./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/test-easy11.wvr.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/weaver/test-easy11.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/test-easy11.wvr.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 20:31:27,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 20:31:27,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 20:31:27,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 20:31:27,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 20:31:27,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 20:31:27,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 20:31:27,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 20:31:27,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 20:31:27,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 20:31:27,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 20:31:27,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 20:31:27,595 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 20:31:27,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 20:31:27,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 20:31:27,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 20:31:27,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 20:31:27,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 20:31:27,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 20:31:27,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 20:31:27,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 20:31:27,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 20:31:27,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 20:31:27,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 20:31:27,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 20:31:27,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 20:31:27,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 20:31:27,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 20:31:27,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 20:31:27,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 20:31:27,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 20:31:27,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 20:31:27,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 20:31:27,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 20:31:27,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 20:31:27,603 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 20:31:27,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 20:31:27,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 20:31:27,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 20:31:27,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 20:31:27,605 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 20:31:27,606 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 20:31:27,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 20:31:27,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 20:31:27,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 20:31:27,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 20:31:27,900 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 20:31:27,901 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 20:31:27,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/test-easy11.wvr.yml/witness.yml [2024-08-22 20:31:28,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 20:31:28,008 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 20:31:28,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c [2024-08-22 20:31:29,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 20:31:29,607 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 20:31:29,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2024-08-22 20:31:29,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df3276f85/7fa981be758948a5872d44161b77ab9b/FLAG211a2f1c1 [2024-08-22 20:31:29,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df3276f85/7fa981be758948a5872d44161b77ab9b [2024-08-22 20:31:29,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 20:31:29,997 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 20:31:29,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 20:31:29,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 20:31:30,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 20:31:30,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 08:31:28" (1/2) ... [2024-08-22 20:31:30,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c46243 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:31:30, skipping insertion in model container [2024-08-22 20:31:30,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 08:31:28" (1/2) ... [2024-08-22 20:31:30,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@203fd7f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:31:30, skipping insertion in model container [2024-08-22 20:31:30,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 08:31:29" (2/2) ... [2024-08-22 20:31:30,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c46243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30, skipping insertion in model container [2024-08-22 20:31:30,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 08:31:29" (2/2) ... [2024-08-22 20:31:30,008 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 20:31:30,021 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 20:31:30,022 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 20:31:30,023 INFO L106 edCorrectnessWitness]: ghost_update [L73-L73] multithreaded = 1; [2024-08-22 20:31:30,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 20:31:30,201 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c[2031,2044] [2024-08-22 20:31:30,206 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 20:31:30,216 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-22 20:31:30,261 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c[2031,2044] [2024-08-22 20:31:30,262 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 20:31:30,278 INFO L206 MainTranslator]: Completed translation [2024-08-22 20:31:30,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30 WrapperNode [2024-08-22 20:31:30,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 20:31:30,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 20:31:30,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 20:31:30,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 20:31:30,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,321 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-08-22 20:31:30,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 20:31:30,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 20:31:30,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 20:31:30,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 20:31:30,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 20:31:30,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 20:31:30,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 20:31:30,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 20:31:30,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (1/1) ... [2024-08-22 20:31:30,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 20:31:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:31:30,388 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 20:31:30,390 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 20:31:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 20:31:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-22 20:31:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-22 20:31:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-22 20:31:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-22 20:31:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 20:31:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 20:31:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 20:31:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 20:31:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 20:31:30,425 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 20:31:30,519 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 20:31:30,521 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 20:31:30,703 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 20:31:30,704 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 20:31:30,837 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 20:31:30,837 INFO L319 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-22 20:31:30,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:31:30 BoogieIcfgContainer [2024-08-22 20:31:30,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 20:31:30,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 20:31:30,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 20:31:30,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 20:31:30,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 08:31:28" (1/4) ... [2024-08-22 20:31:30,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ef23df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 08:31:30, skipping insertion in model container [2024-08-22 20:31:30,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 08:31:29" (2/4) ... [2024-08-22 20:31:30,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ef23df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 08:31:30, skipping insertion in model container [2024-08-22 20:31:30,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:31:30" (3/4) ... [2024-08-22 20:31:30,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ef23df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 08:31:30, skipping insertion in model container [2024-08-22 20:31:30,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:31:30" (4/4) ... [2024-08-22 20:31:30,853 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2024-08-22 20:31:30,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 20:31:30,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-22 20:31:30,871 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 20:31:30,910 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-22 20:31:30,961 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 20:31:30,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 20:31:30,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:31:30,963 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 20:31:30,965 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 20:31:31,005 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 20:31:31,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 20:31:31,027 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;@786b7b94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 20:31:31,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-22 20:31:31,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 20:31:31,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:31:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2422390, now seen corresponding path program 1 times [2024-08-22 20:31:31,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:31:31,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539649443] [2024-08-22 20:31:31,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:31:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:31:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:31:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:31:31,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:31:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539649443] [2024-08-22 20:31:31,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539649443] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 20:31:31,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 20:31:31,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-22 20:31:31,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772833177] [2024-08-22 20:31:31,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 20:31:31,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 20:31:31,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:31:31,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 20:31:31,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-22 20:31:31,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:31,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:31:31,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 20:31:31,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:31,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 20:31:31,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 20:31:31,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:31:31,632 INFO L85 PathProgramCache]: Analyzing trace with hash -201819599, now seen corresponding path program 1 times [2024-08-22 20:31:31,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:31:31,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855082078] [2024-08-22 20:31:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:31:31,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:31:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:31:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 20:31:31,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:31:31,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855082078] [2024-08-22 20:31:31,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855082078] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:31:31,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112623790] [2024-08-22 20:31:31,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:31:31,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:31:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:31:31,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 20:31:31,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-22 20:31:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:31:31,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-22 20:31:31,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:31:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 20:31:32,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:31:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:31:32,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112623790] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:31:32,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:31:32,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 10 [2024-08-22 20:31:32,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99488613] [2024-08-22 20:31:32,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:31:32,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-22 20:31:32,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:31:32,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-22 20:31:32,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-08-22 20:31:32,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:32,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:31:32,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 20:31:32,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:32,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:32,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:32,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:32,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-22 20:31:32,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-22 20:31:32,565 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 20:31:32,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:31:32,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1771768072, now seen corresponding path program 2 times [2024-08-22 20:31:32,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:31:32,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42799250] [2024-08-22 20:31:32,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:31:32,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:31:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:31:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 20:31:32,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:31:32,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42799250] [2024-08-22 20:31:32,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42799250] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:31:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488894077] [2024-08-22 20:31:32,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 20:31:32,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:31:32,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:31:32,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 20:31:32,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-22 20:31:32,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 20:31:32,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:31:32,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-22 20:31:32,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:31:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-22 20:31:32,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:31:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 20:31:32,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488894077] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:31:32,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:31:32,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-08-22 20:31:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144621879] [2024-08-22 20:31:32,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:31:32,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-22 20:31:32,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:31:32,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-22 20:31:32,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-08-22 20:31:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:32,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:31:32,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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 20:31:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:32,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:33,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:33,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 20:31:33,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-22 20:31:33,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:31:33,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 20:31:33,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:31:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1454395192, now seen corresponding path program 3 times [2024-08-22 20:31:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:31:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845853132] [2024-08-22 20:31:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:31:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:31:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:31:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:31:33,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:31:33,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845853132] [2024-08-22 20:31:33,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845853132] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:31:33,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706169683] [2024-08-22 20:31:33,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 20:31:33,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:31:33,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:31:33,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 20:31:33,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-22 20:31:33,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-22 20:31:33,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:31:33,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-22 20:31:33,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:31:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:31:33,817 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:31:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:31:34,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706169683] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:31:34,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:31:34,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-08-22 20:31:34,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793879476] [2024-08-22 20:31:34,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:31:34,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-08-22 20:31:34,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:31:34,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-08-22 20:31:34,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-08-22 20:31:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:34,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:31:34,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.8181818181818181) internal successors, (40), 21 states have internal predecessors, (40), 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 20:31:34,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:34,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:34,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 20:31:34,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 20:31:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:31:34,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-22 20:31:34,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:31:34,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-22 20:31:34,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:31:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1183888979, now seen corresponding path program 1 times [2024-08-22 20:31:34,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:31:34,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697073222] [2024-08-22 20:31:34,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:31:34,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:31:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:31:34,941 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 20:31:34,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:31:34,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697073222] [2024-08-22 20:31:34,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697073222] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 20:31:34,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 20:31:34,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-08-22 20:31:34,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827120910] [2024-08-22 20:31:34,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 20:31:34,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-22 20:31:34,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:31:34,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-22 20:31:34,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-08-22 20:31:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:34,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:31:34,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 20:31:34,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:34,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:34,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 20:31:34,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:31:34,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:31:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 20:31:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:31:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 20:31:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-22 20:31:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 20:31:35,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-08-22 20:31:35,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-08-22 20:31:35,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-22 20:31:35,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-22 20:31:35,230 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-08-22 20:31:35,234 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 20:31:35,234 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 20:31:35,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 08:31:35 BasicIcfg [2024-08-22 20:31:35,238 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 20:31:35,239 INFO L158 Benchmark]: Toolchain (without parser) took 5242.35ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 118.2MB in the beginning and 86.6MB in the end (delta: 31.6MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2024-08-22 20:31:35,239 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 20:31:35,239 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 20:31:35,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.77ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 104.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-22 20:31:35,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.90ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 20:31:35,240 INFO L158 Benchmark]: Boogie Preprocessor took 32.10ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 20:31:35,240 INFO L158 Benchmark]: RCFGBuilder took 484.80ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 81.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-22 20:31:35,241 INFO L158 Benchmark]: TraceAbstraction took 4395.50ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 81.2MB in the beginning and 86.6MB in the end (delta: -5.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-08-22 20:31:35,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.77ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 104.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.90ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.10ms. Allocated memory is still 167.8MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.80ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 81.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4395.50ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 81.2MB in the beginning and 86.6MB in the end (delta: -5.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 619, independent: 506, independent conditional: 333, independent unconditional: 173, dependent: 113, dependent conditional: 111, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 333, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 333, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 508, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 175, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 175, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 508, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 175, unknown conditional: 0, unknown unconditional: 175] , Statistics on independence cache: Total cache size (in pairs): 175, Positive cache size: 173, Positive conditional cache size: 0, Positive unconditional cache size: 173, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 111 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 52, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 175, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 619, independent: 506, independent conditional: 333, independent unconditional: 173, dependent: 113, dependent conditional: 111, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 333, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 333, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 508, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 508, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 175, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 175, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 508, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 175, unknown conditional: 0, unknown unconditional: 175] , Statistics on independence cache: Total cache size (in pairs): 175, Positive cache size: 173, Positive conditional cache size: 0, Positive unconditional cache size: 173, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 111 - PositiveResult [Line: 79]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.3s, 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: 48, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 929 SizeOfPredicates, 7 NumberOfNonLiveVariables, 312 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 26/40 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-22 20:31:35,278 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 20:31:35,472 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