./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --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 a0d4dc1bad36ea6a944d96610a1da4f49d6f4e54f23122f87b052f14d480b584 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:41:33,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:41:33,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:41:33,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:41:33,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:41:33,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:41:33,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:41:33,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:41:33,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:41:33,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:41:33,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:41:33,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:41:33,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:41:33,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:41:33,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:41:33,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:41:33,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:41:33,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:41:33,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:41:33,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:41:33,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:41:33,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:41:33,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:41:33,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:41:33,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:41:33,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:41:33,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:41:33,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:41:33,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:41:33,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:41:33,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:41:33,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:41:33,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:41:33,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:41:33,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:41:33,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:41:33,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:41:33,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:41:33,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:41:33,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:41:33,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:41:33,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 12:41:33,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:41:33,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:41:33,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:41:33,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:41:33,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:41:33,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:41:33,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:41:33,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:41:33,934 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:41:33,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:41:33,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:41:33,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:41:33,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:41:33,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:41:33,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:41:33,936 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:41:33,936 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:41:33,937 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:41:33,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:41:33,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:41:33,937 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:41:33,937 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:41:33,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:41:33,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:41:33,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:41:33,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:33,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:41:33,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:41:33,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:41:33,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:41:33,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0d4dc1bad36ea6a944d96610a1da4f49d6f4e54f23122f87b052f14d480b584 [2022-11-16 12:41:34,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:41:34,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:41:34,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:41:34,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:41:34,238 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:41:34,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2022-11-16 12:41:34,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/data/84c89d807/8971efa034fe4a479fc87f72868d702b/FLAG480f8e966 [2022-11-16 12:41:34,866 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:41:34,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2022-11-16 12:41:34,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/data/84c89d807/8971efa034fe4a479fc87f72868d702b/FLAG480f8e966 [2022-11-16 12:41:35,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/data/84c89d807/8971efa034fe4a479fc87f72868d702b [2022-11-16 12:41:35,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:41:35,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:41:35,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:35,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:41:35,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:41:35,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b88690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35, skipping insertion in model container [2022-11-16 12:41:35,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:41:35,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:41:35,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:35,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:41:35,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:35,826 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:41:35,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35 WrapperNode [2022-11-16 12:41:35,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:35,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:35,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:41:35,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:41:35,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,873 INFO L138 Inliner]: procedures = 263, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-11-16 12:41:35,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:35,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:41:35,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:41:35,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:41:35,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,896 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:41:35,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:41:35,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:41:35,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:41:35,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (1/1) ... [2022-11-16 12:41:35,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:35,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:35,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:35,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2022-11-16 12:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-11-16 12:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 12:41:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 12:41:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:41:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:41:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:41:35,997 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:41:36,237 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:41:36,239 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:41:36,435 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:41:36,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:41:36,442 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:41:36,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:36 BoogieIcfgContainer [2022-11-16 12:41:36,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:41:36,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:41:36,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:41:36,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:41:36,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:41:35" (1/3) ... [2022-11-16 12:41:36,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fbb317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:36, skipping insertion in model container [2022-11-16 12:41:36,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:35" (2/3) ... [2022-11-16 12:41:36,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fbb317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:36, skipping insertion in model container [2022-11-16 12:41:36,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:36" (3/3) ... [2022-11-16 12:41:36,460 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_54-pt_rwlock_ww.i [2022-11-16 12:41:36,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:41:36,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-16 12:41:36,480 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:41:36,532 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 12:41:36,566 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 12:41:36,582 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2022-11-16 12:41:36,585 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 158 flow [2022-11-16 12:41:36,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2022-11-16 12:41:36,639 INFO L130 PetriNetUnfolder]: 0/74 cut-off events. [2022-11-16 12:41:36,644 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:41:36,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-16 12:41:36,651 INFO L119 LiptonReduction]: Number of co-enabled transitions 286 [2022-11-16 12:41:40,376 INFO L134 LiptonReduction]: Checked pairs total: 233 [2022-11-16 12:41:40,377 INFO L136 LiptonReduction]: Total number of compositions: 75 [2022-11-16 12:41:40,399 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 12 transitions, 32 flow [2022-11-16 12:41:40,409 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:40,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:41:40,434 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@27493ad0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:41:40,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-16 12:41:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 12:41:40,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:40,443 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 12:41:40,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-11-16 12:41:40,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash 267, now seen corresponding path program 1 times [2022-11-16 12:41:40,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:40,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570828149] [2022-11-16 12:41:40,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:40,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:40,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:41:40,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570828149] [2022-11-16 12:41:40,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570828149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:40,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:40,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 12:41:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193908867] [2022-11-16 12:41:40,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:40,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:41:40,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:41:40,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:41:40,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:41:40,645 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:40,664 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2022-11-16 12:41:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:41:40,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-16 12:41:40,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:40,674 INFO L225 Difference]: With dead ends: 3 [2022-11-16 12:41:40,674 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:41:40,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:41:40,681 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:40,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:41:40,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:41:40,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:41:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:41:40,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-16 12:41:40,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:40,708 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:41:40,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:41:40,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:41:40,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2022-11-16 12:41:40,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2022-11-16 12:41:40,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2022-11-16 12:41:40,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2022-11-16 12:41:40,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (1 of 6 remaining) [2022-11-16 12:41:40,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2022-11-16 12:41:40,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:41:40,725 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 12:41:40,729 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:41:40,729 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:41:40,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:41:40 BasicIcfg [2022-11-16 12:41:40,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:41:40,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:41:40,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:41:40,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:41:40,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:36" (3/4) ... [2022-11-16 12:41:40,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:41:40,754 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-16 12:41:40,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 12:41:40,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:41:40,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:41:40,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:41:40,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:41:40,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:41:40,811 INFO L158 Benchmark]: Toolchain (without parser) took 5674.97ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 87.6MB in the beginning and 91.9MB in the end (delta: -4.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,811 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:41:40,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.34ms. Allocated memory is still 127.9MB. Free memory was 87.4MB in the beginning and 85.6MB in the end (delta: 1.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.04ms. Allocated memory is still 127.9MB. Free memory was 85.6MB in the beginning and 83.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,817 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 82.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,818 INFO L158 Benchmark]: RCFGBuilder took 537.73ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 68.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,818 INFO L158 Benchmark]: TraceAbstraction took 4288.47ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 67.7MB in the beginning and 95.1MB in the end (delta: -27.4MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,818 INFO L158 Benchmark]: Witness Printer took 73.73ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:41:40,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.34ms. Allocated memory is still 127.9MB. Free memory was 87.4MB in the beginning and 85.6MB in the end (delta: 1.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.04ms. Allocated memory is still 127.9MB. Free memory was 85.6MB in the beginning and 83.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 82.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.73ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 68.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4288.47ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 67.7MB in the beginning and 95.1MB in the end (delta: -27.4MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 73.73ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 79 PlacesBefore, 16 PlacesAfterwards, 75 TransitionsBefore, 12 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 75 TotalNumberOfCompositions, 233 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 225, independent: 224, independent conditional: 0, independent unconditional: 224, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 185, independent: 184, independent conditional: 0, independent unconditional: 184, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 185, independent: 175, independent conditional: 0, independent unconditional: 175, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 225, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 927]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:41:40,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88005b9b-2363-4b60-8851-cabb7e67f3d0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE