:04:01,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.588235294117647) internal successors, (54), 33 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:04:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:04:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:04:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:04:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:04:01,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-08-26 22:04:01,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-08-26 22:04:01,945 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:04:01,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:04:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash 929855866, now seen corresponding path program 2 times [2024-08-26 22:04:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:04:01,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256266618] [2024-08-26 22:04:01,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:04:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:04:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:04:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-26 22:04:02,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:04:02,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256266618] [2024-08-26 22:04:02,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256266618] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:04:02,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817280226] [2024-08-26 22:04:02,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-26 22:04:02,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:04:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:04:02,346 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:04:02,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-08-26 22:04:02,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-26 22:04:02,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-26 22:04:02,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 35 conjunts are in the unsatisfiable core [2024-08-26 22:04:02,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:04:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-26 22:04:02,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:04:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-26 22:04:03,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817280226] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:04:03,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:04:03,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 34 [2024-08-26 22:04:03,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682486252] [2024-08-26 22:04:03,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:04:03,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-08-26 22:04:03,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:04:03,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-08-26 22:04:03,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=931, Unknown=0, NotChecked=0, Total=1190 [2024-08-26 22:04:03,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:03,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:04:03,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:04:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:04:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:03,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:03,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:04:03,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:04:03,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:04:03,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:04:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:04:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:04:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-26 22:04:04,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-08-26 22:04:04,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:04:04,509 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 22:04:04,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 22:04:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1095720502, now seen corresponding path program 1 times [2024-08-26 22:04:04,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 22:04:04,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190572896] [2024-08-26 22:04:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:04:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 22:04:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:04:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-26 22:04:04,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 22:04:04,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190572896] [2024-08-26 22:04:04,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190572896] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-26 22:04:04,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891679375] [2024-08-26 22:04:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 22:04:04,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:04:04,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 22:04:04,937 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-26 22:04:04,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-08-26 22:04:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 22:04:05,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 41 conjunts are in the unsatisfiable core [2024-08-26 22:04:05,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-26 22:04:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-26 22:04:05,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-26 22:04:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-26 22:04:06,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891679375] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-26 22:04:06,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-26 22:04:06,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 30 [2024-08-26 22:04:06,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058552375] [2024-08-26 22:04:06,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-26 22:04:06,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-26 22:04:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 22:04:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-26 22:04:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2024-08-26 22:04:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:06,202 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 22:04:06,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-26 22:04:06,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-26 22:04:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-26 22:04:11,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-08-26 22:04:11,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-26 22:04:11,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-26 22:04:11,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-08-26 22:04:11,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-26 22:04:11,478 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-08-26 22:04:11,479 INFO L308 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork1 was SAFE (4/4) [2024-08-26 22:04:11,479 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 22:04:11,479 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 22:04:11,482 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-08-26 22:04:11,482 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-08-26 22:04:11,484 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 10:04:11 BasicIcfg [2024-08-26 22:04:11,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 22:04:11,484 INFO L158 Benchmark]: Toolchain (without parser) took 64570.80ms. Allocated memory was 146.8MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 69.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 290.6MB. Max. memory is 16.1GB. [2024-08-26 22:04:11,485 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 22:04:11,485 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 22:04:11,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.96ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 69.8MB in the beginning and 157.8MB in the end (delta: -88.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-08-26 22:04:11,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.01ms. Allocated memory is still 195.0MB. Free memory was 157.8MB in the beginning and 154.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 22:04:11,485 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 195.0MB. Free memory was 154.7MB in the beginning and 152.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 22:04:11,486 INFO L158 Benchmark]: RCFGBuilder took 815.08ms. Allocated memory is still 195.0MB. Free memory was 152.6MB in the beginning and 133.9MB in the end (delta: 18.7MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-08-26 22:04:11,486 INFO L158 Benchmark]: TraceAbstraction took 63392.02ms. Allocated memory was 195.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 133.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 303.7MB. Max. memory is 16.1GB. [2024-08-26 22:04:11,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.96ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 69.8MB in the beginning and 157.8MB in the end (delta: -88.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.01ms. Allocated memory is still 195.0MB. Free memory was 157.8MB in the beginning and 154.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 195.0MB. Free memory was 154.7MB in the beginning and 152.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 815.08ms. Allocated memory is still 195.0MB. Free memory was 152.6MB in the beginning and 133.9MB in the end (delta: 18.7MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. * TraceAbstraction took 63392.02ms. Allocated memory was 195.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 133.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 303.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16051, independent: 13633, independent conditional: 12931, independent unconditional: 702, dependent: 2418, dependent conditional: 2408, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13835, independent: 13633, independent conditional: 12931, independent unconditional: 702, dependent: 202, dependent conditional: 192, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13835, independent: 13633, independent conditional: 12931, independent unconditional: 702, dependent: 202, dependent conditional: 192, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15445, independent: 13633, independent conditional: 778, independent unconditional: 12855, dependent: 1812, dependent conditional: 832, dependent unconditional: 980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15445, independent: 13633, independent conditional: 778, independent unconditional: 12855, dependent: 1812, dependent conditional: 832, dependent unconditional: 980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15445, independent: 13633, independent conditional: 778, independent unconditional: 12855, dependent: 1812, dependent conditional: 832, dependent unconditional: 980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 595, independent conditional: 19, independent unconditional: 576, dependent: 64, dependent conditional: 48, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 91, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 64, dependent conditional: 48, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 64, dependent conditional: 48, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, independent: 192, independent conditional: 112, independent unconditional: 80, dependent: 433, dependent conditional: 349, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15445, independent: 13038, independent conditional: 759, independent unconditional: 12279, dependent: 1748, dependent conditional: 784, dependent unconditional: 964, unknown: 659, unknown conditional: 67, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 595, Positive conditional cache size: 19, Positive unconditional cache size: 576, Negative cache size: 64, Negative conditional cache size: 48, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 5, Independence queries for same thread: 2216 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 409, Number of trivial persistent sets: 335, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 712, independent: 702, independent conditional: 0, independent unconditional: 702, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16051, independent: 13633, independent conditional: 12931, independent unconditional: 702, dependent: 2418, dependent conditional: 2408, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13835, independent: 13633, independent conditional: 12931, independent unconditional: 702, dependent: 202, dependent conditional: 192, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13835, independent: 13633, independent conditional: 12931, independent unconditional: 702, dependent: 202, dependent conditional: 192, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15445, independent: 13633, independent conditional: 778, independent unconditional: 12855, dependent: 1812, dependent conditional: 832, dependent unconditional: 980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15445, independent: 13633, independent conditional: 778, independent unconditional: 12855, dependent: 1812, dependent conditional: 832, dependent unconditional: 980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15445, independent: 13633, independent conditional: 778, independent unconditional: 12855, dependent: 1812, dependent conditional: 832, dependent unconditional: 980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 595, independent conditional: 19, independent unconditional: 576, dependent: 64, dependent conditional: 48, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 91, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 64, dependent conditional: 48, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 64, dependent conditional: 48, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 625, independent: 192, independent conditional: 112, independent unconditional: 80, dependent: 433, dependent conditional: 349, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15445, independent: 13038, independent conditional: 759, independent unconditional: 12279, dependent: 1748, dependent conditional: 784, dependent unconditional: 964, unknown: 659, unknown conditional: 67, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 595, Positive conditional cache size: 19, Positive unconditional cache size: 576, Negative cache size: 64, Negative conditional cache size: 48, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 5, Independence queries for same thread: 2216 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 345, independent: 329, independent conditional: 42, independent unconditional: 287, dependent: 16, dependent conditional: 12, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 42, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 42, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 333, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 333, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 287, Positive conditional cache size: 0, Positive unconditional cache size: 287, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 16, Number of trivial persistent sets: 8, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 291, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 345, independent: 329, independent conditional: 42, independent unconditional: 287, dependent: 16, dependent conditional: 12, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 42, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 42, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 333, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 333, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 333, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 287, Positive conditional cache size: 0, Positive unconditional cache size: 287, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 162545, independent: 138799, independent conditional: 138106, independent unconditional: 693, dependent: 23746, dependent conditional: 23736, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139827, independent: 138799, independent conditional: 138106, independent unconditional: 693, dependent: 1028, dependent conditional: 1018, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 139827, independent: 138799, independent conditional: 138106, independent unconditional: 693, dependent: 1028, dependent conditional: 1018, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163552, independent: 138799, independent conditional: 13170, independent unconditional: 125629, dependent: 24753, dependent conditional: 10555, dependent unconditional: 14198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163552, independent: 138799, independent conditional: 13170, independent unconditional: 125629, dependent: 24753, dependent conditional: 10555, dependent unconditional: 14198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163552, independent: 138799, independent conditional: 13170, independent unconditional: 125629, dependent: 24753, dependent conditional: 10555, dependent unconditional: 14198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 770, independent: 627, independent conditional: 67, independent unconditional: 560, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 770, independent: 552, independent conditional: 0, independent unconditional: 552, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 218, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1454, independent: 470, independent conditional: 402, independent unconditional: 67, dependent: 984, dependent conditional: 923, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163552, independent: 138172, independent conditional: 13103, independent unconditional: 125069, dependent: 24610, dependent conditional: 10428, dependent unconditional: 14182, unknown: 770, unknown conditional: 194, unknown unconditional: 576] , Statistics on independence cache: Total cache size (in pairs): 770, Positive cache size: 627, Positive conditional cache size: 67, Positive unconditional cache size: 560, Negative cache size: 143, Negative conditional cache size: 127, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 12, Independence queries for same thread: 22718 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 349, Number of trivial persistent sets: 303, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 703, independent: 693, independent conditional: 0, independent unconditional: 693, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 162545, independent: 138799, independent conditional: 138106, independent unconditional: 693, dependent: 23746, dependent conditional: 23736, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139827, independent: 138799, independent conditional: 138106, independent unconditional: 693, dependent: 1028, dependent conditional: 1018, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 139827, independent: 138799, independent conditional: 138106, independent unconditional: 693, dependent: 1028, dependent conditional: 1018, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163552, independent: 138799, independent conditional: 13170, independent unconditional: 125629, dependent: 24753, dependent conditional: 10555, dependent unconditional: 14198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163552, independent: 138799, independent conditional: 13170, independent unconditional: 125629, dependent: 24753, dependent conditional: 10555, dependent unconditional: 14198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163552, independent: 138799, independent conditional: 13170, independent unconditional: 125629, dependent: 24753, dependent conditional: 10555, dependent unconditional: 14198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 770, independent: 627, independent conditional: 67, independent unconditional: 560, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 770, independent: 552, independent conditional: 0, independent unconditional: 552, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 218, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 143, dependent conditional: 127, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1454, independent: 470, independent conditional: 402, independent unconditional: 67, dependent: 984, dependent conditional: 923, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 163552, independent: 138172, independent conditional: 13103, independent unconditional: 125069, dependent: 24610, dependent conditional: 10428, dependent unconditional: 14182, unknown: 770, unknown conditional: 194, unknown unconditional: 576] , Statistics on independence cache: Total cache size (in pairs): 770, Positive cache size: 627, Positive conditional cache size: 67, Positive unconditional cache size: 560, Negative cache size: 143, Negative conditional cache size: 127, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 12, Independence queries for same thread: 22718 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 135196, independent: 115805, independent conditional: 115150, independent unconditional: 655, dependent: 19391, dependent conditional: 19381, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117700, independent: 115805, independent conditional: 115150, independent unconditional: 655, dependent: 1895, dependent conditional: 1885, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117700, independent: 115805, independent conditional: 115150, independent unconditional: 655, dependent: 1895, dependent conditional: 1885, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141148, independent: 115805, independent conditional: 8371, independent unconditional: 107434, dependent: 25343, dependent conditional: 15077, dependent unconditional: 10266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 141148, independent: 115805, independent conditional: 8371, independent unconditional: 107434, dependent: 25343, dependent conditional: 15077, dependent unconditional: 10266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 141148, independent: 115805, independent conditional: 8371, independent unconditional: 107434, dependent: 25343, dependent conditional: 15077, dependent unconditional: 10266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 742, independent: 620, independent conditional: 67, independent unconditional: 553, dependent: 122, dependent conditional: 106, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 742, independent: 545, independent conditional: 0, independent unconditional: 545, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 197, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 122, dependent conditional: 106, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 197, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 122, dependent conditional: 106, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1293, independent: 426, independent conditional: 376, independent unconditional: 50, dependent: 867, dependent conditional: 804, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 141148, independent: 115185, independent conditional: 8304, independent unconditional: 106881, dependent: 25221, dependent conditional: 14971, dependent unconditional: 10250, unknown: 742, unknown conditional: 173, unknown unconditional: 569] , Statistics on independence cache: Total cache size (in pairs): 742, Positive cache size: 620, Positive conditional cache size: 67, Positive unconditional cache size: 553, Negative cache size: 122, Negative conditional cache size: 106, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 9, Independence queries for same thread: 17496 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 349, Number of trivial persistent sets: 269, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 665, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 135196, independent: 115805, independent conditional: 115150, independent unconditional: 655, dependent: 19391, dependent conditional: 19381, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117700, independent: 115805, independent conditional: 115150, independent unconditional: 655, dependent: 1895, dependent conditional: 1885, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117700, independent: 115805, independent conditional: 115150, independent unconditional: 655, dependent: 1895, dependent conditional: 1885, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 141148, independent: 115805, independent conditional: 8371, independent unconditional: 107434, dependent: 25343, dependent conditional: 15077, dependent unconditional: 10266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 141148, independent: 115805, independent conditional: 8371, independent unconditional: 107434, dependent: 25343, dependent conditional: 15077, dependent unconditional: 10266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 141148, independent: 115805, independent conditional: 8371, independent unconditional: 107434, dependent: 25343, dependent conditional: 15077, dependent unconditional: 10266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 742, independent: 620, independent conditional: 67, independent unconditional: 553, dependent: 122, dependent conditional: 106, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 742, independent: 545, independent conditional: 0, independent unconditional: 545, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 197, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 122, dependent conditional: 106, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 197, independent: 75, independent conditional: 67, independent unconditional: 8, dependent: 122, dependent conditional: 106, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1293, independent: 426, independent conditional: 376, independent unconditional: 50, dependent: 867, dependent conditional: 804, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 141148, independent: 115185, independent conditional: 8304, independent unconditional: 106881, dependent: 25221, dependent conditional: 14971, dependent unconditional: 10250, unknown: 742, unknown conditional: 173, unknown unconditional: 569] , Statistics on independence cache: Total cache size (in pairs): 742, Positive cache size: 620, Positive conditional cache size: 67, Positive unconditional cache size: 553, Negative cache size: 122, Negative conditional cache size: 106, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 9, Independence queries for same thread: 17496 - PositiveResult [Line: 60]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 50]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 70]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 53 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 450 NumberOfCodeBlocks, 419 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 6203 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2054 ConjunctsInSsa, 141 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 246/304 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 53 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 53 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 29.4s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 11.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 254, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 991 ConstructedInterpolants, 0 QuantifiedInterpolants, 19549 SizeOfPredicates, 64 NumberOfNonLiveVariables, 3406 ConjunctsInSsa, 337 ConjunctsInUnsatCore, 37 InterpolantComputations, 1 PerfectInterpolantSequences, 408/840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 53 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 9.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 207, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 622 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 811 ConstructedInterpolants, 0 QuantifiedInterpolants, 15115 SizeOfPredicates, 51 NumberOfNonLiveVariables, 2953 ConjunctsInSsa, 291 ConjunctsInUnsatCore, 31 InterpolantComputations, 4 PerfectInterpolantSequences, 292/551 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 22:04:11,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (24)] Forceful destruction successful, exit code 0 [2024-08-26 22:04:11,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Forceful destruction successful, exit code 0 [2024-08-26 22:04:11,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Forceful destruction successful, exit code 0 [2024-08-26 22:04:12,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-26 22:04:12,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE