./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:15:18,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:15:19,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:15:19,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:15:19,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:15:19,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:15:19,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:15:19,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:15:19,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:15:19,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:15:19,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:15:19,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:15:19,081 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:15:19,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:15:19,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:15:19,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:15:19,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:15:19,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:15:19,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:15:19,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:15:19,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:15:19,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:15:19,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:15:19,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:15:19,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:15:19,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:15:19,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:15:19,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:15:19,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:15:19,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:15:19,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:15:19,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:15:19,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:15:19,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:15:19,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:15:19,092 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:15:19,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:15:19,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:15:19,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:15:19,093 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:15:19,093 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:15:19,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:15:19,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:15:19,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:15:19,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:15:19,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:15:19,354 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:15:19,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-09-07 21:15:20,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:15:21,028 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:15:21,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-09-07 21:15:21,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/735b5206d/dff59bacbc4042e19d53ae891cb0ce50/FLAG1cabf35b6 [2024-09-07 21:15:21,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/735b5206d/dff59bacbc4042e19d53ae891cb0ce50 [2024-09-07 21:15:21,061 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:15:21,061 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:15:21,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-09-07 21:15:21,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:15:21,162 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:15:21,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:15:21,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:15:21,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:15:21,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:15:21" (1/2) ... [2024-09-07 21:15:21,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72fbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:21, skipping insertion in model container [2024-09-07 21:15:21,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:15:21" (1/2) ... [2024-09-07 21:15:21,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d5c8a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:21, skipping insertion in model container [2024-09-07 21:15:21,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:15:21" (2/2) ... [2024-09-07 21:15:21,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72fbb7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21, skipping insertion in model container [2024-09-07 21:15:21,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:15:21" (2/2) ... [2024-09-07 21:15:21,217 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:15:21,217 INFO L1541 ArrayList]: Location invariant before [L781-L781] (((((((! multithreaded || ((y == 0 || y == 1) || y == 2)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2))) && (! multithreaded || (((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL && (1LL - (long long )__unbuffered_p1_EAX) + (long long )__unbuffered_p2_EAX >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EAX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EAX >= 0LL) && (2LL - (long long )__unbuffered_p1_EAX) - (long long )x >= 0LL))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (((((0 <= __unbuffered_cnt && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-09-07 21:15:21,218 INFO L1541 ArrayList]: Location invariant before [L784-L784] (((((((! multithreaded || ((y == 0 || y == 1) || y == 2)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2))) && (! multithreaded || (((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL && (1LL - (long long )__unbuffered_p1_EAX) + (long long )__unbuffered_p2_EAX >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EAX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EAX >= 0LL) && (2LL - (long long )__unbuffered_p1_EAX) - (long long )x >= 0LL))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (((((0 <= __unbuffered_cnt && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-09-07 21:15:21,218 INFO L1541 ArrayList]: Location invariant before [L783-L783] (((((((! multithreaded || ((y == 0 || y == 1) || y == 2)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2))) && (! multithreaded || (((((((0LL - (long long )__unbuffered_p1_EAX) + (long long )x >= 0LL && (1LL - (long long )__unbuffered_p1_EAX) + (long long )__unbuffered_p2_EAX >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EAX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EAX >= 0LL) && (2LL - (long long )__unbuffered_p1_EAX) - (long long )x >= 0LL))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (((((0 <= __unbuffered_cnt && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-09-07 21:15:21,218 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:15:21,218 INFO L1541 ArrayList]: ghost_update [L779-L779] multithreaded = 1; [2024-09-07 21:15:21,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:15:21,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:15:21,599 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:15:21,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:15:21,739 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:15:21,741 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21 WrapperNode [2024-09-07 21:15:21,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:15:21,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:15:21,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:15:21,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:15:21,750 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 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,767 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 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,804 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-09-07 21:15:21,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:15:21,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:15:21,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:15:21,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:15:21,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:15:21,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:15:21,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:15:21,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:15:21,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (1/1) ... [2024-09-07 21:15:21,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:15:21,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:15:21,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:15:21,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:15:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:15:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:15:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-07 21:15:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-07 21:15:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-07 21:15:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-07 21:15:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-09-07 21:15:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-09-07 21:15:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:15:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:15:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:15:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:15:21,947 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:15:22,099 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:15:22,103 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:15:22,374 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:15:22,374 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:15:22,497 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:15:22,497 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-07 21:15:22,497 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:15:22 BoogieIcfgContainer [2024-09-07 21:15:22,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:15:22,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:15:22,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:15:22,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:15:22,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:15:21" (1/4) ... [2024-09-07 21:15:22,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cc2cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:15:22, skipping insertion in model container [2024-09-07 21:15:22,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:15:21" (2/4) ... [2024-09-07 21:15:22,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cc2cea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:15:22, skipping insertion in model container [2024-09-07 21:15:22,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:21" (3/4) ... [2024-09-07 21:15:22,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cc2cea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:15:22, skipping insertion in model container [2024-09-07 21:15:22,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:15:22" (4/4) ... [2024-09-07 21:15:22,530 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-09-07 21:15:22,547 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:15:22,547 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-07 21:15:22,547 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:15:22,607 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-07 21:15:22,660 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:15:22,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:15:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:15:22,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:15:22,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:15:22,699 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:15:22,712 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:15:22,718 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b0698a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:15:22,719 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-07 21:15:22,868 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:22,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:22,874 INFO L85 PathProgramCache]: Analyzing trace with hash 227478362, now seen corresponding path program 1 times [2024-09-07 21:15:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:22,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813603911] [2024-09-07 21:15:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813603911] [2024-09-07 21:15:23,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813603911] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:23,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:23,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-07 21:15:23,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384650949] [2024-09-07 21:15:23,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:23,390 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:15:23,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:23,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:15:23,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:15:23,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:23,418 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:23,419 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:23,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:23,573 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:15:23,574 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:23,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash -612111827, now seen corresponding path program 1 times [2024-09-07 21:15:23,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:23,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568421397] [2024-09-07 21:15:23,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:23,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:23,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:23,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568421397] [2024-09-07 21:15:23,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568421397] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:23,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:23,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 21:15:23,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555776104] [2024-09-07 21:15:23,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:23,995 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:15:23,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:23,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:15:23,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-09-07 21:15:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:23,996 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:23,997 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:23,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:24,203 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-07 21:15:24,204 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:24,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:24,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1656525901, now seen corresponding path program 1 times [2024-09-07 21:15:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93832729] [2024-09-07 21:15:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:24,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:24,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93832729] [2024-09-07 21:15:24,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93832729] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:24,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:24,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-07 21:15:24,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971599971] [2024-09-07 21:15:24,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:24,928 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-07 21:15:24,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:24,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-07 21:15:24,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-09-07 21:15:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:24,931 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:24,931 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:24,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:24,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:25,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-07 21:15:25,411 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:25,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:25,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2109288143, now seen corresponding path program 1 times [2024-09-07 21:15:25,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:25,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241091797] [2024-09-07 21:15:25,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:25,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:26,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:26,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241091797] [2024-09-07 21:15:26,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241091797] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:26,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:26,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-07 21:15:26,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755505285] [2024-09-07 21:15:26,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:26,042 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-07 21:15:26,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:26,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-07 21:15:26,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-09-07 21:15:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:26,044 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:26,044 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:26,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:26,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:26,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:26,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:26,404 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-07 21:15:26,405 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:26,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:26,405 INFO L85 PathProgramCache]: Analyzing trace with hash 735625810, now seen corresponding path program 1 times [2024-09-07 21:15:26,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:26,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948389236] [2024-09-07 21:15:26,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:26,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:26,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948389236] [2024-09-07 21:15:26,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948389236] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:26,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:26,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-07 21:15:26,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234742205] [2024-09-07 21:15:26,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:26,789 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-07 21:15:26,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:26,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-07 21:15:26,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-09-07 21:15:26,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:26,791 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:26,791 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:26,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:26,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:26,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:26,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:26,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:27,128 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-07 21:15:27,129 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:27,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:27,129 INFO L85 PathProgramCache]: Analyzing trace with hash 823020339, now seen corresponding path program 2 times [2024-09-07 21:15:27,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:27,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696582184] [2024-09-07 21:15:27,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:27,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:27,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696582184] [2024-09-07 21:15:27,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696582184] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:27,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:27,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-07 21:15:27,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445018141] [2024-09-07 21:15:27,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:27,538 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-07 21:15:27,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:27,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-07 21:15:27,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-09-07 21:15:27,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:27,539 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:27,540 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:27,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:27,768 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-07 21:15:27,769 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:27,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:27,770 INFO L85 PathProgramCache]: Analyzing trace with hash 22639473, now seen corresponding path program 1 times [2024-09-07 21:15:27,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:27,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609611288] [2024-09-07 21:15:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:28,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:28,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609611288] [2024-09-07 21:15:28,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609611288] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:28,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:28,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-07 21:15:28,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869506716] [2024-09-07 21:15:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:28,185 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-07 21:15:28,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:28,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-07 21:15:28,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-07 21:15:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:28,186 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:28,186 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:28,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:28,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:28,367 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-07 21:15:28,368 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:28,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:28,368 INFO L85 PathProgramCache]: Analyzing trace with hash 400691730, now seen corresponding path program 2 times [2024-09-07 21:15:28,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:28,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341129482] [2024-09-07 21:15:28,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:28,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:28,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:28,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341129482] [2024-09-07 21:15:28,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341129482] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:28,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:28,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-07 21:15:28,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589829146] [2024-09-07 21:15:28,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:28,699 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-07 21:15:28,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:28,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-07 21:15:28,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-07 21:15:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:28,700 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:28,700 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:28,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:28,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:28,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:28,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:28,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:28,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:29,274 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-07 21:15:29,274 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:29,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:29,275 INFO L85 PathProgramCache]: Analyzing trace with hash 300436063, now seen corresponding path program 2 times [2024-09-07 21:15:29,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:29,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158421600] [2024-09-07 21:15:29,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:29,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:29,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:29,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158421600] [2024-09-07 21:15:29,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158421600] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:29,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:29,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-07 21:15:29,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659419366] [2024-09-07 21:15:29,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:29,722 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-07 21:15:29,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:29,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-07 21:15:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-09-07 21:15:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:29,723 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:29,723 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:29,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:29,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:29,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:30,109 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-07 21:15:30,110 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:30,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash -862112171, now seen corresponding path program 1 times [2024-09-07 21:15:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:30,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922881245] [2024-09-07 21:15:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:30,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:30,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922881245] [2024-09-07 21:15:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922881245] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:30,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-07 21:15:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107208652] [2024-09-07 21:15:30,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:30,460 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-07 21:15:30,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:30,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-07 21:15:30,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-09-07 21:15:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:30,461 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:30,461 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:30,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:30,729 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-07 21:15:30,729 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:30,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:30,729 INFO L85 PathProgramCache]: Analyzing trace with hash -775678496, now seen corresponding path program 1 times [2024-09-07 21:15:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:30,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805664864] [2024-09-07 21:15:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:31,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:31,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805664864] [2024-09-07 21:15:31,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805664864] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:31,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:31,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-07 21:15:31,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061175416] [2024-09-07 21:15:31,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:31,094 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-07 21:15:31,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:31,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-07 21:15:31,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-09-07 21:15:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:31,096 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:31,096 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:31,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:31,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:31,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:31,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:31,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:31,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:31,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:31,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:31,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:31,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:31,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:31,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:15:31,525 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-07 21:15:31,525 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:15:31,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1711177268, now seen corresponding path program 1 times [2024-09-07 21:15:31,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:31,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040231361] [2024-09-07 21:15:31,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:31,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:31,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:31,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040231361] [2024-09-07 21:15:31,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040231361] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:31,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:31,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-07 21:15:31,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935751278] [2024-09-07 21:15:31,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:31,795 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-07 21:15:31,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:31,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-07 21:15:31,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-09-07 21:15:31,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:31,796 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:31,796 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:15:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:31,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:15:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:15:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-07 21:15:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:15:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:15:32,123 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-07 21:15:32,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-07 21:15:32,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-07 21:15:32,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-07 21:15:32,125 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-07 21:15:32,125 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-07 21:15:32,125 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-07 21:15:32,144 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-09-07 21:15:32,147 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:15:32,147 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:15:32,149 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-07 21:15:32,149 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-07 21:15:32,150 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:15:32 BasicIcfg [2024-09-07 21:15:32,150 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:15:32,151 INFO L158 Benchmark]: Toolchain (without parser) took 10992.84ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 144.1MB in the beginning and 267.7MB in the end (delta: -123.6MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. [2024-09-07 21:15:32,151 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:15:32,151 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:15:32,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.11ms. Allocated memory is still 178.3MB. Free memory was 144.1MB in the beginning and 116.0MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-07 21:15:32,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.20ms. Allocated memory is still 178.3MB. Free memory was 116.0MB in the beginning and 113.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:15:32,152 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:15:32,152 INFO L158 Benchmark]: RCFGBuilder took 648.67ms. Allocated memory is still 178.3MB. Free memory was 111.9MB in the beginning and 137.3MB in the end (delta: -25.4MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-09-07 21:15:32,153 INFO L158 Benchmark]: TraceAbstraction took 9648.24ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 136.2MB in the beginning and 267.7MB in the end (delta: -131.5MB). Peak memory consumption was 175.8MB. Max. memory is 16.1GB. [2024-09-07 21:15:32,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.11ms. Allocated memory is still 178.3MB. Free memory was 144.1MB in the beginning and 116.0MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.20ms. Allocated memory is still 178.3MB. Free memory was 116.0MB in the beginning and 113.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.67ms. Allocated memory is still 178.3MB. Free memory was 111.9MB in the beginning and 137.3MB in the end (delta: -25.4MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9648.24ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 136.2MB in the beginning and 267.7MB in the end (delta: -131.5MB). Peak memory consumption was 175.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27488, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 661, dependent conditional: 610, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27402, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 575, dependent conditional: 524, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27402, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 575, dependent conditional: 524, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34454, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 7627, dependent conditional: 7576, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34454, independent: 26827, independent conditional: 2592, independent unconditional: 24235, dependent: 7627, dependent conditional: 3185, dependent unconditional: 4442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34454, independent: 26827, independent conditional: 2592, independent unconditional: 24235, dependent: 7627, dependent conditional: 3185, dependent unconditional: 4442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 889, independent: 741, independent conditional: 116, independent unconditional: 625, dependent: 148, dependent conditional: 97, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 889, independent: 593, independent conditional: 0, independent unconditional: 593, dependent: 296, dependent conditional: 0, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 296, independent: 148, independent conditional: 116, independent unconditional: 32, dependent: 148, dependent conditional: 97, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 296, independent: 148, independent conditional: 116, independent unconditional: 32, dependent: 148, dependent conditional: 97, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1161, independent: 658, independent conditional: 449, independent unconditional: 209, dependent: 502, dependent conditional: 264, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34454, independent: 26086, independent conditional: 2476, independent unconditional: 23610, dependent: 7479, dependent conditional: 3088, dependent unconditional: 4391, unknown: 889, unknown conditional: 213, unknown unconditional: 676] , Statistics on independence cache: Total cache size (in pairs): 889, Positive cache size: 741, Positive conditional cache size: 116, Positive unconditional cache size: 625, Negative cache size: 148, Negative conditional cache size: 97, Negative unconditional cache size: 51, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28004, Maximal queried relation: 12, Independence queries for same thread: 86, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 568, Number of trivial persistent sets: 348, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 673, independent: 622, independent conditional: 0, independent unconditional: 622, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27488, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 661, dependent conditional: 610, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27402, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 575, dependent conditional: 524, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27402, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 575, dependent conditional: 524, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34454, independent: 26827, independent conditional: 26205, independent unconditional: 622, dependent: 7627, dependent conditional: 7576, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34454, independent: 26827, independent conditional: 2592, independent unconditional: 24235, dependent: 7627, dependent conditional: 3185, dependent unconditional: 4442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34454, independent: 26827, independent conditional: 2592, independent unconditional: 24235, dependent: 7627, dependent conditional: 3185, dependent unconditional: 4442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 889, independent: 741, independent conditional: 116, independent unconditional: 625, dependent: 148, dependent conditional: 97, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 889, independent: 593, independent conditional: 0, independent unconditional: 593, dependent: 296, dependent conditional: 0, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 296, independent: 148, independent conditional: 116, independent unconditional: 32, dependent: 148, dependent conditional: 97, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 296, independent: 148, independent conditional: 116, independent unconditional: 32, dependent: 148, dependent conditional: 97, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1161, independent: 658, independent conditional: 449, independent unconditional: 209, dependent: 502, dependent conditional: 264, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34454, independent: 26086, independent conditional: 2476, independent unconditional: 23610, dependent: 7479, dependent conditional: 3088, dependent unconditional: 4391, unknown: 889, unknown conditional: 213, unknown unconditional: 676] , Statistics on independence cache: Total cache size (in pairs): 889, Positive cache size: 741, Positive conditional cache size: 116, Positive unconditional cache size: 625, Negative cache size: 148, Negative conditional cache size: 97, Negative unconditional cache size: 51, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28004, Maximal queried relation: 12, Independence queries for same thread: 86 - PositiveResult [Line: 781]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 783]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 784]: 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 67 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.1s, 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: 101, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 3936 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 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! [2024-09-07 21:15:32,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-07 21:15:32,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE