./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:38:27,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:38:27,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 05:38:27,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:38:27,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:38:27,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:38:27,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:38:27,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:38:27,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:38:27,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:38:27,467 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:38:27,467 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:38:27,468 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:38:27,468 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:38:27,469 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:38:27,469 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:38:27,474 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:38:27,474 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:38:27,474 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:38:27,475 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:38:27,475 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:38:27,476 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:38:27,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:38:27,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:38:27,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:38:27,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:38:27,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:38:27,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:38:27,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:38:27,483 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:38:27,484 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:38:27,484 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 05:38:27,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:38:27,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:38:27,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:38:27,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:38:27,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:38:27,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:38:27,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:38:27,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:38:27,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:38:27,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:27,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:38:27,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:38:27,491 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:38:27,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:38:27,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:38:27,492 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:38:27,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:38:27,493 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 [2024-11-09 05:38:27,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:38:27,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:38:27,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:38:27,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:38:27,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:38:27,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c Unable to find full path for "g++" [2024-11-09 05:38:29,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:38:30,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:38:30,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-11-09 05:38:30,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/data/4afaa2205/7007aba9698a42869d11fa2c513e9fbc/FLAG74dd7ca9e [2024-11-09 05:38:30,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/data/4afaa2205/7007aba9698a42869d11fa2c513e9fbc [2024-11-09 05:38:30,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:38:30,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:38:30,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:30,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:38:30,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:38:30,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6658eaf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30, skipping insertion in model container [2024-11-09 05:38:30,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:38:30,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:30,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:38:30,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:38:30,574 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:38:30,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30 WrapperNode [2024-11-09 05:38:30,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:38:30,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:30,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:38:30,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:38:30,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,627 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-09 05:38:30,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:38:30,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:38:30,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:38:30,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:38:30,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:38:30,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:38:30,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:38:30,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:38:30,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (1/1) ... [2024-11-09 05:38:30,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:38:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:38:30,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:38:30,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:38:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:38:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 05:38:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 05:38:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 05:38:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 05:38:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 05:38:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 05:38:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:38:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:38:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:38:30,776 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:38:30,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:38:30,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:38:31,151 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:38:31,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:38:31,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:38:31,407 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:38:31,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:31 BoogieIcfgContainer [2024-11-09 05:38:31,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:38:31,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:38:31,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:38:31,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:38:31,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:38:30" (1/3) ... [2024-11-09 05:38:31,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312cdba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:31, skipping insertion in model container [2024-11-09 05:38:31,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:38:30" (2/3) ... [2024-11-09 05:38:31,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312cdba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:38:31, skipping insertion in model container [2024-11-09 05:38:31,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:31" (3/3) ... [2024-11-09 05:38:31,420 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2024-11-09 05:38:31,439 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:38:31,439 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:38:31,439 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:38:31,506 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 05:38:31,553 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 63 flow [2024-11-09 05:38:31,582 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 40 states have internal predecessors, (72), 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) [2024-11-09 05:38:31,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:38:31,631 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f6e692f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:38:31,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-09 05:38:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 40 states have internal predecessors, (72), 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) [2024-11-09 05:38:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:38:31,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:31,645 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:31,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 05:38:31,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:31,653 INFO L85 PathProgramCache]: Analyzing trace with hash -334665553, now seen corresponding path program 1 times [2024-11-09 05:38:31,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:31,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490004135] [2024-11-09 05:38:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:31,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:38:32,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:32,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490004135] [2024-11-09 05:38:32,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490004135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:32,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:32,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:38:32,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002244809] [2024-11-09 05:38:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:33,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:38:33,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:38:33,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:38:33,041 INFO L87 Difference]: Start difference. First operand has 41 states, 39 states have (on average 1.8461538461538463) internal successors, (72), 40 states have internal predecessors, (72), 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) Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:33,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:33,341 INFO L93 Difference]: Finished difference Result 61 states and 95 transitions. [2024-11-09 05:38:33,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:38:33,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 05:38:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:33,354 INFO L225 Difference]: With dead ends: 61 [2024-11-09 05:38:33,355 INFO L226 Difference]: Without dead ends: 46 [2024-11-09 05:38:33,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:38:33,362 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:33,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-09 05:38:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2024-11-09 05:38:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 38 states have internal predecessors, (65), 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) [2024-11-09 05:38:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 65 transitions. [2024-11-09 05:38:33,410 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 65 transitions. Word has length 15 [2024-11-09 05:38:33,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:33,411 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 65 transitions. [2024-11-09 05:38:33,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-11-09 05:38:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:38:33,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:33,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:33,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:38:33,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 05:38:33,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:33,415 INFO L85 PathProgramCache]: Analyzing trace with hash -314109763, now seen corresponding path program 2 times [2024-11-09 05:38:33,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:33,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269793729] [2024-11-09 05:38:33,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:33,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:38:33,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:33,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269793729] [2024-11-09 05:38:33,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269793729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:33,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:33,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:38:33,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341388696] [2024-11-09 05:38:33,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:33,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:38:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:33,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:38:33,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:38:33,968 INFO L87 Difference]: Start difference. First operand 39 states and 65 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:34,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:34,232 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2024-11-09 05:38:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:38:34,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 05:38:34,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:34,234 INFO L225 Difference]: With dead ends: 56 [2024-11-09 05:38:34,237 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 05:38:34,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:38:34,239 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 32 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:34,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:34,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 05:38:34,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2024-11-09 05:38:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 31 states have internal predecessors, (50), 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) [2024-11-09 05:38:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 50 transitions. [2024-11-09 05:38:34,254 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 50 transitions. Word has length 15 [2024-11-09 05:38:34,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:34,255 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 50 transitions. [2024-11-09 05:38:34,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-09 05:38:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:38:34,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:34,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:34,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:38:34,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 05:38:34,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash -2055387843, now seen corresponding path program 3 times [2024-11-09 05:38:34,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:34,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683962178] [2024-11-09 05:38:34,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:34,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:38:34,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683962178] [2024-11-09 05:38:34,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683962178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:34,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:34,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:38:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866644687] [2024-11-09 05:38:34,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:34,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:38:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:34,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:38:34,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:38:34,703 INFO L87 Difference]: Start difference. First operand 32 states and 50 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:34,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:34,905 INFO L93 Difference]: Finished difference Result 39 states and 56 transitions. [2024-11-09 05:38:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:38:34,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 05:38:34,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:34,907 INFO L225 Difference]: With dead ends: 39 [2024-11-09 05:38:34,907 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 05:38:34,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:38:34,909 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 27 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:34,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 2 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:38:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 05:38:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 05:38:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-11-09 05:38:34,914 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 15 [2024-11-09 05:38:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:34,914 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-11-09 05:38:34,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-09 05:38:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:38:34,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:38:34,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:38:34,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:38:34,916 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-09 05:38:34,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:38:34,917 INFO L85 PathProgramCache]: Analyzing trace with hash -320650869, now seen corresponding path program 4 times [2024-11-09 05:38:34,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:38:34,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820866116] [2024-11-09 05:38:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:38:34,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:38:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:38:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:38:35,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:38:35,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820866116] [2024-11-09 05:38:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820866116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:38:35,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:38:35,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:38:35,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856503568] [2024-11-09 05:38:35,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:38:35,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:38:35,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:38:35,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:38:35,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:38:35,161 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:35,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:38:35,219 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2024-11-09 05:38:35,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:38:35,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 05:38:35,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:38:35,220 INFO L225 Difference]: With dead ends: 20 [2024-11-09 05:38:35,221 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:38:35,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:38:35,223 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:38:35,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:38:35,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:38:35,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:38:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-09 05:38:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:38:35,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2024-11-09 05:38:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:38:35,226 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:38:35,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:38:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:38:35,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:38:35,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-09 05:38:35,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-09 05:38:35,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-09 05:38:35,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-09 05:38:35,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-09 05:38:35,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:38:35,236 INFO L407 BasicCegarLoop]: Path program histogram: [4] [2024-11-09 05:38:35,240 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 05:38:35,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:38:35,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:38:35 BasicIcfg [2024-11-09 05:38:35,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:38:35,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:38:35,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:38:35,246 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:38:35,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:38:31" (3/4) ... [2024-11-09 05:38:35,250 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:38:35,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 05:38:35,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 05:38:35,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 05:38:35,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2024-11-09 05:38:35,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 05:38:35,266 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 05:38:35,266 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 05:38:35,381 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:38:35,381 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:38:35,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:38:35,382 INFO L158 Benchmark]: Toolchain (without parser) took 5165.98ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 107.2MB in the end (delta: -8.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-09 05:38:35,383 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:38:35,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.43ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 86.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:38:35,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.52ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 84.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:38:35,383 INFO L158 Benchmark]: Boogie Preprocessor took 45.29ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:38:35,384 INFO L158 Benchmark]: RCFGBuilder took 733.81ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 138.3MB in the end (delta: -55.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-09 05:38:35,384 INFO L158 Benchmark]: TraceAbstraction took 3833.54ms. Allocated memory is still 169.9MB. Free memory was 138.3MB in the beginning and 112.5MB in the end (delta: 25.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-09 05:38:35,384 INFO L158 Benchmark]: Witness Printer took 135.96ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:38:35,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.43ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 86.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.52ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 84.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.29ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 733.81ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 138.3MB in the end (delta: -55.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3833.54ms. Allocated memory is still 169.9MB. Free memory was 138.3MB in the beginning and 112.5MB in the end (delta: 25.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 135.96ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 59]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 31 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 3 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:38:35,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc6dbece-b5f2-4237-bd19-0f7c6b22540b/bin/utaipan-verify-YMUCfTKeje/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