./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:23:48,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:23:48,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:23:48,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:23:48,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:23:48,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:23:48,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:23:48,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:23:48,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:23:48,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:23:48,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:23:48,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:23:48,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:23:48,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:23:48,675 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:23:48,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:23:48,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:23:48,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:23:48,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:23:48,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:23:48,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:23:48,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:23:48,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:23:48,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:23:48,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:23:48,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:23:48,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:23:48,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:23:48,679 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2024-11-07 19:23:48,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:23:48,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:23:48,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:23:48,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:23:48,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:23:48,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-07 19:23:50,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:23:50,512 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:23:50,516 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-07 19:23:50,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8e5b018e/6fbf2d5911714753bab8ce90f44628fc/FLAGea0accef6 [2024-11-07 19:23:50,556 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8e5b018e/6fbf2d5911714753bab8ce90f44628fc [2024-11-07 19:23:50,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:23:50,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:23:50,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:23:50,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:23:50,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:23:50,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:50,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497b486a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50, skipping insertion in model container [2024-11-07 19:23:50,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:50,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:23:50,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:23:50,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:23:50,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:23:50,961 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:23:50,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50 WrapperNode [2024-11-07 19:23:50,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:23:50,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:23:50,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:23:50,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:23:50,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:50,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,004 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-07 19:23:51,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:23:51,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:23:51,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:23:51,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:23:51,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,033 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-07 19:23:51,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:23:51,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:23:51,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:23:51,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:23:51,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (1/1) ... [2024-11-07 19:23:51,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:23:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:23:51,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:23:51,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:23:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 19:23:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 19:23:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 19:23:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:23:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:23:51,105 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 19:23:51,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:23:51,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:23:51,349 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:23:51,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:23:51,461 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:23:51,461 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:23:51,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:51 BoogieIcfgContainer [2024-11-07 19:23:51,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:23:51,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:23:51,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:23:51,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:23:51,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:23:50" (1/3) ... [2024-11-07 19:23:51,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ea9b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:23:51, skipping insertion in model container [2024-11-07 19:23:51,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:50" (2/3) ... [2024-11-07 19:23:51,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ea9b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:23:51, skipping insertion in model container [2024-11-07 19:23:51,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:51" (3/3) ... [2024-11-07 19:23:51,473 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2024-11-07 19:23:51,483 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:23:51,483 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 19:23:51,483 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:23:51,534 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 19:23:51,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-07 19:23:51,588 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-07 19:23:51,594 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 19:23:51,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-07 19:23:51,599 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-07 19:23:51,601 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-07 19:23:51,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:23:51,619 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;@5bf9f8d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:23:51,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 19:23:51,630 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:23:51,630 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-07 19:23:51,630 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:23:51,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:23:51,631 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:23:51,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-07 19:23:51,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:23:51,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-07 19:23:51,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:23:51,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395627222] [2024-11-07 19:23:51,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:23:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:23:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:23:51,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 19:23:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:23:51,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 19:23:51,777 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 19:23:51,778 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-07 19:23:51,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-07 19:23:51,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-07 19:23:51,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-07 19:23:51,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:23:51,783 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 19:23:51,806 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:23:51,806 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:23:51,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:23:51 BasicIcfg [2024-11-07 19:23:51,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:23:51,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:23:51,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:23:51,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:23:51,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:51" (3/4) ... [2024-11-07 19:23:51,814 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 19:23:51,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:23:51,816 INFO L158 Benchmark]: Toolchain (without parser) took 1256.09ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.3MB in the end (delta: 16.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-07 19:23:51,816 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:51,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.70ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 71.8MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:23:51,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.68ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:23:51,818 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 68.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:51,818 INFO L158 Benchmark]: RCFGBuilder took 412.50ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 49.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:23:51,818 INFO L158 Benchmark]: TraceAbstraction took 346.00ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 74.3MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:51,819 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:51,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.70ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 71.8MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.68ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 68.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.50ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 49.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 346.00ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 74.3MB in the end (delta: -25.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=-1, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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 [2024-11-07 19:23:51,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:23:53,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:23:53,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-07 19:23:53,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:23:53,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:23:54,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:23:54,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:23:54,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:23:54,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:23:54,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:23:54,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:23:54,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:23:54,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:23:54,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:23:54,007 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:23:54,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:23:54,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:23:54,008 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:23:54,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:23:54,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:23:54,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:23:54,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:23:54,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:23:54,011 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2024-11-07 19:23:54,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:23:54,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:23:54,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:23:54,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:23:54,306 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:23:54,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-07 19:23:55,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:23:55,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:23:55,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-07 19:23:55,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b9340f5e/1a0fd444334c47e784ff552ff1b60b53/FLAGadc546681 [2024-11-07 19:23:55,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b9340f5e/1a0fd444334c47e784ff552ff1b60b53 [2024-11-07 19:23:55,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:23:55,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:23:55,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:23:55,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:23:55,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:23:55,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:55" (1/1) ... [2024-11-07 19:23:55,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d5a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:55, skipping insertion in model container [2024-11-07 19:23:55,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:55" (1/1) ... [2024-11-07 19:23:55,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:23:56,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:23:56,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:23:56,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:23:56,256 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:23:56,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56 WrapperNode [2024-11-07 19:23:56,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:23:56,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:23:56,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:23:56,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:23:56,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,309 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-07 19:23:56,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:23:56,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:23:56,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:23:56,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:23:56,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,336 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-07 19:23:56,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:23:56,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:23:56,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:23:56,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:23:56,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (1/1) ... [2024-11-07 19:23:56,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:23:56,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:23:56,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:23:56,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:23:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 19:23:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:23:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 19:23:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 19:23:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 19:23:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 19:23:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-07 19:23:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-07 19:23:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 19:23:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:23:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:23:56,427 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 19:23:56,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:23:56,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:23:56,725 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:23:56,726 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:23:56,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:23:56,902 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:23:56,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:56 BoogieIcfgContainer [2024-11-07 19:23:56,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:23:56,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:23:56,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:23:56,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:23:56,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:23:55" (1/3) ... [2024-11-07 19:23:56,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0de183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:23:56, skipping insertion in model container [2024-11-07 19:23:56,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:56" (2/3) ... [2024-11-07 19:23:56,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0de183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:23:56, skipping insertion in model container [2024-11-07 19:23:56,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:56" (3/3) ... [2024-11-07 19:23:56,912 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2024-11-07 19:23:56,925 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:23:56,926 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 19:23:56,926 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:23:56,973 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 19:23:57,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-07 19:23:57,032 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-07 19:23:57,035 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 19:23:57,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-07 19:23:57,038 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-07 19:23:57,040 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-07 19:23:57,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:23:57,066 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;@7d17dea4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:23:57,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 19:23:57,074 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:23:57,074 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-07 19:23:57,075 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:23:57,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:23:57,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:23:57,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-07 19:23:57,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:23:57,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-07 19:23:57,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:23:57,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737769660] [2024-11-07 19:23:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:23:57,087 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 [2024-11-07 19:23:57,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:23:57,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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) [2024-11-07 19:23:57,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2024-11-07 19:23:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:23:57,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 19:23:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:23:57,229 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 19:23:57,230 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 19:23:57,231 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-07 19:23:57,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-07 19:23:57,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-07 19:23:57,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-07 19:23:57,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2024-11-07 19:23:57,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2024-11-07 19:23:57,437 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 19:23:57,458 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:23:57,459 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:23:57,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:23:57 BasicIcfg [2024-11-07 19:23:57,465 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:23:57,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:23:57,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:23:57,466 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:23:57,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:56" (3/4) ... [2024-11-07 19:23:57,469 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 19:23:57,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:23:57,480 INFO L158 Benchmark]: Toolchain (without parser) took 1627.17ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 26.5MB in the end (delta: 33.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-07 19:23:57,481 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:57,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.19ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 39.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:23:57,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.05ms. Allocated memory is still 83.9MB. Free memory was 39.7MB in the beginning and 38.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:23:57,482 INFO L158 Benchmark]: Boogie Preprocessor took 49.66ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 36.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:57,483 INFO L158 Benchmark]: RCFGBuilder took 542.86ms. Allocated memory is still 83.9MB. Free memory was 36.4MB in the beginning and 46.6MB in the end (delta: -10.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-07 19:23:57,483 INFO L158 Benchmark]: TraceAbstraction took 560.14ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 26.5MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:23:57,484 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 83.9MB. Free memory is still 26.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:23:57,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.19ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 39.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.05ms. Allocated memory is still 83.9MB. Free memory was 39.7MB in the beginning and 38.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.66ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 36.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.86ms. Allocated memory is still 83.9MB. Free memory was 36.4MB in the beginning and 46.6MB in the end (delta: -10.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 560.14ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 26.5MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 83.9MB. Free memory is still 26.5MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=0, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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 [2024-11-07 19:23:57,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample