./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_30-traces-oplus-vs-meet_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_30-traces-oplus-vs-meet_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 12:40:07,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 12:40:07,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 12:40:07,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 12:40:07,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 12:40:07,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 12:40:07,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 12:40:07,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 12:40:07,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 12:40:07,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 12:40:07,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 12:40:07,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 12:40:07,857 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 12:40:07,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 12:40:07,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 12:40:07,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 12:40:07,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 12:40:07,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 12:40:07,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 12:40:07,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 12:40:07,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 12:40:07,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 12:40:07,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 12:40:07,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 12:40:07,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 12:40:07,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 12:40:07,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 12:40:07,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 12:40:07,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 12:40:07,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 12:40:07,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 12:40:07,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 12:40:07,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 12:40:07,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 12:40:07,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 12:40:07,863 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 12:40:07,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 12:40:07,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 12:40:07,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 12:40:07,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 12:40:07,864 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 12:40:07,864 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 12:40:07,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 12:40:08,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 12:40:08,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 12:40:08,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 12:40:08,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 12:40:08,120 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 12:40:08,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-07-22 12:40:09,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 12:40:09,449 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 12:40:09,449 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-07-22 12:40:09,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0072de698/3c1877103a5d4dddbcda099261101569/FLAGc72f4c248 [2024-07-22 12:40:09,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0072de698/3c1877103a5d4dddbcda099261101569 [2024-07-22 12:40:09,471 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 12:40:09,477 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 12:40:09,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_30-traces-oplus-vs-meet_true.yml/witness.yml [2024-07-22 12:40:09,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 12:40:09,572 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 12:40:09,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 12:40:09,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 12:40:09,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 12:40:09,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:40:09" (1/2) ... [2024-07-22 12:40:09,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b264cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:40:09, skipping insertion in model container [2024-07-22 12:40:09,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:40:09" (1/2) ... [2024-07-22 12:40:09,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@357414c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:40:09, skipping insertion in model container [2024-07-22 12:40:09,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 12:40:09" (2/2) ... [2024-07-22 12:40:09,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b264cb3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:09, skipping insertion in model container [2024-07-22 12:40:09,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 12:40:09" (2/2) ... [2024-07-22 12:40:09,582 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 12:40:09,609 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 12:40:09,610 INFO L97 edCorrectnessWitness]: Location invariant before [L699-L699] ! multithreaded || (g == 0 || g == 5) [2024-07-22 12:40:09,610 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 12:40:09,611 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-22 12:40:09,611 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-22 12:40:09,611 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 0; [2024-07-22 12:40:09,611 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] multithreaded = 1; [2024-07-22 12:40:09,612 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-07-22 12:40:09,612 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] A_locked = 1; [2024-07-22 12:40:09,612 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] A_locked = 0; [2024-07-22 12:40:09,612 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 0; [2024-07-22 12:40:09,612 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-07-22 12:40:09,613 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 0; [2024-07-22 12:40:09,613 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] A_locked = 1; [2024-07-22 12:40:09,613 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-07-22 12:40:09,613 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] A_locked = 0; [2024-07-22 12:40:09,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 12:40:09,788 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2024-07-22 12:40:09,920 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 12:40:09,930 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 12:40:09,962 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 12:40:10,019 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 12:40:10,050 INFO L206 MainTranslator]: Completed translation [2024-07-22 12:40:10,050 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10 WrapperNode [2024-07-22 12:40:10,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 12:40:10,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 12:40:10,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 12:40:10,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 12:40:10,058 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 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,067 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 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,080 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-07-22 12:40:10,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 12:40:10,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 12:40:10,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 12:40:10,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 12:40:10,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 12:40:10,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 12:40:10,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 12:40:10,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 12:40:10,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (1/1) ... [2024-07-22 12:40:10,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 12:40:10,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:40:10,171 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) [2024-07-22 12:40:10,191 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 [2024-07-22 12:40:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 12:40:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 12:40:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-22 12:40:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-22 12:40:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 12:40:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 12:40:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 12:40:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 12:40:10,211 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 12:40:10,328 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 12:40:10,330 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 12:40:10,508 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 12:40:10,508 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 12:40:10,567 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 12:40:10,567 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 12:40:10,568 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:40:10 BoogieIcfgContainer [2024-07-22 12:40:10,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 12:40:10,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 12:40:10,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 12:40:10,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 12:40:10,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:40:09" (1/4) ... [2024-07-22 12:40:10,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e30450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:40:10, skipping insertion in model container [2024-07-22 12:40:10,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 12:40:09" (2/4) ... [2024-07-22 12:40:10,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e30450 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 12:40:10, skipping insertion in model container [2024-07-22 12:40:10,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:40:10" (3/4) ... [2024-07-22 12:40:10,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e30450 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 12:40:10, skipping insertion in model container [2024-07-22 12:40:10,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:40:10" (4/4) ... [2024-07-22 12:40:10,574 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-07-22 12:40:10,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 12:40:10,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-22 12:40:10,587 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 12:40:10,609 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-07-22 12:40:10,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 12:40:10,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 12:40:10,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:40:10,637 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) [2024-07-22 12:40:10,649 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 [2024-07-22 12:40:10,668 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 12:40:10,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 12:40:10,686 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a2a9ec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 12:40:10,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 12:40:10,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-22 12:40:10,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:40:10,706 INFO L85 PathProgramCache]: Analyzing trace with hash 245798, now seen corresponding path program 1 times [2024-07-22 12:40:10,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:40:10,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897289176] [2024-07-22 12:40:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:40:10,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:40:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:40:10,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:40:10,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:40:10,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897289176] [2024-07-22 12:40:10,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897289176] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:40:10,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:40:10,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 12:40:10,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265754740] [2024-07-22 12:40:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:40:10,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 12:40:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:40:11,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 12:40:11,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 12:40:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:40:11,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-07-22 12:40:11,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 12:40:11,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-22 12:40:11,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:40:11,170 INFO L85 PathProgramCache]: Analyzing trace with hash 793164315, now seen corresponding path program 1 times [2024-07-22 12:40:11,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:40:11,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952968836] [2024-07-22 12:40:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:40:11,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:40:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:40:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:40:11,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:40:11,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952968836] [2024-07-22 12:40:11,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952968836] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:40:11,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:40:11,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 12:40:11,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445645792] [2024-07-22 12:40:11,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:40:11,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 12:40:11,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:40:11,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 12:40:11,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 12:40:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:40:11,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 12:40:11,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 12:40:11,327 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-22 12:40:11,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:40:11,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1747794449, now seen corresponding path program 1 times [2024-07-22 12:40:11,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:40:11,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300890640] [2024-07-22 12:40:11,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:40:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:40:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:40:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:40:11,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:40:11,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300890640] [2024-07-22 12:40:11,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300890640] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:40:11,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:40:11,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 12:40:11,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873231084] [2024-07-22 12:40:11,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:40:11,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 12:40:11,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:40:11,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 12:40:11,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 12:40:11,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:40:11,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 12:40:11,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 12:40:11,550 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-22 12:40:11,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:40:11,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2029226025, now seen corresponding path program 1 times [2024-07-22 12:40:11,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:40:11,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994544932] [2024-07-22 12:40:11,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:40:11,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:40:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:40:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:40:11,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:40:11,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994544932] [2024-07-22 12:40:11,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994544932] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:40:11,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:40:11,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 12:40:11,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39824454] [2024-07-22 12:40:11,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:40:11,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 12:40:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:40:11,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 12:40:11,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 12:40:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:40:11,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2024-07-22 12:40:11,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 12:40:11,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-22 12:40:11,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:40:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash 53199365, now seen corresponding path program 2 times [2024-07-22 12:40:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:40:11,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546939644] [2024-07-22 12:40:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:40:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:40:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:40:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:40:11,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:40:11,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546939644] [2024-07-22 12:40:11,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546939644] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:40:11,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:40:11,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 12:40:11,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221718547] [2024-07-22 12:40:11,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:40:11,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 12:40:11,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:40:11,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 12:40:11,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 12:40:11,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:40:11,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 12:40:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 12:40:11,786 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-07-22 12:40:11,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:40:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 787140940, now seen corresponding path program 1 times [2024-07-22 12:40:11,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:40:11,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299035006] [2024-07-22 12:40:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:40:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:40:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:40:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:40:11,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:40:11,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299035006] [2024-07-22 12:40:11,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299035006] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:40:11,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:40:11,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 12:40:11,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404802393] [2024-07-22 12:40:11,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:40:11,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 12:40:11,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:40:11,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 12:40:11,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-07-22 12:40:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:40:11,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 12:40:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:40:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:40:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:40:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 12:40:11,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-07-22 12:40:11,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-22 12:40:11,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-07-22 12:40:11,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-22 12:40:11,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 12:40:11,983 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-07-22 12:40:11,985 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 12:40:11,985 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 12:40:11,986 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-22 12:40:11,987 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-22 12:40:11,987 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:40:11 BasicIcfg [2024-07-22 12:40:11,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 12:40:11,988 INFO L158 Benchmark]: Toolchain (without parser) took 2415.99ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 121.8MB in the beginning and 102.7MB in the end (delta: 19.1MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-07-22 12:40:11,988 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 12:40:11,988 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 12:40:11,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.01ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 95.4MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-22 12:40:11,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.45ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 94.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 12:40:11,989 INFO L158 Benchmark]: Boogie Preprocessor took 41.37ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 92.4MB in the end (delta: 897.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 12:40:11,989 INFO L158 Benchmark]: RCFGBuilder took 444.64ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 66.1MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-22 12:40:11,990 INFO L158 Benchmark]: TraceAbstraction took 1418.25ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 65.2MB in the beginning and 102.7MB in the end (delta: -37.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-07-22 12:40:11,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.01ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 95.4MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.45ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 94.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.37ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 92.4MB in the end (delta: 897.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.64ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 66.1MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1418.25ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 65.2MB in the beginning and 102.7MB in the end (delta: -37.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 564, independent: 487, independent conditional: 191, independent unconditional: 296, dependent: 77, dependent conditional: 55, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 521, independent: 487, independent conditional: 191, independent unconditional: 296, dependent: 34, dependent conditional: 12, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 521, independent: 487, independent conditional: 191, independent unconditional: 296, dependent: 34, dependent conditional: 12, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 545, independent: 487, independent conditional: 1, independent unconditional: 486, dependent: 58, dependent conditional: 23, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 545, independent: 487, independent conditional: 1, independent unconditional: 486, dependent: 58, dependent conditional: 2, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 545, independent: 487, independent conditional: 1, independent unconditional: 486, dependent: 58, dependent conditional: 2, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 323, independent: 299, independent conditional: 1, independent unconditional: 298, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 323, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, independent: 72, independent conditional: 2, independent unconditional: 70, dependent: 74, dependent conditional: 6, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 545, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 323, unknown conditional: 3, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 323, Positive cache size: 299, Positive conditional cache size: 1, Positive unconditional cache size: 298, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 3, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 92, Number of trivial persistent sets: 92, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 318, independent: 296, independent conditional: 0, independent unconditional: 296, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 564, independent: 487, independent conditional: 191, independent unconditional: 296, dependent: 77, dependent conditional: 55, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 521, independent: 487, independent conditional: 191, independent unconditional: 296, dependent: 34, dependent conditional: 12, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 521, independent: 487, independent conditional: 191, independent unconditional: 296, dependent: 34, dependent conditional: 12, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 545, independent: 487, independent conditional: 1, independent unconditional: 486, dependent: 58, dependent conditional: 23, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 545, independent: 487, independent conditional: 1, independent unconditional: 486, dependent: 58, dependent conditional: 2, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 545, independent: 487, independent conditional: 1, independent unconditional: 486, dependent: 58, dependent conditional: 2, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 323, independent: 299, independent conditional: 1, independent unconditional: 298, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 323, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, independent: 72, independent conditional: 2, independent unconditional: 70, dependent: 74, dependent conditional: 6, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 545, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 323, unknown conditional: 3, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 323, Positive cache size: 299, Positive conditional cache size: 1, Positive unconditional cache size: 298, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 3, Independence queries for same thread: 43 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 54 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, 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: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 12:40:12,027 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 [2024-07-22 12:40:12,239 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