./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro --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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- 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-8393723 [2022-11-18 20:30:35,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:30:35,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:30:35,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:30:35,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:30:35,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:30:35,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:30:35,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:30:35,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:30:35,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:30:35,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:30:35,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:30:35,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:30:36,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:30:36,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:30:36,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:30:36,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:30:36,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:30:36,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:30:36,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:30:36,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:30:36,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:30:36,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:30:36,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:30:36,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:30:36,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:30:36,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:30:36,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:30:36,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:30:36,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:30:36,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:30:36,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:30:36,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:30:36,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:30:36,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:30:36,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:30:36,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:30:36,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:30:36,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:30:36,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:30:36,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:30:36,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 20:30:36,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:30:36,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:30:36,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:30:36,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:30:36,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:30:36,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:30:36,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:30:36,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:30:36,098 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:30:36,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:30:36,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:30:36,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:30:36,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:30:36,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:30:36,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:30:36,101 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 20:30:36,101 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 20:30:36,102 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 20:30:36,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:30:36,102 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:30:36,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:30:36,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:30:36,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:30:36,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:30:36,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:30:36,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:36,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:30:36,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:30:36,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:30:36,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:30:36,106 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_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-11-18 20:30:36,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:30:36,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:30:36,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:30:36,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:30:36,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:30:36,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-18 20:30:36,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/97bed1c8a/d7b04abb052f480aaee40f60be46e09c/FLAGc367e08c7 [2022-11-18 20:30:37,192 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:30:37,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-18 20:30:37,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/97bed1c8a/d7b04abb052f480aaee40f60be46e09c/FLAGc367e08c7 [2022-11-18 20:30:37,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/97bed1c8a/d7b04abb052f480aaee40f60be46e09c [2022-11-18 20:30:37,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:30:37,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:30:37,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:37,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:30:37,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:30:37,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:37" (1/1) ... [2022-11-18 20:30:37,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b72273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:37, skipping insertion in model container [2022-11-18 20:30:37,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:37" (1/1) ... [2022-11-18 20:30:37,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:30:37,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:30:37,752 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-18 20:30:37,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:37,966 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:30:37,981 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-18 20:30:38,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:38,093 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:30:38,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38 WrapperNode [2022-11-18 20:30:38,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:38,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:38,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:30:38,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:30:38,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,171 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-18 20:30:38,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:38,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:30:38,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:30:38,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:30:38,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:30:38,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:30:38,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:30:38,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:30:38,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (1/1) ... [2022-11-18 20:30:38,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:38,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:38,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:38,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:30:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:30:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 20:30:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 20:30:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:30:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:30:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:30:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:30:38,329 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:30:38,496 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:30:38,498 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:30:38,689 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:30:38,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:30:38,707 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:30:38,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:38 BoogieIcfgContainer [2022-11-18 20:30:38,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:30:38,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:30:38,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:30:38,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:30:38,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:30:37" (1/3) ... [2022-11-18 20:30:38,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9a835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:38, skipping insertion in model container [2022-11-18 20:30:38,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:38" (2/3) ... [2022-11-18 20:30:38,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9a835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:38, skipping insertion in model container [2022-11-18 20:30:38,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:38" (3/3) ... [2022-11-18 20:30:38,723 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-18 20:30:38,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:30:38,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-18 20:30:38,752 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:30:38,850 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 20:30:38,893 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 20:30:38,913 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 79 transitions, 166 flow [2022-11-18 20:30:38,916 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 79 transitions, 166 flow [2022-11-18 20:30:38,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 79 transitions, 166 flow [2022-11-18 20:30:39,015 INFO L130 PetriNetUnfolder]: 1/78 cut-off events. [2022-11-18 20:30:39,016 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:30:39,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 78 events. 1/78 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2022-11-18 20:30:39,025 INFO L119 LiptonReduction]: Number of co-enabled transitions 504 [2022-11-18 20:30:43,010 INFO L134 LiptonReduction]: Checked pairs total: 1592 [2022-11-18 20:30:43,010 INFO L136 LiptonReduction]: Total number of compositions: 74 [2022-11-18 20:30:43,020 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 22 transitions, 52 flow [2022-11-18 20:30:43,036 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 69 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 68 states have internal predecessors, (116), 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) [2022-11-18 20:30:43,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:30:43,063 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;@2494b2e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:30:43,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-18 20:30:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 68 states have internal predecessors, (116), 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) [2022-11-18 20:30:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-18 20:30:43,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:43,073 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-18 20:30:43,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-11-18 20:30:43,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:43,079 INFO L85 PathProgramCache]: Analyzing trace with hash 282, now seen corresponding path program 1 times [2022-11-18 20:30:43,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:43,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868463692] [2022-11-18 20:30:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:43,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:43,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:43,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868463692] [2022-11-18 20:30:43,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868463692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:43,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:43,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-18 20:30:43,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505170346] [2022-11-18 20:30:43,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:43,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:30:43,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:43,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:30:43,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:30:43,274 INFO L87 Difference]: Start difference. First operand has 69 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 68 states have internal predecessors, (116), 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) [2022-11-18 20:30:43,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:43,327 INFO L93 Difference]: Finished difference Result 67 states and 114 transitions. [2022-11-18 20:30:43,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:30:43,330 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 [2022-11-18 20:30:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:43,340 INFO L225 Difference]: With dead ends: 67 [2022-11-18 20:30:43,340 INFO L226 Difference]: Without dead ends: 67 [2022-11-18 20:30:43,342 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 [2022-11-18 20:30:43,346 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:43,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:30:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-18 20:30:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-18 20:30:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.8095238095238095) internal successors, (114), 66 states have internal predecessors, (114), 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) [2022-11-18 20:30:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 114 transitions. [2022-11-18 20:30:43,389 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 114 transitions. Word has length 1 [2022-11-18 20:30:43,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:43,389 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 114 transitions. [2022-11-18 20:30:43,390 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) [2022-11-18 20:30:43,390 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2022-11-18 20:30:43,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:30:43,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:43,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:30:43,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:30:43,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-11-18 20:30:43,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:43,392 INFO L85 PathProgramCache]: Analyzing trace with hash 8609501, now seen corresponding path program 1 times [2022-11-18 20:30:43,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:43,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131369676] [2022-11-18 20:30:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:43,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:30:43,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:30:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:30:43,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:30:43,482 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:30:43,484 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2022-11-18 20:30:43,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2022-11-18 20:30:43,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2022-11-18 20:30:43,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2022-11-18 20:30:43,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2022-11-18 20:30:43,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2022-11-18 20:30:43,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2022-11-18 20:30:43,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:30:43,492 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:30:43,497 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:30:43,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:30:43,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:30:43 BasicIcfg [2022-11-18 20:30:43,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:30:43,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:30:43,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:30:43,519 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:30:43,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:38" (3/4) ... [2022-11-18 20:30:43,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:30:43,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:30:43,524 INFO L158 Benchmark]: Toolchain (without parser) took 6059.12ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 96.9MB in the beginning and 85.8MB in the end (delta: 11.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-11-18 20:30:43,525 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 138.4MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:43,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.44ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 103.2MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:30:43,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.08ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:43,527 INFO L158 Benchmark]: Boogie Preprocessor took 41.81ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 99.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:43,527 INFO L158 Benchmark]: RCFGBuilder took 495.36ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 86.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:30:43,528 INFO L158 Benchmark]: TraceAbstraction took 4805.02ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 5.4kB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-18 20:30:43,529 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 176.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:43,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 138.4MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.44ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 103.2MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.08ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.81ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 99.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.36ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 86.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4805.02ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 5.4kB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 176.2MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 82 PlacesBefore, 26 PlacesAfterwards, 79 TransitionsBefore, 22 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 6 FixpointIterations, 51 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 1592 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 958, independent: 808, independent conditional: 0, independent unconditional: 808, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 449, independent: 406, independent conditional: 0, independent unconditional: 406, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 449, independent: 380, independent conditional: 0, independent unconditional: 380, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 958, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 107, dependent conditional: 0, dependent unconditional: 107, unknown: 449, unknown conditional: 0, unknown unconditional: 449] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L681] 0 int glob1 = 0; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 14 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=69occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:30:43,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro --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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- 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-8393723 [2022-11-18 20:30:46,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:30:46,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:30:46,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:30:46,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:30:46,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:30:46,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:30:46,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:30:46,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:30:46,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:30:46,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:30:46,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:30:46,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:30:46,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:30:46,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:30:46,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:30:46,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:30:46,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:30:46,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:30:46,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:30:46,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:30:46,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:30:46,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:30:46,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:30:46,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:30:46,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:30:46,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:30:46,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:30:46,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:30:46,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:30:46,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:30:46,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:30:46,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:30:46,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:30:46,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:30:46,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:30:46,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:30:46,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:30:46,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:30:46,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:30:46,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:30:46,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 20:30:46,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:30:46,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:30:46,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:30:46,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:30:46,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:30:46,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:30:46,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:30:46,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:30:46,243 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:30:46,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:30:46,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:30:46,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:30:46,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:30:46,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:30:46,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:30:46,245 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 20:30:46,246 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 20:30:46,246 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 20:30:46,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:30:46,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:30:46,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:30:46,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:30:46,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:30:46,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:30:46,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:30:46,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:30:46,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:30:46,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:46,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:30:46,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:30:46,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:30:46,250 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:30:46,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:30:46,250 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-11-18 20:30:46,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:30:46,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:30:46,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:30:46,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:30:46,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:30:46,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-18 20:30:46,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/b71bdfc17/75f8591f6b054102b1b9450b45b70f79/FLAG33a21c98d [2022-11-18 20:30:47,484 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:30:47,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-18 20:30:47,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/b71bdfc17/75f8591f6b054102b1b9450b45b70f79/FLAG33a21c98d [2022-11-18 20:30:47,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/data/b71bdfc17/75f8591f6b054102b1b9450b45b70f79 [2022-11-18 20:30:47,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:30:47,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:30:47,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:47,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:30:47,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:30:47,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:47" (1/1) ... [2022-11-18 20:30:47,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5112fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:47, skipping insertion in model container [2022-11-18 20:30:47,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:47" (1/1) ... [2022-11-18 20:30:47,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:30:47,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:30:48,030 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-18 20:30:48,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:48,269 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:30:48,293 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-18 20:30:48,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:48,396 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:30:48,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48 WrapperNode [2022-11-18 20:30:48,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:48,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:48,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:30:48,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:30:48,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,460 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-18 20:30:48,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:48,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:30:48,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:30:48,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:30:48,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:30:48,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:30:48,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:30:48,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:30:48,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (1/1) ... [2022-11-18 20:30:48,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:48,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:48,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:48,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:30:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:30:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:30:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:30:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:30:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 20:30:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 20:30:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:30:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:30:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:30:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 20:30:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:30:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:30:48,611 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:30:48,821 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:30:48,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:30:49,106 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:30:49,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:30:49,128 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:30:49,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:49 BoogieIcfgContainer [2022-11-18 20:30:49,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:30:49,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:30:49,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:30:49,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:30:49,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:30:47" (1/3) ... [2022-11-18 20:30:49,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64dea6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:49, skipping insertion in model container [2022-11-18 20:30:49,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:48" (2/3) ... [2022-11-18 20:30:49,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64dea6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:49, skipping insertion in model container [2022-11-18 20:30:49,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:49" (3/3) ... [2022-11-18 20:30:49,155 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-18 20:30:49,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:30:49,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-18 20:30:49,178 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:30:49,243 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 20:30:49,285 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-18 20:30:49,304 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 80 transitions, 168 flow [2022-11-18 20:30:49,308 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 80 transitions, 168 flow [2022-11-18 20:30:49,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 80 transitions, 168 flow [2022-11-18 20:30:49,384 INFO L130 PetriNetUnfolder]: 1/79 cut-off events. [2022-11-18 20:30:49,388 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:30:49,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 79 events. 1/79 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2022-11-18 20:30:49,401 INFO L119 LiptonReduction]: Number of co-enabled transitions 504 [2022-11-18 20:30:56,173 INFO L134 LiptonReduction]: Checked pairs total: 1770 [2022-11-18 20:30:56,173 INFO L136 LiptonReduction]: Total number of compositions: 71 [2022-11-18 20:30:56,192 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 22 transitions, 52 flow [2022-11-18 20:30:56,215 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 69 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 68 states have internal predecessors, (116), 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) [2022-11-18 20:30:56,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:30:56,241 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;@6051b09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:30:56,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-18 20:30:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 68 states have internal predecessors, (116), 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) [2022-11-18 20:30:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-18 20:30:56,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:56,250 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-18 20:30:56,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-11-18 20:30:56,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:56,257 INFO L85 PathProgramCache]: Analyzing trace with hash 281, now seen corresponding path program 1 times [2022-11-18 20:30:56,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:30:56,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012378128] [2022-11-18 20:30:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:56,271 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 [2022-11-18 20:30:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:30:56,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:30:56,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:30:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 20:30:56,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:30:56,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:30:56,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:30:56,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012378128] [2022-11-18 20:30:56,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012378128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:56,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:56,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-18 20:30:56,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171687949] [2022-11-18 20:30:56,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:56,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:30:56,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:30:56,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:30:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:30:56,408 INFO L87 Difference]: Start difference. First operand has 69 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 68 states have internal predecessors, (116), 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) [2022-11-18 20:30:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:56,496 INFO L93 Difference]: Finished difference Result 67 states and 114 transitions. [2022-11-18 20:30:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:30:56,499 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 [2022-11-18 20:30:56,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:56,510 INFO L225 Difference]: With dead ends: 67 [2022-11-18 20:30:56,510 INFO L226 Difference]: Without dead ends: 67 [2022-11-18 20:30:56,511 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 [2022-11-18 20:30:56,514 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:56,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:30:56,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-18 20:30:56,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-18 20:30:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.8095238095238095) internal successors, (114), 66 states have internal predecessors, (114), 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) [2022-11-18 20:30:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 114 transitions. [2022-11-18 20:30:56,558 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 114 transitions. Word has length 1 [2022-11-18 20:30:56,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:56,559 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 114 transitions. [2022-11-18 20:30:56,559 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) [2022-11-18 20:30:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2022-11-18 20:30:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:30:56,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:56,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:30:56,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:56,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:30:56,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-11-18 20:30:56,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:56,774 INFO L85 PathProgramCache]: Analyzing trace with hash 8581602, now seen corresponding path program 1 times [2022-11-18 20:30:56,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:30:56,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479309213] [2022-11-18 20:30:56,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:56,775 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 [2022-11-18 20:30:56,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:30:56,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:30:56,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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 (3)] Waiting until timeout for monitored process [2022-11-18 20:30:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:30:56,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:30:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:30:56,978 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 20:30:56,978 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:30:56,981 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2022-11-18 20:30:56,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2022-11-18 20:30:56,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2022-11-18 20:30:56,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2022-11-18 20:30:56,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2022-11-18 20:30:57,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2022-11-18 20:30:57,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2022-11-18 20:30:57,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:57,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:30:57,203 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:30:57,207 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:30:57,207 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:30:57,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:30:57 BasicIcfg [2022-11-18 20:30:57,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:30:57,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:30:57,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:30:57,236 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:30:57,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:49" (3/4) ... [2022-11-18 20:30:57,240 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:30:57,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:30:57,245 INFO L158 Benchmark]: Toolchain (without parser) took 9452.80ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 38.4MB in the end (delta: 20.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-11-18 20:30:57,245 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:57,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.56ms. Allocated memory is still 75.5MB. Free memory was 58.4MB in the beginning and 50.1MB in the end (delta: 8.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:57,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.06ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 47.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:57,251 INFO L158 Benchmark]: Boogie Preprocessor took 51.52ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:57,254 INFO L158 Benchmark]: RCFGBuilder took 616.75ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 31.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:30:57,259 INFO L158 Benchmark]: TraceAbstraction took 8082.51ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 38.4MB in the end (delta: 19.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-11-18 20:30:57,259 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 100.7MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:57,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.56ms. Allocated memory is still 75.5MB. Free memory was 58.4MB in the beginning and 50.1MB in the end (delta: 8.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.06ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 47.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.52ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 616.75ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 31.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8082.51ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 38.4MB in the end (delta: 19.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 100.7MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 83 PlacesBefore, 26 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 71 TotalNumberOfCompositions, 1770 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1135, independent: 959, independent conditional: 0, independent unconditional: 959, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 465, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 465, independent: 394, independent conditional: 0, independent unconditional: 394, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 463, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 317, dependent conditional: 0, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1135, independent: 538, independent conditional: 0, independent unconditional: 538, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 465, unknown conditional: 0, unknown unconditional: 465] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L681] 0 int glob1 = 0; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={7:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 14 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=69occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3 ConjunctsInSsa, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:30:57,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd131841-0126-4f04-a9f5-990987c5f3f4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample