./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.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/36-apron_21-traces-cluster-based_true.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/goblint-regression/36-apron_21-traces-cluster-based_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_21-traces-cluster-based_true.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 21:17:37,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:17:37,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:17:37,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:17:37,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:17:37,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:17:37,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:17:37,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:17:37,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:17:37,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:17:37,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:17:37,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:17:37,251 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:17:37,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:17:37,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:17:37,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:17:37,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:17:37,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:17:37,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:17:37,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:17:37,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:17:37,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:17:37,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:17:37,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:17:37,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:17:37,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:17:37,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:17:37,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:17:37,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:17:37,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:17:37,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:37,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:17:37,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:17:37,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:17:37,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:17:37,264 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:17:37,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:17:37,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:17:37,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:17:37,265 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:17:37,265 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:17:37,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:17:37,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:17:37,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:17:37,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:17:37,558 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:17:37,559 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:17:37,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_21-traces-cluster-based_true.yml/witness.yml [2024-09-07 21:17:37,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:17:37,653 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:17:37,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-09-07 21:17:39,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:17:39,339 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:17:39,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-09-07 21:17:39,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e4060b268/180539089ef74caa8e3f101e89843643/FLAG6911a25f3 [2024-09-07 21:17:39,380 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e4060b268/180539089ef74caa8e3f101e89843643 [2024-09-07 21:17:39,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:17:39,384 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:17:39,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:39,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:17:39,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:17:39,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:37" (1/2) ... [2024-09-07 21:17:39,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a63078c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:39, skipping insertion in model container [2024-09-07 21:17:39,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:37" (1/2) ... [2024-09-07 21:17:39,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7de7e1ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:39, skipping insertion in model container [2024-09-07 21:17:39,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:39" (2/2) ... [2024-09-07 21:17:39,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a63078c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:39, skipping insertion in model container [2024-09-07 21:17:39,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:39" (2/2) ... [2024-09-07 21:17:39,457 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:17:39,459 INFO L1541 ArrayList]: Location invariant before [L728-L728] (((((! multithreaded || (B_locked || (-999 <= g && -999 <= h))) && (! multithreaded || (B_locked || ((0LL - (long long )g) + (long long )h >= 0LL && (long long )g - (long long )h >= 0LL)))) && (! multithreaded || -999 <= g)) && (! multithreaded || (A_locked || ((17LL - (long long )g) + (long long )h >= 0LL && (long long )g - (long long )h >= 0LL)))) && (! multithreaded || (A_locked || (-1016 <= h && -999 <= g)))) && (! multithreaded || -1016 <= h) [2024-09-07 21:17:39,459 INFO L1541 ArrayList]: Location invariant before [L730-L730] (((((! multithreaded || (B_locked || (-999 <= g && -999 <= h))) && (! multithreaded || (B_locked || ((0LL - (long long )g) + (long long )h >= 0LL && (long long )g - (long long )h >= 0LL)))) && (! multithreaded || -999 <= g)) && (! multithreaded || (A_locked || ((17LL - (long long )g) + (long long )h >= 0LL && (long long )g - (long long )h >= 0LL)))) && (! multithreaded || (A_locked || (-1016 <= h && -999 <= g)))) && (! multithreaded || -1016 <= h) [2024-09-07 21:17:39,459 INFO L1541 ArrayList]: Location invariant before [L729-L729] (((((! multithreaded || (B_locked || (-999 <= g && -999 <= h))) && (! multithreaded || (B_locked || ((0LL - (long long )g) + (long long )h >= 0LL && (long long )g - (long long )h >= 0LL)))) && (! multithreaded || -999 <= g)) && (! multithreaded || (A_locked || ((17LL - (long long )g) + (long long )h >= 0LL && (long long )g - (long long )h >= 0LL)))) && (! multithreaded || (A_locked || (-1016 <= h && -999 <= g)))) && (! multithreaded || -1016 <= h) [2024-09-07 21:17:39,460 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-07 21:17:39,460 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-07 21:17:39,460 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:17:39,460 INFO L1541 ArrayList]: ghost_update [L689-L689] B_locked = 1; [2024-09-07 21:17:39,460 INFO L1541 ArrayList]: ghost_update [L719-L719] B_locked = 0; [2024-09-07 21:17:39,461 INFO L1541 ArrayList]: ghost_update [L707-L707] A_locked = 0; [2024-09-07 21:17:39,461 INFO L1541 ArrayList]: ghost_update [L704-L704] A_locked = 1; [2024-09-07 21:17:39,461 INFO L1541 ArrayList]: ghost_update [L727-L727] multithreaded = 1; [2024-09-07 21:17:39,462 INFO L1541 ArrayList]: ghost_update [L693-L693] A_locked = 0; [2024-09-07 21:17:39,462 INFO L1541 ArrayList]: ghost_update [L733-L733] B_locked = 1; [2024-09-07 21:17:39,462 INFO L1541 ArrayList]: ghost_update [L714-L714] B_locked = 1; [2024-09-07 21:17:39,462 INFO L1541 ArrayList]: ghost_update [L715-L715] A_locked = 1; [2024-09-07 21:17:39,462 INFO L1541 ArrayList]: ghost_update [L697-L697] B_locked = 0; [2024-09-07 21:17:39,462 INFO L1541 ArrayList]: ghost_update [L690-L690] A_locked = 1; [2024-09-07 21:17:39,463 INFO L1541 ArrayList]: ghost_update [L718-L718] A_locked = 0; [2024-09-07 21:17:39,463 INFO L1541 ArrayList]: ghost_update [L694-L694] A_locked = 1; [2024-09-07 21:17:39,463 INFO L1541 ArrayList]: ghost_update [L696-L696] A_locked = 0; [2024-09-07 21:17:39,463 INFO L1541 ArrayList]: ghost_update [L730-L730] A_locked = 1; [2024-09-07 21:17:39,463 INFO L1541 ArrayList]: ghost_update [L735-L735] B_locked = 0; [2024-09-07 21:17:39,463 INFO L1541 ArrayList]: ghost_update [L736-L736] A_locked = 0; [2024-09-07 21:17:39,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:17:39,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:39,867 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:17:39,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:40,021 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:17:40,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40 WrapperNode [2024-09-07 21:17:40,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:40,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:40,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:17:40,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:17:40,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,073 INFO L138 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 166 [2024-09-07 21:17:40,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:40,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:17:40,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:17:40,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:17:40,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:17:40,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:17:40,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:17:40,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:17:40,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:40,153 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 21:17:40,155 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 21:17:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-09-07 21:17:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-09-07 21:17:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-07 21:17:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:17:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-09-07 21:17:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-09-07 21:17:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-07 21:17:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-07 21:17:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:17:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-07 21:17:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:17:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:17:40,197 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 21:17:40,324 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:17:40,326 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:17:40,720 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:17:40,720 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:17:40,925 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:17:40,926 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-07 21:17:40,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:40 BoogieIcfgContainer [2024-09-07 21:17:40,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:17:40,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:17:40,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:17:40,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:17:40,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:37" (1/4) ... [2024-09-07 21:17:40,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19188210 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:17:40, skipping insertion in model container [2024-09-07 21:17:40,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:17:39" (2/4) ... [2024-09-07 21:17:40,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19188210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:40, skipping insertion in model container [2024-09-07 21:17:40,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (3/4) ... [2024-09-07 21:17:40,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19188210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:40, skipping insertion in model container [2024-09-07 21:17:40,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:40" (4/4) ... [2024-09-07 21:17:40,937 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-09-07 21:17:40,955 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:17:40,956 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-07 21:17:40,956 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:17:41,010 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-07 21:17:41,067 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:41,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:17:41,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:41,072 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 21:17:41,074 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 21:17:41,114 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:17:41,129 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:17:41,135 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;@4745d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:41,139 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-07 21:17:41,431 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 21:17:41,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:41,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1076734306, now seen corresponding path program 1 times [2024-09-07 21:17:41,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:41,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013663235] [2024-09-07 21:17:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:41,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:42,098 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 21:17:42,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:42,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013663235] [2024-09-07 21:17:42,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013663235] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:42,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:42,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 21:17:42,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481906140] [2024-09-07 21:17:42,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:42,107 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:17:42,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:42,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:17:42,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-07 21:17:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:42,134 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:42,135 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:17:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:42,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:42,889 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:17:42,889 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:42,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1129947179, now seen corresponding path program 1 times [2024-09-07 21:17:42,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:42,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87289654] [2024-09-07 21:17:42,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:42,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:43,044 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 21:17:43,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:43,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87289654] [2024-09-07 21:17:43,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87289654] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:43,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:43,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-07 21:17:43,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122514902] [2024-09-07 21:17:43,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:43,047 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:17:43,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:43,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:17:43,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-07 21:17:43,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:43,049 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:43,049 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:17:43,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,422 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-07 21:17:43,422 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:43,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:43,423 INFO L85 PathProgramCache]: Analyzing trace with hash 995148425, now seen corresponding path program 1 times [2024-09-07 21:17:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352288378] [2024-09-07 21:17:43,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:43,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:43,536 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 21:17:43,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:43,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352288378] [2024-09-07 21:17:43,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352288378] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:43,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:43,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-07 21:17:43,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319244553] [2024-09-07 21:17:43,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:43,538 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:43,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:43,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:43,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:43,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:43,539 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:43,539 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 21:17:43,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:43,740 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-07 21:17:43,741 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:43,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:43,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1210477326, now seen corresponding path program 1 times [2024-09-07 21:17:43,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:43,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828194995] [2024-09-07 21:17:43,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:43,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:43,910 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 21:17:43,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:43,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828194995] [2024-09-07 21:17:43,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828194995] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:43,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:43,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 21:17:43,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927612970] [2024-09-07 21:17:43,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:43,913 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:17:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:43,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:17:43,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-07 21:17:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:43,914 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:43,914 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 21:17:43,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:43,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:43,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:44,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:44,250 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-07 21:17:44,250 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 21:17:44,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:44,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1216472781, now seen corresponding path program 1 times [2024-09-07 21:17:44,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:44,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498337921] [2024-09-07 21:17:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:44,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:44,355 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 21:17:44,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:44,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498337921] [2024-09-07 21:17:44,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498337921] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:44,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:44,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 21:17:44,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699206942] [2024-09-07 21:17:44,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:44,357 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-07 21:17:44,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:44,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-07 21:17:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-07 21:17:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:44,359 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:44,359 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:17:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:44,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:44,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:44,575 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-07 21:17:44,576 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 21:17:44,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2117442291, now seen corresponding path program 1 times [2024-09-07 21:17:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:44,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321185490] [2024-09-07 21:17:44,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:44,867 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 21:17:44,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:44,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321185490] [2024-09-07 21:17:44,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321185490] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:44,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:44,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-07 21:17:44,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917016775] [2024-09-07 21:17:44,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:44,870 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-07 21:17:44,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:44,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-07 21:17:44,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-07 21:17:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:44,872 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:44,873 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:17:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:44,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:45,543 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-07 21:17:45,544 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-07 21:17:45,544 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-07 21:17:45,545 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-07 21:17:45,545 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-07 21:17:45,545 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-07 21:17:45,545 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-07 21:17:45,556 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-09-07 21:17:45,559 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:17:45,560 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:17:45,562 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-07 21:17:45,565 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-07 21:17:45,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:17:45 BasicIcfg [2024-09-07 21:17:45,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:17:45,567 INFO L158 Benchmark]: Toolchain (without parser) took 6183.51ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 83.5MB in the beginning and 66.7MB in the end (delta: 16.9MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2024-09-07 21:17:45,568 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:45,568 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:45,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.27ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 53.7MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-07 21:17:45,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.93ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 51.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-07 21:17:45,569 INFO L158 Benchmark]: Boogie Preprocessor took 44.62ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 49.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:45,569 INFO L158 Benchmark]: RCFGBuilder took 806.46ms. Allocated memory is still 142.6MB. Free memory was 49.5MB in the beginning and 70.9MB in the end (delta: -21.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-09-07 21:17:45,570 INFO L158 Benchmark]: TraceAbstraction took 4637.96ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 70.2MB in the beginning and 66.7MB in the end (delta: 3.6MB). Peak memory consumption was 97.4MB. Max. memory is 16.1GB. [2024-09-07 21:17:45,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.27ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 53.7MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.93ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 51.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.62ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 49.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 806.46ms. Allocated memory is still 142.6MB. Free memory was 49.5MB in the beginning and 70.9MB in the end (delta: -21.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4637.96ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 70.2MB in the beginning and 66.7MB in the end (delta: 3.6MB). Peak memory consumption was 97.4MB. 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: 22523, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 844, dependent conditional: 727, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22156, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 477, dependent conditional: 360, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22156, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 477, dependent conditional: 360, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23514, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 1835, dependent conditional: 1718, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23514, independent: 21679, independent conditional: 205, independent unconditional: 21474, dependent: 1835, dependent conditional: 347, dependent unconditional: 1488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23514, independent: 21679, independent conditional: 205, independent unconditional: 21474, dependent: 1835, dependent conditional: 347, dependent unconditional: 1488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1520, independent: 1325, independent conditional: 26, independent unconditional: 1299, dependent: 195, dependent conditional: 74, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1520, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 299, dependent conditional: 0, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 299, independent: 104, independent conditional: 26, independent unconditional: 78, dependent: 195, dependent conditional: 74, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 299, independent: 104, independent conditional: 26, independent unconditional: 78, dependent: 195, dependent conditional: 74, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 923, independent: 334, independent conditional: 78, independent unconditional: 257, dependent: 588, dependent conditional: 203, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23514, independent: 20354, independent conditional: 179, independent unconditional: 20175, dependent: 1640, dependent conditional: 273, dependent unconditional: 1367, unknown: 1520, unknown conditional: 100, unknown unconditional: 1420] , Statistics on independence cache: Total cache size (in pairs): 1520, Positive cache size: 1325, Positive conditional cache size: 26, Positive unconditional cache size: 1299, Negative cache size: 195, Negative conditional cache size: 74, Negative unconditional cache size: 121, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21553, Maximal queried relation: 6, Independence queries for same thread: 367, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 1815, Number of trivial persistent sets: 1815, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1409, independent: 1292, independent conditional: 0, independent unconditional: 1292, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22523, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 844, dependent conditional: 727, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22156, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 477, dependent conditional: 360, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22156, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 477, dependent conditional: 360, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23514, independent: 21679, independent conditional: 20387, independent unconditional: 1292, dependent: 1835, dependent conditional: 1718, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23514, independent: 21679, independent conditional: 205, independent unconditional: 21474, dependent: 1835, dependent conditional: 347, dependent unconditional: 1488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23514, independent: 21679, independent conditional: 205, independent unconditional: 21474, dependent: 1835, dependent conditional: 347, dependent unconditional: 1488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1520, independent: 1325, independent conditional: 26, independent unconditional: 1299, dependent: 195, dependent conditional: 74, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1520, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 299, dependent conditional: 0, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 299, independent: 104, independent conditional: 26, independent unconditional: 78, dependent: 195, dependent conditional: 74, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 299, independent: 104, independent conditional: 26, independent unconditional: 78, dependent: 195, dependent conditional: 74, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 923, independent: 334, independent conditional: 78, independent unconditional: 257, dependent: 588, dependent conditional: 203, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23514, independent: 20354, independent conditional: 179, independent unconditional: 20175, dependent: 1640, dependent conditional: 273, dependent unconditional: 1367, unknown: 1520, unknown conditional: 100, unknown unconditional: 1420] , Statistics on independence cache: Total cache size (in pairs): 1520, Positive cache size: 1325, Positive conditional cache size: 26, Positive unconditional cache size: 1299, Negative cache size: 195, Negative conditional cache size: 74, Negative unconditional cache size: 121, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21553, Maximal queried relation: 6, Independence queries for same thread: 367 - PositiveResult [Line: 728]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 729]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 730]: 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, 92 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 1.2s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 21:17:45,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:17:45,803 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