./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH --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 36c3c3dc239d6629a8ba20aca175d79c45880ab21458cd8ebdaac3a8ef359066 --- 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-38b53e6 [2022-11-25 18:40:36,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:40:36,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:40:36,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:40:36,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:40:36,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:40:36,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:40:36,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:40:36,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:40:36,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:40:36,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:40:36,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:40:36,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:40:36,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:40:36,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:40:36,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:40:36,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:40:36,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:40:36,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:40:36,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:40:36,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:40:36,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:40:36,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:40:36,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:40:36,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:40:36,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:40:36,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:40:36,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:40:36,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:40:36,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:40:36,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:40:36,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:40:36,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:40:36,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:40:36,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:40:36,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:40:36,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:40:36,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:40:36,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:40:36,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:40:36,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:40:36,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-25 18:40:36,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:40:36,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:40:36,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:40:36,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:40:36,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:40:36,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:40:36,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:40:36,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:40:36,238 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:40:36,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:40:36,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:40:36,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:40:36,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:40:36,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:40:36,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:40:36,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:40:36,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:40:36,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:40:36,241 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:40:36,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:40:36,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:40:36,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:40:36,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:40:36,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:40:36,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:40:36,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-25 18:40:36,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:40:36,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:40:36,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:40:36,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:40:36,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:40:36,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:40:36,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:40:36,245 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:40:36,245 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:40:36,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:40:36,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:40:36,246 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:40:36,246 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:40:36,246 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_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3c3dc239d6629a8ba20aca175d79c45880ab21458cd8ebdaac3a8ef359066 [2022-11-25 18:40:36,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:40:36,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:40:36,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:40:36,654 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:40:36,654 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:40:36,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2022-11-25 18:40:39,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:40:39,952 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:40:39,953 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2022-11-25 18:40:39,966 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/data/785940bf4/2603726e43db40ffa370198cfaa104d6/FLAGd14d4c7af [2022-11-25 18:40:39,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/data/785940bf4/2603726e43db40ffa370198cfaa104d6 [2022-11-25 18:40:39,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:40:39,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:40:39,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:40:39,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:40:39,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:40:39,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:40:39" (1/1) ... [2022-11-25 18:40:39,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ac22b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:39, skipping insertion in model container [2022-11-25 18:40:39,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:40:39" (1/1) ... [2022-11-25 18:40:40,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:40:40,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:40:40,275 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:40:40,529 WARN L237 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_d3a02793-0839-4d2c-bda4-9577414a5f91/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2022-11-25 18:40:40,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:40:40,576 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:40:40,596 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:40:40,627 WARN L237 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_d3a02793-0839-4d2c-bda4-9577414a5f91/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2022-11-25 18:40:40,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:40:40,676 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:40:40,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40 WrapperNode [2022-11-25 18:40:40,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:40:40,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:40:40,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:40:40,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:40:40,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,720 INFO L138 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2022-11-25 18:40:40,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:40:40,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:40:40,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:40:40,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:40:40,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:40:40,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:40:40,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:40:40,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:40:40,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (1/1) ... [2022-11-25 18:40:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:40:40,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:40:40,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:40:40,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:40:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:40:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:40:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:40:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:40:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:40:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:40:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:40:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-25 18:40:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-25 18:40:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:40:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:40:40,850 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:40:41,044 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:40:41,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:40:41,319 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:40:41,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:40:41,326 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:40:41,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:41 BoogieIcfgContainer [2022-11-25 18:40:41,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:40:41,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:40:41,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:40:41,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:40:41,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:40:39" (1/3) ... [2022-11-25 18:40:41,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278574b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:40:41, skipping insertion in model container [2022-11-25 18:40:41,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:40" (2/3) ... [2022-11-25 18:40:41,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278574b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:40:41, skipping insertion in model container [2022-11-25 18:40:41,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:41" (3/3) ... [2022-11-25 18:40:41,349 INFO L112 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2022-11-25 18:40:41,363 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:40:41,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:40:41,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 18:40:41,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:40:41,428 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 18:40:41,487 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:40:41,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:40:41,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:40:41,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:40:41,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:40:41,552 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:40:41,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2022-11-25 18:40:41,574 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;@53da002a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:40:41,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:40:41,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-25 18:40:41,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:41,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1789026419, now seen corresponding path program 1 times [2022-11-25 18:40:41,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:41,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984586194] [2022-11-25 18:40:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:41,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:40:42,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:42,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984586194] [2022-11-25 18:40:42,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984586194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:42,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:42,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:40:42,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988242379] [2022-11-25 18:40:42,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:42,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:40:42,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:42,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:40:42,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:40:42,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:40:42,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:40:42,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-11-25 18:40:42,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:40:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:40:42,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:40:42,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-25 18:40:42,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:42,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1916189533, now seen corresponding path program 1 times [2022-11-25 18:40:42,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:42,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583212138] [2022-11-25 18:40:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:42,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:40:42,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:40:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:40:42,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:40:42,533 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:40:42,535 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-25 18:40:42,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:40:42,556 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 18:40:42,558 INFO L307 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was UNSAFE (1/2) [2022-11-25 18:40:42,561 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:40:42,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:40:42,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:40:42 BasicIcfg [2022-11-25 18:40:42,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:40:42,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:40:42,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:40:42,621 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:40:42,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:41" (3/4) ... [2022-11-25 18:40:42,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:40:42,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:40:42,627 INFO L158 Benchmark]: Toolchain (without parser) took 2641.92ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 76.6MB in the beginning and 135.2MB in the end (delta: -58.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-25 18:40:42,628 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:40:42,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.80ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 76.4MB in the beginning and 169.3MB in the end (delta: -92.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-25 18:40:42,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.85ms. Allocated memory is still 205.5MB. Free memory was 169.3MB in the beginning and 167.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:40:42,631 INFO L158 Benchmark]: Boogie Preprocessor took 30.12ms. Allocated memory is still 205.5MB. Free memory was 167.2MB in the beginning and 165.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:40:42,632 INFO L158 Benchmark]: RCFGBuilder took 577.03ms. Allocated memory is still 205.5MB. Free memory was 165.1MB in the beginning and 150.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:40:42,632 INFO L158 Benchmark]: TraceAbstraction took 1288.54ms. Allocated memory is still 205.5MB. Free memory was 150.4MB in the beginning and 135.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-25 18:40:42,632 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 205.5MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:40:42,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.80ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 76.4MB in the beginning and 169.3MB in the end (delta: -92.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.85ms. Allocated memory is still 205.5MB. Free memory was 169.3MB in the beginning and 167.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.12ms. Allocated memory is still 205.5MB. Free memory was 167.2MB in the beginning and 165.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.03ms. Allocated memory is still 205.5MB. Free memory was 165.1MB in the beginning and 150.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1288.54ms. Allocated memory is still 205.5MB. Free memory was 150.4MB in the beginning and 135.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 205.5MB. Free memory is still 135.2MB. 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 IndependenceRelationWithAbstraction.Independence Queries: [ total: 190, independent: 188, independent conditional: 9, independent unconditional: 179, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 13, dependent conditional: 6, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 513, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 341, unknown conditional: 0, unknown unconditional: 341] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 179, Positive conditional cache size: 0, Positive unconditional cache size: 179, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 325, independent: 314, independent conditional: 27, independent unconditional: 287, dependent: 11, dependent conditional: 6, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 13, dependent conditional: 6, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 513, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 341, unknown conditional: 0, unknown unconditional: 341] , Statistics on independence cache: Total cache size (in pairs): 341, Positive cache size: 333, Positive conditional cache size: 0, Positive unconditional cache size: 333, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 50, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 190, independent: 188, independent conditional: 9, independent unconditional: 179, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 13, dependent conditional: 6, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 513, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 341, unknown conditional: 0, unknown unconditional: 341] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 179, Positive conditional cache size: 0, Positive unconditional cache size: 179, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 58, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 325, independent: 314, independent conditional: 27, independent unconditional: 287, dependent: 11, dependent conditional: 6, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 13, dependent conditional: 6, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 511, independent: 502, independent conditional: 36, independent unconditional: 466, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 341, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 513, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 341, unknown conditional: 0, unknown unconditional: 341] , Statistics on independence cache: Total cache size (in pairs): 341, Positive cache size: 333, Positive conditional cache size: 0, Positive unconditional cache size: 333, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 4, Statistics for Abstraction: - DataRaceFoundResult [Line: 704]: Data race detected Data race detected The following path leads to a data race: [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L698] 0 pthread_cond_t cond; VAL [cond={4:0}, lock={3:0}] [L699] 0 int x; VAL [cond={4:0}, lock={3:0}, x=0] [L709] 0 pthread_t t; VAL [cond={4:0}, lock={3:0}, t={7:0}, x=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={4:0}, lock={3:0}, pthread_create( &t, ((void *)0), thread, ((void *)0) )=-1, t={7:0}, x=0] [L704] 1 x == 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=0] [L713] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L713] COND TRUE 0 i <= 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0] [L714] 0 x = i VAL [arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, t={7:0}, x=0, x = i=119] [L704] 1 x == 42 VAL [arg={0:0}, arg={0:0}, cond={4:0}, lock={3:0}, x=0] Now there is a data race on ~x~0 between C: x = i [714] and C: x == 42 [704] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: threadThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 101 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 3, 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, 0.2s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 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 proved your program to be incorrect! [2022-11-25 18:40:42,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:42,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a02793-0839-4d2c-bda4-9577414a5f91/bin/ugemcutter-syNpU3ikLH/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE