./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b09c85b7 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_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 --- 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-b09c85b [2022-11-08 07:41:58,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:41:58,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:41:58,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:41:58,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:41:58,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:41:58,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:41:58,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:41:58,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:41:58,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:41:58,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:41:58,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:41:58,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:41:58,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:41:58,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:41:58,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:41:58,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:41:58,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:41:58,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:41:58,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:41:58,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:41:58,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:41:58,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:41:58,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:41:58,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:41:58,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:41:58,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:41:58,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:41:58,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:41:58,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:41:58,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:41:58,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:41:58,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:41:58,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:41:58,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:41:58,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:41:58,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:41:58,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:41:58,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:41:58,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:41:58,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:41:58,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-08 07:41:58,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:41:58,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:41:58,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:41:58,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:41:58,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:41:58,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:41:58,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:41:58,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:41:58,228 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:41:58,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:41:58,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:41:58,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:41:58,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:41:58,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:41:58,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:41:58,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:41:58,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:41:58,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:41:58,231 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-08 07:41:58,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:41:58,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:41:58,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:41:58,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:41:58,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:41:58,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:41:58,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:41:58,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:41:58,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:58,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:41:58,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:41:58,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:41:58,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:41:58,236 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-08 07:41:58,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:41:58,236 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:41:58,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:41:58,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:41:58,237 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:41:58,238 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:41:58,238 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_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 [2022-11-08 07:41:58,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:41:58,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:41:58,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:41:58,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:41:58,545 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:41:58,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2022-11-08 07:41:58,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/data/2448ce50e/804dd665d54a4ced8566d21a0f5b39c6/FLAGfeec44451 [2022-11-08 07:41:59,235 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:41:59,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2022-11-08 07:41:59,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/data/2448ce50e/804dd665d54a4ced8566d21a0f5b39c6/FLAGfeec44451 [2022-11-08 07:41:59,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/data/2448ce50e/804dd665d54a4ced8566d21a0f5b39c6 [2022-11-08 07:41:59,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:41:59,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:41:59,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:59,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:41:59,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:41:59,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:59" (1/1) ... [2022-11-08 07:41:59,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1040fb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:59, skipping insertion in model container [2022-11-08 07:41:59,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:59" (1/1) ... [2022-11-08 07:41:59,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:41:59,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:42:00,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:42:00,243 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:42:00,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:42:00,362 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:42:00,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00 WrapperNode [2022-11-08 07:42:00,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:42:00,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:42:00,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:42:00,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:42:00,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,439 INFO L138 Inliner]: procedures = 262, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-08 07:42:00,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:42:00,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:42:00,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:42:00,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:42:00,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:42:00,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:42:00,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:42:00,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:42:00,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (1/1) ... [2022-11-08 07:42:00,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:42:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:00,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:00,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:42:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:42:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:42:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-08 07:42:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:42:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-08 07:42:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:42:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-08 07:42:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-08 07:42:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:42:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:42:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:42:00,588 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:42:00,786 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:42:00,789 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:42:00,999 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:42:01,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:42:01,007 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-08 07:42:01,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:01 BoogieIcfgContainer [2022-11-08 07:42:01,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:42:01,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:42:01,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:42:01,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:42:01,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:41:59" (1/3) ... [2022-11-08 07:42:01,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4256e288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:42:01, skipping insertion in model container [2022-11-08 07:42:01,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:00" (2/3) ... [2022-11-08 07:42:01,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4256e288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:42:01, skipping insertion in model container [2022-11-08 07:42:01,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:01" (3/3) ... [2022-11-08 07:42:01,019 INFO L112 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2022-11-08 07:42:01,028 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:42:01,039 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:42:01,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-08 07:42:01,039 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-08 07:42:01,102 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-08 07:42:01,149 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:01,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:42:01,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:42:01,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:42:01,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-08 07:42:01,197 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:42:01,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-08 07:42:01,218 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@162b65ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:42:01,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:42:01,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-08 07:42:01,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:01,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1002132670, now seen corresponding path program 1 times [2022-11-08 07:42:01,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:01,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881854045] [2022-11-08 07:42:01,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:01,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:01,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:01,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881854045] [2022-11-08 07:42:01,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881854045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:01,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:01,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:01,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773300967] [2022-11-08 07:42:01,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:01,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:01,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:01,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:01,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:01,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-08 07:42:01,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:01,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-08 07:42:01,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-08 07:42:01,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:01,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1079052076, now seen corresponding path program 1 times [2022-11-08 07:42:01,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:01,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881226862] [2022-11-08 07:42:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:42:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:42:02,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:42:02,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881226862] [2022-11-08 07:42:02,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881226862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:42:02,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:42:02,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:42:02,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980981541] [2022-11-08 07:42:02,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:42:02,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:42:02,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:42:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:42:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:42:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:02,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:42:02,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-11-08 07:42:02,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:42:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:42:02,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-08 07:42:02,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-08 07:42:02,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:42:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -909124446, now seen corresponding path program 1 times [2022-11-08 07:42:02,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:42:02,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846273252] [2022-11-08 07:42:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:42:02,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:42:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-08 07:42:02,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-08 07:42:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-08 07:42:02,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-08 07:42:02,229 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-08 07:42:02,232 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-08 07:42:02,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-11-08 07:42:02,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-08 07:42:02,249 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-08 07:42:02,254 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2022-11-08 07:42:02,261 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-08 07:42:02,261 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-08 07:42:02,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:42:02 BasicIcfg [2022-11-08 07:42:02,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-08 07:42:02,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-08 07:42:02,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-08 07:42:02,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-08 07:42:02,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:01" (3/4) ... [2022-11-08 07:42:02,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-08 07:42:02,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-08 07:42:02,335 INFO L158 Benchmark]: Toolchain (without parser) took 2782.10ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 49.5MB in the beginning and 50.4MB in the end (delta: -877.0kB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-08 07:42:02,338 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:42:02,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.42ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 49.3MB in the beginning and 74.9MB in the end (delta: -25.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-08 07:42:02,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.36ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 72.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:02,340 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 71.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:42:02,340 INFO L158 Benchmark]: RCFGBuilder took 529.29ms. Allocated memory is still 115.3MB. Free memory was 70.9MB in the beginning and 57.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-08 07:42:02,346 INFO L158 Benchmark]: TraceAbstraction took 1312.82ms. Allocated memory is still 115.3MB. Free memory was 56.7MB in the beginning and 50.4MB in the end (delta: 6.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-08 07:42:02,347 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 115.3MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:42:02,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.42ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 49.3MB in the beginning and 74.9MB in the end (delta: -25.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.36ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 72.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 71.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.29ms. Allocated memory is still 115.3MB. Free memory was 70.9MB in the beginning and 57.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.82ms. Allocated memory is still 115.3MB. Free memory was 56.7MB in the beginning and 50.4MB in the end (delta: 6.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 115.3MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330, positive: 305, positive conditional: 54, positive unconditional: 251, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319, positive: 305, positive conditional: 54, positive unconditional: 251, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319, positive: 305, positive conditional: 54, positive unconditional: 251, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, positive: 305, positive conditional: 2, positive unconditional: 303, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, positive: 305, positive conditional: 2, positive unconditional: 303, negative: 19, negative conditional: 1, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, positive: 305, positive conditional: 2, positive unconditional: 303, negative: 19, negative conditional: 1, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, positive: 252, positive conditional: 1, positive unconditional: 251, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 56, positive conditional: 3, positive unconditional: 52, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 324, positive: 53, positive conditional: 1, positive unconditional: 52, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 264, unknown conditional: 2, unknown unconditional: 262] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 252, Positive conditional cache size: 1, Positive unconditional cache size: 251, Negative cache size: 12, Negative conditional cache size: 1, Negative unconditional cache size: 11, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 48, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 261, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330, positive: 305, positive conditional: 54, positive unconditional: 251, negative: 25, negative conditional: 15, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319, positive: 305, positive conditional: 54, positive unconditional: 251, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319, positive: 305, positive conditional: 54, positive unconditional: 251, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, positive: 305, positive conditional: 2, positive unconditional: 303, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, positive: 305, positive conditional: 2, positive unconditional: 303, negative: 19, negative conditional: 1, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, positive: 305, positive conditional: 2, positive unconditional: 303, negative: 19, negative conditional: 1, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, positive: 252, positive conditional: 1, positive unconditional: 251, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 56, positive conditional: 3, positive unconditional: 52, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 324, positive: 53, positive conditional: 1, positive unconditional: 52, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 264, unknown conditional: 2, unknown unconditional: 262] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 252, Positive conditional cache size: 1, Positive unconditional cache size: 251, Negative cache size: 12, Negative conditional cache size: 1, Negative unconditional cache size: 11, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 11 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={4:0}, myglobal=0] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L922] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L922] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L931] EXPR 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1] [L931] EXPR 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1] [L931] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=2] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=2, myglobal=myglobal+1=25] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=2, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [931] and C: myglobal=myglobal+1 [922] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 103 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-11-08 07:42:02,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:02,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e0d660-56d9-4fdf-8d41-410d08b69f4e/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE