./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe029_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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/safe029_tso.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe029_tso.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 22:40:34,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 22:40:34,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 22:40:34,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 22:40:34,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 22:40:34,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 22:40:34,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 22:40:34,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 22:40:34,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 22:40:34,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 22:40:34,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 22:40:34,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 22:40:34,899 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 22:40:34,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 22:40:34,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 22:40:34,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 22:40:34,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 22:40:34,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 22:40:34,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 22:40:34,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 22:40:34,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 22:40:34,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 22:40:34,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 22:40:34,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 22:40:34,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 22:40:34,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 22:40:34,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 22:40:34,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 22:40:34,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 22:40:34,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 22:40:34,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 22:40:34,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 22:40:34,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 22:40:34,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 22:40:34,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 22:40:34,912 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 22:40:34,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 22:40:34,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 22:40:34,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 22:40:34,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 22:40:34,914 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 22:40:34,915 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 22:40:34,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-22 22:40:35,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 22:40:35,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 22:40:35,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 22:40:35,177 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 22:40:35,178 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 22:40:35,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe029_tso.yml/witness.yml [2024-08-22 22:40:35,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 22:40:35,257 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 22:40:35,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2024-08-22 22:40:36,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 22:40:36,948 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 22:40:36,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2024-08-22 22:40:36,973 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9158068d1/e6f06e495eee4dda90c6e78c4b90d476/FLAG960f771f6 [2024-08-22 22:40:36,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9158068d1/e6f06e495eee4dda90c6e78c4b90d476 [2024-08-22 22:40:36,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 22:40:36,991 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 22:40:36,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 22:40:36,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 22:40:36,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 22:40:36,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 10:40:35" (1/2) ... [2024-08-22 22:40:36,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc6b435 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:40:36, skipping insertion in model container [2024-08-22 22:40:36,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 10:40:35" (1/2) ... [2024-08-22 22:40:36,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@535b707c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 10:40:36, skipping insertion in model container [2024-08-22 22:40:36,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:40:36" (2/2) ... [2024-08-22 22:40:36,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc6b435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:36, skipping insertion in model container [2024-08-22 22:40:36,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:40:36" (2/2) ... [2024-08-22 22:40:36,999 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-22 22:40:37,029 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 22:40:37,030 INFO L97 edCorrectnessWitness]: Location invariant before [L760-L760] (((! multithreaded || ((x == 0 || x == 1) || x == 2)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((0 <= __unbuffered_cnt && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-08-22 22:40:37,030 INFO L97 edCorrectnessWitness]: Location invariant before [L759-L759] (((! multithreaded || ((x == 0 || x == 1) || x == 2)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((0 <= __unbuffered_cnt && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2))) [2024-08-22 22:40:37,030 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 22:40:37,031 INFO L106 edCorrectnessWitness]: ghost_update [L757-L757] multithreaded = 1; [2024-08-22 22:40:37,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 22:40:37,236 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i[945,958] [2024-08-22 22:40:37,364 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 22:40:37,380 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 22:40:37,418 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-22 22:40:37,472 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 22:40:37,528 INFO L206 MainTranslator]: Completed translation [2024-08-22 22:40:37,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37 WrapperNode [2024-08-22 22:40:37,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 22:40:37,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 22:40:37,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 22:40:37,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 22:40:37,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,612 INFO L138 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-08-22 22:40:37,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 22:40:37,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 22:40:37,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 22:40:37,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 22:40:37,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 22:40:37,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 22:40:37,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 22:40:37,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 22:40:37,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (1/1) ... [2024-08-22 22:40:37,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 22:40:37,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:40:37,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-22 22:40:37,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-22 22:40:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 22:40:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 22:40:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-22 22:40:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-22 22:40:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-22 22:40:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-22 22:40:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 22:40:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 22:40:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 22:40:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 22:40:37,723 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 22:40:37,833 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 22:40:37,835 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 22:40:37,960 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 22:40:37,960 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 22:40:38,056 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 22:40:38,056 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-22 22:40:38,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:40:38 BoogieIcfgContainer [2024-08-22 22:40:38,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 22:40:38,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 22:40:38,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 22:40:38,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 22:40:38,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 10:40:35" (1/4) ... [2024-08-22 22:40:38,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f32d688 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 10:40:38, skipping insertion in model container [2024-08-22 22:40:38,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:40:36" (2/4) ... [2024-08-22 22:40:38,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f32d688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:40:38, skipping insertion in model container [2024-08-22 22:40:38,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:40:37" (3/4) ... [2024-08-22 22:40:38,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f32d688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:40:38, skipping insertion in model container [2024-08-22 22:40:38,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:40:38" (4/4) ... [2024-08-22 22:40:38,066 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_tso.i [2024-08-22 22:40:38,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 22:40:38,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-22 22:40:38,085 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 22:40:38,128 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-22 22:40:38,170 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 22:40:38,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 22:40:38,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 22:40:38,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-22 22:40:38,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-22 22:40:38,210 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 22:40:38,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 22:40:38,230 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;@1b20b4c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 22:40:38,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-22 22:40:38,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:38,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:38,323 INFO L85 PathProgramCache]: Analyzing trace with hash 176439726, now seen corresponding path program 1 times [2024-08-22 22:40:38,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:38,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277797323] [2024-08-22 22:40:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:38,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:38,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277797323] [2024-08-22 22:40:38,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277797323] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:38,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:38,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-22 22:40:38,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972775312] [2024-08-22 22:40:38,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:38,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-22 22:40:38,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:38,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-22 22:40:38,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-22 22:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:38,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:38,663 INFO L496 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) [2024-08-22 22:40:38,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:38,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:38,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 22:40:38,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:38,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:38,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1007460827, now seen corresponding path program 1 times [2024-08-22 22:40:38,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:38,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761897892] [2024-08-22 22:40:38,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:38,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:38,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761897892] [2024-08-22 22:40:38,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761897892] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:38,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:38,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 22:40:38,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944463447] [2024-08-22 22:40:38,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:38,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 22:40:38,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:38,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 22:40:38,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-22 22:40:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:38,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:38,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 22:40:38,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:38,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:39,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:39,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:39,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-22 22:40:39,023 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:39,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:39,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1833050064, now seen corresponding path program 1 times [2024-08-22 22:40:39,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:39,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872721965] [2024-08-22 22:40:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:39,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:39,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872721965] [2024-08-22 22:40:39,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872721965] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:39,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:39,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 22:40:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838089229] [2024-08-22 22:40:39,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:39,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 22:40:39,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:39,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 22:40:39,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-22 22:40:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:39,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:39,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 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) [2024-08-22 22:40:39,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:39,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:39,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:39,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-22 22:40:39,342 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:39,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1693770178, now seen corresponding path program 1 times [2024-08-22 22:40:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:39,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71453659] [2024-08-22 22:40:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:39,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:39,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:39,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71453659] [2024-08-22 22:40:39,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71453659] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:39,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:39,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-22 22:40:39,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719777042] [2024-08-22 22:40:39,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:39,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 22:40:39,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:39,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 22:40:39,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-22 22:40:39,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:39,603 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:39,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2024-08-22 22:40:39,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:39,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:39,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:39,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:39,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-22 22:40:39,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:39,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:39,872 INFO L85 PathProgramCache]: Analyzing trace with hash 122830883, now seen corresponding path program 1 times [2024-08-22 22:40:39,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:39,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977563337] [2024-08-22 22:40:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:39,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:39,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977563337] [2024-08-22 22:40:39,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977563337] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:39,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:39,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-22 22:40:39,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853154037] [2024-08-22 22:40:39,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:39,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 22:40:39,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:39,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 22:40:39,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-22 22:40:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:39,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:39,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 22:40:39,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:39,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:39,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:39,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:39,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:40:40,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-22 22:40:40,133 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:40,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:40,134 INFO L85 PathProgramCache]: Analyzing trace with hash 182063104, now seen corresponding path program 1 times [2024-08-22 22:40:40,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:40,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045503571] [2024-08-22 22:40:40,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:40,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:40,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:40,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045503571] [2024-08-22 22:40:40,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045503571] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:40,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:40,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 22:40:40,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536006921] [2024-08-22 22:40:40,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:40,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 22:40:40,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:40,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 22:40:40,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-22 22:40:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:40,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:40,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2024-08-22 22:40:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:40:40,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:40:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-22 22:40:40,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 22:40:40,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 22:40:40,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1391345551, now seen corresponding path program 1 times [2024-08-22 22:40:40,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 22:40:40,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571550197] [2024-08-22 22:40:40,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 22:40:40,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 22:40:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 22:40:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 22:40:40,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 22:40:40,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571550197] [2024-08-22 22:40:40,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571550197] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 22:40:40,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 22:40:40,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 22:40:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057972770] [2024-08-22 22:40:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 22:40:40,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 22:40:40,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 22:40:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 22:40:40,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-22 22:40:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:40,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 22:40:40,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 22:40:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 22:40:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 22:40:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-22 22:40:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 22:40:40,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-08-22 22:40:40,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-22 22:40:40,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-08-22 22:40:40,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-22 22:40:40,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-22 22:40:40,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-22 22:40:40,570 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-08-22 22:40:40,573 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 22:40:40,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 22:40:40,578 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-22 22:40:40,578 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-22 22:40:40,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:40:40 BasicIcfg [2024-08-22 22:40:40,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 22:40:40,580 INFO L158 Benchmark]: Toolchain (without parser) took 3589.03ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 82.3MB in the beginning and 118.4MB in the end (delta: -36.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-08-22 22:40:40,580 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 22:40:40,580 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 22:40:40,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.31ms. Allocated memory is still 140.5MB. Free memory was 81.9MB in the beginning and 109.1MB in the end (delta: -27.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-08-22 22:40:40,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.80ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 109.1MB in the beginning and 167.0MB in the end (delta: -57.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-08-22 22:40:40,582 INFO L158 Benchmark]: Boogie Preprocessor took 35.87ms. Allocated memory is still 197.1MB. Free memory was 167.0MB in the beginning and 164.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 22:40:40,583 INFO L158 Benchmark]: RCFGBuilder took 406.93ms. Allocated memory is still 197.1MB. Free memory was 164.7MB in the beginning and 146.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-22 22:40:40,583 INFO L158 Benchmark]: TraceAbstraction took 2519.80ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 118.4MB in the end (delta: 26.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-08-22 22:40:40,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.31ms. Allocated memory is still 140.5MB. Free memory was 81.9MB in the beginning and 109.1MB in the end (delta: -27.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.80ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 109.1MB in the beginning and 167.0MB in the end (delta: -57.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.87ms. Allocated memory is still 197.1MB. Free memory was 167.0MB in the beginning and 164.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.93ms. Allocated memory is still 197.1MB. Free memory was 164.7MB in the beginning and 146.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2519.80ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 118.4MB in the end (delta: 26.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2509, independent: 2309, independent conditional: 1976, independent unconditional: 333, dependent: 200, dependent conditional: 167, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2410, independent: 2309, independent conditional: 1976, independent unconditional: 333, dependent: 101, dependent conditional: 68, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2410, independent: 2309, independent conditional: 1976, independent unconditional: 333, dependent: 101, dependent conditional: 68, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2862, independent: 2309, independent conditional: 136, independent unconditional: 2173, dependent: 553, dependent conditional: 316, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2862, independent: 2309, independent conditional: 136, independent unconditional: 2173, dependent: 553, dependent conditional: 203, dependent unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2862, independent: 2309, independent conditional: 136, independent unconditional: 2173, dependent: 553, dependent conditional: 203, dependent unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 434, independent: 370, independent conditional: 34, independent unconditional: 336, dependent: 64, dependent conditional: 31, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 434, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 114, independent: 50, independent conditional: 34, independent unconditional: 16, dependent: 64, dependent conditional: 31, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 114, independent: 50, independent conditional: 34, independent unconditional: 16, dependent: 64, dependent conditional: 31, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, independent: 162, independent conditional: 96, independent unconditional: 66, dependent: 182, dependent conditional: 92, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2862, independent: 1939, independent conditional: 102, independent unconditional: 1837, dependent: 489, dependent conditional: 172, dependent unconditional: 317, unknown: 434, unknown conditional: 65, unknown unconditional: 369] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 370, Positive conditional cache size: 34, Positive unconditional cache size: 336, Negative cache size: 64, Negative conditional cache size: 31, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 113, Maximal queried relation: 5, Independence queries for same thread: 99 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 156, Number of trivial persistent sets: 89, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 366, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2509, independent: 2309, independent conditional: 1976, independent unconditional: 333, dependent: 200, dependent conditional: 167, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2410, independent: 2309, independent conditional: 1976, independent unconditional: 333, dependent: 101, dependent conditional: 68, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2410, independent: 2309, independent conditional: 1976, independent unconditional: 333, dependent: 101, dependent conditional: 68, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2862, independent: 2309, independent conditional: 136, independent unconditional: 2173, dependent: 553, dependent conditional: 316, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2862, independent: 2309, independent conditional: 136, independent unconditional: 2173, dependent: 553, dependent conditional: 203, dependent unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2862, independent: 2309, independent conditional: 136, independent unconditional: 2173, dependent: 553, dependent conditional: 203, dependent unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 434, independent: 370, independent conditional: 34, independent unconditional: 336, dependent: 64, dependent conditional: 31, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 434, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 114, independent: 50, independent conditional: 34, independent unconditional: 16, dependent: 64, dependent conditional: 31, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 114, independent: 50, independent conditional: 34, independent unconditional: 16, dependent: 64, dependent conditional: 31, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, independent: 162, independent conditional: 96, independent unconditional: 66, dependent: 182, dependent conditional: 92, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2862, independent: 1939, independent conditional: 102, independent unconditional: 1837, dependent: 489, dependent conditional: 172, dependent unconditional: 317, unknown: 434, unknown conditional: 65, unknown unconditional: 369] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 370, Positive conditional cache size: 34, Positive unconditional cache size: 336, Negative cache size: 64, Negative conditional cache size: 31, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 113, Maximal queried relation: 5, Independence queries for same thread: 99 - PositiveResult [Line: 759]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 760]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 18]: 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 5 procedures, 50 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 0.9s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2024-08-22 22:40:40,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-22 22:40:40,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE