./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.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/protection-ghost/rfi002_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/rfi002_tso.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/rfi002_tso.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-dev-e94c40d-m [2024-09-23 11:31:05,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:31:05,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:31:05,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:31:05,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:31:05,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:31:05,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:31:05,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:31:05,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:31:05,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:31:05,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:31:05,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:31:05,417 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:31:05,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:31:05,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:31:05,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:31:05,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:31:05,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:31:05,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:31:05,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:31:05,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:31:05,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:31:05,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:31:05,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:31:05,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:31:05,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:31:05,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:31:05,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:31:05,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:31:05,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:31:05,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:31:05,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:31:05,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:31:05,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:31:05,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:31:05,429 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:31:05,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:31:05,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:31:05,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:31:05,430 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:31:05,430 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:31:05,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 11:31:05,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:31:05,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:31:05,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:31:05,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:31:05,679 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:31:05,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2024-09-23 11:31:07,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:31:07,293 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:31:07,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2024-09-23 11:31:07,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b0e3ca410/3868d7e5660f4191b275fd4b50307b12/FLAG62d4bc55b [2024-09-23 11:31:07,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b0e3ca410/3868d7e5660f4191b275fd4b50307b12 [2024-09-23 11:31:07,324 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:31:07,325 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:31:07,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/rfi002_tso.yml/witness.yml [2024-09-23 11:31:07,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:31:07,433 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:31:07,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:31:07,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:31:07,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:31:07,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:31:07" (1/2) ... [2024-09-23 11:31:07,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35723fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:31:07, skipping insertion in model container [2024-09-23 11:31:07,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:31:07" (1/2) ... [2024-09-23 11:31:07,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7363bb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:31:07, skipping insertion in model container [2024-09-23 11:31:07,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:31:07" (2/2) ... [2024-09-23 11:31:07,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35723fac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:07, skipping insertion in model container [2024-09-23 11:31:07,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:31:07" (2/2) ... [2024-09-23 11:31:07,568 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:31:07,569 INFO L1541 ArrayList]: Location invariant before [L879-L879] (((((((((((((((((((((((((! multithreaded || x$r_buff1_thd0 == (_Bool)0) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 1))) && (! multithreaded || x$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || (x$w_buff0 == 0 || x$w_buff0 == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || x$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2))) && (! multithreaded || y$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || x$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || x$flush_delayed == (_Bool)0)) && (! multithreaded || ((x$mem_tmp == 0 || x$mem_tmp == 1) || x$mem_tmp == 2))) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 1))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || x$read_delayed_var == 0)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || (x$w_buff1 == 0 || x$w_buff1 == 2))) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || (y$mem_tmp == 0 || y$mem_tmp == 1)) [2024-09-23 11:31:07,569 INFO L1541 ArrayList]: Location invariant before [L880-L880] (((((((((((((((((((((((((! multithreaded || x$r_buff1_thd0 == (_Bool)0) && (! multithreaded || y$read_delayed == (_Bool)0)) && (! multithreaded || (y$w_buff1 == 0 || y$w_buff1 == 1))) && (! multithreaded || x$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || (x$w_buff0 == 0 || x$w_buff0 == 2))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || x$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2))) && (! multithreaded || y$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || x$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || x$flush_delayed == (_Bool)0)) && (! multithreaded || ((x$mem_tmp == 0 || x$mem_tmp == 1) || x$mem_tmp == 2))) && (! multithreaded || y$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || y$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || y$flush_delayed == (_Bool)0)) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (y$w_buff0 == 0 || y$w_buff0 == 1))) && (! multithreaded || y$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || x$read_delayed_var == 0)) && (! multithreaded || ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) && (! multithreaded || (x$w_buff1 == 0 || x$w_buff1 == 2))) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || y$read_delayed_var == 0)) && (! multithreaded || (y$mem_tmp == 0 || y$mem_tmp == 1)) [2024-09-23 11:31:07,569 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:31:07,570 INFO L1541 ArrayList]: ghost_update [L877-L877] multithreaded = 1; [2024-09-23 11:31:07,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:31:08,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:31:08,030 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 11:31:08,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:31:08,172 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:31:08,173 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08 WrapperNode [2024-09-23 11:31:08,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:31:08,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:31:08,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:31:08,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:31:08,181 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 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,203 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 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,241 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 219 [2024-09-23 11:31:08,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:31:08,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:31:08,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:31:08,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:31:08,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:31:08,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:31:08,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:31:08,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:31:08,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (1/1) ... [2024-09-23 11:31:08,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:31:08,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:31:08,329 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) [2024-09-23 11:31:08,331 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 [2024-09-23 11:31:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 11:31:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:31:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-23 11:31:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-23 11:31:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-23 11:31:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-23 11:31:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:31:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 11:31:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:31:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:31:08,382 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 11:31:08,515 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:31:08,517 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:31:08,994 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:31:08,994 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 11:31:09,281 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 11:31:09,282 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 11:31:09,283 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:31:09 BoogieIcfgContainer [2024-09-23 11:31:09,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 11:31:09,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 11:31:09,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 11:31:09,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 11:31:09,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 11:31:07" (1/4) ... [2024-09-23 11:31:09,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ae562b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:31:09, skipping insertion in model container [2024-09-23 11:31:09,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:31:07" (2/4) ... [2024-09-23 11:31:09,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ae562b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:31:09, skipping insertion in model container [2024-09-23 11:31:09,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:31:08" (3/4) ... [2024-09-23 11:31:09,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ae562b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:31:09, skipping insertion in model container [2024-09-23 11:31:09,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:31:09" (4/4) ... [2024-09-23 11:31:09,294 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-09-23 11:31:09,310 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 11:31:09,310 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-23 11:31:09,310 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 11:31:09,360 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 11:31:09,399 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:31:09,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 11:31:09,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:31:09,402 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) [2024-09-23 11:31:09,405 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 [2024-09-23 11:31:09,438 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 11:31:09,449 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 11:31:09,455 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;@7813d6bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:31:09,456 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 11:31:09,563 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:09,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:09,569 INFO L85 PathProgramCache]: Analyzing trace with hash 545765793, now seen corresponding path program 1 times [2024-09-23 11:31:09,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:09,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522080446] [2024-09-23 11:31:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:09,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:11,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:11,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522080446] [2024-09-23 11:31:11,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522080446] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:11,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 11:31:11,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381429874] [2024-09-23 11:31:11,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:11,083 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:31:11,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:31:11,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:31:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:11,109 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:11,110 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) [2024-09-23 11:31:11,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:11,387 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 11:31:11,387 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:11,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:11,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1903137372, now seen corresponding path program 1 times [2024-09-23 11:31:11,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:11,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981316250] [2024-09-23 11:31:11,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:17,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:17,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981316250] [2024-09-23 11:31:17,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981316250] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:17,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:17,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-23 11:31:17,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689337591] [2024-09-23 11:31:17,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:17,284 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-23 11:31:17,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:17,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-23 11:31:17,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-09-23 11:31:17,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:17,287 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:17,287 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2024-09-23 11:31:17,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:17,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:18,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:18,542 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 11:31:18,542 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:18,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1159509402, now seen corresponding path program 1 times [2024-09-23 11:31:18,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:18,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331998162] [2024-09-23 11:31:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:20,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:20,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331998162] [2024-09-23 11:31:20,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331998162] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:20,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:20,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 11:31:20,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57770364] [2024-09-23 11:31:20,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:20,578 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 11:31:20,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:20,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 11:31:20,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-09-23 11:31:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:20,580 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:20,580 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2024-09-23 11:31:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:20,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:21,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:21,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:21,114 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 11:31:21,114 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:21,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:21,115 INFO L85 PathProgramCache]: Analyzing trace with hash -378238914, now seen corresponding path program 1 times [2024-09-23 11:31:21,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:21,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308060611] [2024-09-23 11:31:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:21,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:22,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:22,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308060611] [2024-09-23 11:31:22,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308060611] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:22,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:22,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 11:31:22,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158938107] [2024-09-23 11:31:22,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:22,106 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 11:31:22,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:22,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 11:31:22,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-23 11:31:22,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:22,107 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:22,107 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-09-23 11:31:22,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:22,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:22,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:22,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:22,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:22,414 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-23 11:31:22,414 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:22,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:22,415 INFO L85 PathProgramCache]: Analyzing trace with hash -12201671, now seen corresponding path program 1 times [2024-09-23 11:31:22,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:22,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12457337] [2024-09-23 11:31:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:22,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:23,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:23,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12457337] [2024-09-23 11:31:23,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12457337] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:23,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:23,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 11:31:23,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4192144] [2024-09-23 11:31:23,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:23,277 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 11:31:23,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:23,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 11:31:23,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-23 11:31:23,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:23,278 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:23,278 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-09-23 11:31:23,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:23,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:23,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:23,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:23,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:23,802 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-23 11:31:23,802 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:23,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:23,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2070672870, now seen corresponding path program 1 times [2024-09-23 11:31:23,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:23,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316222934] [2024-09-23 11:31:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:23,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:28,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:28,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316222934] [2024-09-23 11:31:28,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316222934] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:28,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:28,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-23 11:31:28,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203276369] [2024-09-23 11:31:28,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:28,630 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-23 11:31:28,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:28,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-23 11:31:28,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-09-23 11:31:28,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:28,632 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:28,632 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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) [2024-09-23 11:31:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:28,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:28,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:29,491 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-23 11:31:29,491 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:29,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash -308737919, now seen corresponding path program 1 times [2024-09-23 11:31:29,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:29,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799909285] [2024-09-23 11:31:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:32,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:32,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799909285] [2024-09-23 11:31:32,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799909285] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:32,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:32,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-23 11:31:32,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675356155] [2024-09-23 11:31:32,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:32,149 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-23 11:31:32,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:32,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-23 11:31:32,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-09-23 11:31:32,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:32,150 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:32,150 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:31:32,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:32,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:32,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:32,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:32,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:32,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:32,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:32,881 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-23 11:31:32,881 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:32,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:32,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1514060888, now seen corresponding path program 1 times [2024-09-23 11:31:32,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:32,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529654072] [2024-09-23 11:31:32,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:32,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:35,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:35,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529654072] [2024-09-23 11:31:35,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529654072] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:35,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:35,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-23 11:31:35,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780384818] [2024-09-23 11:31:35,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:35,176 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-23 11:31:35,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:35,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-23 11:31:35,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-09-23 11:31:35,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:35,177 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:35,177 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2024-09-23 11:31:35,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:35,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:35,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:35,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:35,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:35,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:35,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:35,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:36,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:36,023 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-23 11:31:36,023 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:36,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:36,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1018671552, now seen corresponding path program 1 times [2024-09-23 11:31:36,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:36,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454416267] [2024-09-23 11:31:36,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:36,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:37,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:37,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454416267] [2024-09-23 11:31:37,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454416267] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:37,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:37,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-23 11:31:37,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726525819] [2024-09-23 11:31:37,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:37,464 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-23 11:31:37,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:37,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-23 11:31:37,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-09-23 11:31:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:37,465 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:37,465 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:37,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:38,112 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-23 11:31:38,112 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:38,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2045350025, now seen corresponding path program 1 times [2024-09-23 11:31:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413481958] [2024-09-23 11:31:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:39,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:39,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413481958] [2024-09-23 11:31:39,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413481958] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:39,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:39,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-23 11:31:39,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531423609] [2024-09-23 11:31:39,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:39,358 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 11:31:39,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:39,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 11:31:39,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-09-23 11:31:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:39,359 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:39,359 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 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) [2024-09-23 11:31:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:39,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:39,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 11:31:39,893 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-23 11:31:39,893 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-23 11:31:39,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:31:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash 765304575, now seen corresponding path program 1 times [2024-09-23 11:31:39,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:31:39,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650110046] [2024-09-23 11:31:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:31:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:31:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:31:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 11:31:40,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:31:40,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650110046] [2024-09-23 11:31:40,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650110046] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:31:40,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:31:40,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 11:31:40,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769797578] [2024-09-23 11:31:40,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:31:40,693 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 11:31:40,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:31:40,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 11:31:40,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-23 11:31:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:40,693 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:31:40,694 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 11:31:40,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-23 11:31:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 11:31:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 11:31:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 11:31:41,117 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-23 11:31:41,117 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-23 11:31:41,118 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-23 11:31:41,118 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-23 11:31:41,118 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-23 11:31:41,123 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-23 11:31:41,125 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 11:31:41,125 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 11:31:41,127 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-23 11:31:41,127 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-23 11:31:41,128 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 11:31:41 BasicIcfg [2024-09-23 11:31:41,128 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 11:31:41,128 INFO L158 Benchmark]: Toolchain (without parser) took 33695.72ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 94.9MB in the beginning and 906.8MB in the end (delta: -811.9MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2024-09-23 11:31:41,129 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:31:41,129 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:31:41,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.98ms. Allocated memory is still 169.9MB. Free memory was 94.7MB in the beginning and 103.1MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-23 11:31:41,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.37ms. Allocated memory is still 169.9MB. Free memory was 103.1MB in the beginning and 99.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-23 11:31:41,130 INFO L158 Benchmark]: Boogie Preprocessor took 38.42ms. Allocated memory is still 169.9MB. Free memory was 99.0MB in the beginning and 96.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-23 11:31:41,130 INFO L158 Benchmark]: RCFGBuilder took 1002.56ms. Allocated memory is still 169.9MB. Free memory was 96.0MB in the beginning and 118.3MB in the end (delta: -22.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-09-23 11:31:41,131 INFO L158 Benchmark]: TraceAbstraction took 31842.11ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 117.3MB in the beginning and 906.8MB in the end (delta: -789.5MB). Peak memory consumption was 226.5MB. Max. memory is 16.1GB. [2024-09-23 11:31:41,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.98ms. Allocated memory is still 169.9MB. Free memory was 94.7MB in the beginning and 103.1MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.37ms. Allocated memory is still 169.9MB. Free memory was 103.1MB in the beginning and 99.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.42ms. Allocated memory is still 169.9MB. Free memory was 99.0MB in the beginning and 96.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.56ms. Allocated memory is still 169.9MB. Free memory was 96.0MB in the beginning and 118.3MB in the end (delta: -22.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 31842.11ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 117.3MB in the beginning and 906.8MB in the end (delta: -789.5MB). Peak memory consumption was 226.5MB. 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: 4318, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 633, dependent conditional: 581, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4299, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 614, dependent conditional: 562, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4299, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 614, dependent conditional: 562, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5249, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 1564, dependent conditional: 1512, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5249, independent: 3685, independent conditional: 169, independent unconditional: 3516, dependent: 1564, dependent conditional: 323, dependent unconditional: 1241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5249, independent: 3685, independent conditional: 169, independent unconditional: 3516, dependent: 1564, dependent conditional: 323, dependent unconditional: 1241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 434, independent: 309, independent conditional: 35, independent unconditional: 274, dependent: 125, dependent conditional: 73, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 434, independent: 242, independent conditional: 0, independent unconditional: 242, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 192, independent: 67, independent conditional: 35, independent unconditional: 32, dependent: 125, dependent conditional: 73, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 192, independent: 67, independent conditional: 35, independent unconditional: 32, dependent: 125, dependent conditional: 73, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2430, independent: 769, independent conditional: 421, independent unconditional: 348, dependent: 1661, dependent conditional: 673, dependent unconditional: 988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5249, independent: 3376, independent conditional: 134, independent unconditional: 3242, dependent: 1439, dependent conditional: 250, dependent unconditional: 1189, unknown: 434, unknown conditional: 108, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 309, Positive conditional cache size: 35, Positive unconditional cache size: 274, Negative cache size: 125, Negative conditional cache size: 73, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4431, Maximal queried relation: 7, Independence queries for same thread: 19, Persistent sets #1 benchmarks: Persistent set computation time: 1.4s, Number of persistent set computation: 123, Number of trivial persistent sets: 82, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 326, independent: 274, independent conditional: 0, independent unconditional: 274, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4318, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 633, dependent conditional: 581, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4299, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 614, dependent conditional: 562, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4299, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 614, dependent conditional: 562, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5249, independent: 3685, independent conditional: 3411, independent unconditional: 274, dependent: 1564, dependent conditional: 1512, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5249, independent: 3685, independent conditional: 169, independent unconditional: 3516, dependent: 1564, dependent conditional: 323, dependent unconditional: 1241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5249, independent: 3685, independent conditional: 169, independent unconditional: 3516, dependent: 1564, dependent conditional: 323, dependent unconditional: 1241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 434, independent: 309, independent conditional: 35, independent unconditional: 274, dependent: 125, dependent conditional: 73, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 434, independent: 242, independent conditional: 0, independent unconditional: 242, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 192, independent: 67, independent conditional: 35, independent unconditional: 32, dependent: 125, dependent conditional: 73, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 192, independent: 67, independent conditional: 35, independent unconditional: 32, dependent: 125, dependent conditional: 73, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2430, independent: 769, independent conditional: 421, independent unconditional: 348, dependent: 1661, dependent conditional: 673, dependent unconditional: 988, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5249, independent: 3376, independent conditional: 134, independent unconditional: 3242, dependent: 1439, dependent conditional: 250, dependent unconditional: 1189, unknown: 434, unknown conditional: 108, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 309, Positive conditional cache size: 35, Positive unconditional cache size: 274, Negative cache size: 125, Negative conditional cache size: 73, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4431, Maximal queried relation: 7, Independence queries for same thread: 19 - PositiveResult [Line: 879]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 880]: 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 5 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 89, 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, 0.5s SatisfiabilityAnalysisTime, 23.8s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 12302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 11:31:41,167 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 [2024-09-23 11:31:41,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE