./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:11,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:11,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 21:59:11,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:11,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:11,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:11,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:11,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:11,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:11,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:11,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:11,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:11,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:11,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:11,423 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:11,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:11,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:11,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:11,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:11,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:11,425 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:59:11,426 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:59:11,426 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 21:59:11,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:11,427 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:59:11,427 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:11,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:11,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:11,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:11,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:11,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:11,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:11,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:11,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:11,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:11,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:11,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:11,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:11,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:11,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:11,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:11,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:11,451 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2024-10-31 21:59:11,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:11,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:11,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:11,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:11,821 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:11,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i Unable to find full path for "g++" [2024-10-31 21:59:13,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:14,001 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:14,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-10-31 21:59:14,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data/5361d7f0c/7e5494c9a29647eb98b2e4680143ab87/FLAG68bb4d420 [2024-10-31 21:59:14,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data/5361d7f0c/7e5494c9a29647eb98b2e4680143ab87 [2024-10-31 21:59:14,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:14,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:14,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:14,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:14,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:14,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:14,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dda0536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14, skipping insertion in model container [2024-10-31 21:59:14,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:14,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:14,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:14,883 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:14,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:14,997 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:14,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14 WrapperNode [2024-10-31 21:59:14,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:14,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:14,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:14,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:15,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,052 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-31 21:59:15,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:15,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:15,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:15,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:15,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,092 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-10-31 21:59:15,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:15,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:15,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:15,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:15,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (1/1) ... [2024-10-31 21:59:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:15,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:15,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:15,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 21:59:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 21:59:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 21:59:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:59:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:59:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:59:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 21:59:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:15,210 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:59:15,394 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:15,397 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:15,631 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:59:15,631 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:15,815 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:15,816 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:59:15,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:15 BoogieIcfgContainer [2024-10-31 21:59:15,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:15,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:15,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:15,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:15,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:14" (1/3) ... [2024-10-31 21:59:15,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1867f2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:15, skipping insertion in model container [2024-10-31 21:59:15,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:14" (2/3) ... [2024-10-31 21:59:15,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1867f2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:15, skipping insertion in model container [2024-10-31 21:59:15,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:15" (3/3) ... [2024-10-31 21:59:15,840 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-10-31 21:59:15,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:15,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:59:15,860 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:59:15,908 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 21:59:15,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-10-31 21:59:16,019 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-10-31 21:59:16,021 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:59:16,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-10-31 21:59:16,026 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-10-31 21:59:16,030 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-10-31 21:59:16,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:16,055 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=PETRI_NET, 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;@5d954118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:16,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-31 21:59:16,063 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:59:16,063 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-10-31 21:59:16,063 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:16,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:16,064 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:16,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 21:59:16,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash 265752604, now seen corresponding path program 1 times [2024-10-31 21:59:16,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:16,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691852854] [2024-10-31 21:59:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:16,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:16,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:16,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:59:16,281 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:59:16,282 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-10-31 21:59:16,283 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-10-31 21:59:16,283 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-31 21:59:16,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:16,284 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:59:16,314 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:59:16,314 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:59:16,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:59:16 BasicIcfg [2024-10-31 21:59:16,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:59:16,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:59:16,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:59:16,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:59:16,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:15" (3/4) ... [2024-10-31 21:59:16,329 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:59:16,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:59:16,332 INFO L158 Benchmark]: Toolchain (without parser) took 1987.88ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 59.0MB in the beginning and 108.3MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:16,333 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:16,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.88ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 58.9MB in the beginning and 104.3MB in the end (delta: -45.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:59:16,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.52ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:16,336 INFO L158 Benchmark]: Boogie Preprocessor took 63.27ms. Allocated memory is still 155.2MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:16,337 INFO L158 Benchmark]: RCFGBuilder took 699.02ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 75.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:16,339 INFO L158 Benchmark]: TraceAbstraction took 503.19ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 109.3MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:16,339 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 108.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:16,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.88ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 58.9MB in the beginning and 104.3MB in the end (delta: -45.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.52ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.27ms. Allocated memory is still 155.2MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.02ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 75.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 503.19ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 109.3MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 108.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 47 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 21:59:16,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:18,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:19,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-31 21:59:19,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:19,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:19,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:19,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:19,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:19,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:19,116 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:19,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:19,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:19,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:19,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:19,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:19,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:19,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:19,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:19,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:19,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:19,124 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:59:19,125 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:59:19,126 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 21:59:19,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:19,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:59:19,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:59:19,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:19,127 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:59:19,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:19,127 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:19,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:19,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:19,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:19,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:19,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:19,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:19,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:19,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:19,146 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:59:19,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:59:19,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:19,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:19,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:19,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:19,156 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:59:19,156 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2024-10-31 21:59:19,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:19,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:19,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:19,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:19,631 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:19,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i Unable to find full path for "g++" [2024-10-31 21:59:21,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:21,962 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:21,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-10-31 21:59:21,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data/6f8e3316a/2184627478c94e17a3d01dedc6cdb80e/FLAG8e2e2ca4c [2024-10-31 21:59:22,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/data/6f8e3316a/2184627478c94e17a3d01dedc6cdb80e [2024-10-31 21:59:22,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:22,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:22,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:22,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:22,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:22,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1cabe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22, skipping insertion in model container [2024-10-31 21:59:22,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:22,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:22,582 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:22,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:22,733 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:22,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22 WrapperNode [2024-10-31 21:59:22,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:22,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:22,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:22,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:22,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,821 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-10-31 21:59:22,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:22,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:22,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:22,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:22,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,854 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-10-31 21:59:22,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:22,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:22,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:22,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:22,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (1/1) ... [2024-10-31 21:59:22,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:22,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:22,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 21:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 21:59:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 21:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 21:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-31 21:59:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-31 21:59:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-31 21:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-10-31 21:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 21:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:22,958 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:59:23,162 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:23,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:23,390 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:59:23,391 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:23,605 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:23,605 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:59:23,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:23 BoogieIcfgContainer [2024-10-31 21:59:23,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:23,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:23,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:23,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:23,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:22" (1/3) ... [2024-10-31 21:59:23,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e257e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:23, skipping insertion in model container [2024-10-31 21:59:23,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:22" (2/3) ... [2024-10-31 21:59:23,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e257e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:23, skipping insertion in model container [2024-10-31 21:59:23,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:23" (3/3) ... [2024-10-31 21:59:23,618 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-10-31 21:59:23,636 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:23,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:59:23,637 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:59:23,685 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 21:59:23,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-10-31 21:59:23,764 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-10-31 21:59:23,766 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:59:23,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-10-31 21:59:23,772 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-10-31 21:59:23,775 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-10-31 21:59:23,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:23,799 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=PETRI_NET, 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;@338b9f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:23,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-31 21:59:23,810 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:59:23,810 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-10-31 21:59:23,810 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:59:23,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:59:23,811 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:23,811 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 21:59:23,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:23,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1290580252, now seen corresponding path program 1 times [2024-10-31 21:59:23,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:23,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403672084] [2024-10-31 21:59:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:23,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:59:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:23,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 21:59:23,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 21:59:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:23,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:59:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:59:23,985 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 21:59:23,987 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:59:23,988 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-10-31 21:59:23,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-10-31 21:59:23,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-31 21:59:23,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 21:59:24,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 21:59:24,194 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 21:59:24,224 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 21:59:24,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:59:24,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:59:24 BasicIcfg [2024-10-31 21:59:24,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:59:24,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:59:24,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:59:24,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:59:24,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:23" (3/4) ... [2024-10-31 21:59:24,238 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:59:24,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:59:24,240 INFO L158 Benchmark]: Toolchain (without parser) took 2231.42ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 55.0MB in the beginning and 51.0MB in the end (delta: 4.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-10-31 21:59:24,241 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:24,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.69ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 54.7MB in the beginning and 85.0MB in the end (delta: -30.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-10-31 21:59:24,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.57ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:24,244 INFO L158 Benchmark]: Boogie Preprocessor took 57.73ms. Allocated memory is still 111.1MB. Free memory was 82.9MB in the beginning and 80.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:24,245 INFO L158 Benchmark]: RCFGBuilder took 726.12ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 74.6MB in the end (delta: 5.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:24,247 INFO L158 Benchmark]: TraceAbstraction took 623.29ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 51.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:24,247 INFO L158 Benchmark]: Witness Printer took 6.61ms. Allocated memory is still 111.1MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:24,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.69ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 54.7MB in the beginning and 85.0MB in the end (delta: -30.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.57ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.73ms. Allocated memory is still 111.1MB. Free memory was 82.9MB in the beginning and 80.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 726.12ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 74.6MB in the end (delta: 5.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 623.29ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 51.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.61ms. Allocated memory is still 111.1MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 47 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 21:59:24,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92eb428b-b3f8-4fc5-b2d8-0a4537e189fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample