./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- 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-2329fc7 [2022-12-13 09:13:41,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:13:41,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:13:41,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:13:41,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:13:41,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:13:41,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:13:41,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:13:41,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:13:41,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:13:41,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:13:41,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:13:41,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:13:41,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:13:41,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:13:41,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:13:41,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:13:41,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:13:41,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:13:41,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:13:41,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:13:41,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:13:41,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:13:41,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:13:41,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:13:41,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:13:41,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:13:41,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:13:41,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:13:41,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:13:41,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:13:41,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:13:41,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:13:41,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:13:41,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:13:41,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:13:41,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:13:41,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:13:41,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:13:41,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:13:41,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:13:41,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:13:41,136 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:13:41,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:13:41,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:13:41,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:13:41,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:13:41,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:13:41,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:13:41,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:13:41,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:13:41,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:13:41,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:13:41,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:13:41,140 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:13:41,141 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_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2022-12-13 09:13:41,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:13:41,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:13:41,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:13:41,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:13:41,328 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:13:41,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-13 09:13:43,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:13:44,187 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:13:44,187 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-13 09:13:44,197 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/data/8085483e6/f96b5b003a204c8a8b55bcb4d0e64c2d/FLAGb6ef33f7f [2022-12-13 09:13:44,208 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/data/8085483e6/f96b5b003a204c8a8b55bcb4d0e64c2d [2022-12-13 09:13:44,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:13:44,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:13:44,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:13:44,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:13:44,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:13:44,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1238b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44, skipping insertion in model container [2022-12-13 09:13:44,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:13:44,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:13:44,364 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_41d7e84d-5014-4e39-86c4-ee80e36b6e40/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-12-13 09:13:44,562 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 09:13:44,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:13:44,578 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:13:44,587 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_41d7e84d-5014-4e39-86c4-ee80e36b6e40/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-12-13 09:13:44,621 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 09:13:44,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:13:44,679 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:13:44,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44 WrapperNode [2022-12-13 09:13:44,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:13:44,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:13:44,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:13:44,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:13:44,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,731 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-13 09:13:44,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:13:44,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:13:44,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:13:44,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:13:44,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:13:44,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:13:44,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:13:44,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:13:44,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (1/1) ... [2022-12-13 09:13:44,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:13:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:13:44,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:13:44,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:13:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-13 09:13:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-13 09:13:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-13 09:13:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-13 09:13:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-13 09:13:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:13:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:13:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:13:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:13:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:13:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:13:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:13:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:13:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:13:44,832 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:13:45,036 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:13:45,038 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:13:45,158 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:13:45,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:13:45,166 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:13:45,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:45 BoogieIcfgContainer [2022-12-13 09:13:45,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:13:45,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:13:45,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:13:45,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:13:45,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:13:44" (1/3) ... [2022-12-13 09:13:45,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebb490c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:13:45, skipping insertion in model container [2022-12-13 09:13:45,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:13:44" (2/3) ... [2022-12-13 09:13:45,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebb490c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:13:45, skipping insertion in model container [2022-12-13 09:13:45,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:45" (3/3) ... [2022-12-13 09:13:45,177 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-13 09:13:45,186 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:13:45,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:13:45,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 09:13:45,194 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:13:45,241 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:13:45,275 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:13:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:13:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:13:45,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:13:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:13:45,301 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:13:45,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f2Thread1of1ForFork1 ======== [2022-12-13 09:13:45,314 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;@4fc3a898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:13:45,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:13:45,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:13:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:13:45,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1128490137, now seen corresponding path program 1 times [2022-12-13 09:13:45,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:13:45,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395642005] [2022-12-13 09:13:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:45,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:13:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:13:45,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 09:13:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:13:45,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 09:13:45,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 09:13:45,650 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 09:13:45,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:13:45,656 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 09:13:45,658 INFO L307 ceAbstractionStarter]: Result for error location f2Thread1of1ForFork1 was UNSAFE (1/2) [2022-12-13 09:13:45,660 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 09:13:45,660 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 09:13:45,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:13:45 BasicIcfg [2022-12-13 09:13:45,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 09:13:45,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 09:13:45,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 09:13:45,691 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 09:13:45,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:13:45" (3/4) ... [2022-12-13 09:13:45,693 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 09:13:45,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 09:13:45,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 09:13:45,728 INFO L158 Benchmark]: Toolchain (without parser) took 1517.25ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 91.1MB in the beginning and 94.9MB in the end (delta: -3.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,728 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:13:45,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.96ms. Allocated memory is still 123.7MB. Free memory was 90.7MB in the beginning and 53.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.87ms. Allocated memory is still 123.7MB. Free memory was 53.0MB in the beginning and 94.6MB in the end (delta: -41.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,729 INFO L158 Benchmark]: Boogie Preprocessor took 37.17ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.6MB in the beginning and 120.6MB in the end (delta: -26.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,729 INFO L158 Benchmark]: RCFGBuilder took 398.35ms. Allocated memory is still 148.9MB. Free memory was 120.6MB in the beginning and 101.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,730 INFO L158 Benchmark]: TraceAbstraction took 519.92ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 104.3MB in the end (delta: -3.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,730 INFO L158 Benchmark]: Witness Printer took 35.80ms. Allocated memory is still 148.9MB. Free memory was 104.3MB in the beginning and 94.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 09:13:45,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.96ms. Allocated memory is still 123.7MB. Free memory was 90.7MB in the beginning and 53.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.87ms. Allocated memory is still 123.7MB. Free memory was 53.0MB in the beginning and 94.6MB in the end (delta: -41.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.17ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.6MB in the beginning and 120.6MB in the end (delta: -26.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * RCFGBuilder took 398.35ms. Allocated memory is still 148.9MB. Free memory was 120.6MB in the beginning and 101.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 519.92ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 104.3MB in the end (delta: -3.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 35.80ms. Allocated memory is still 148.9MB. Free memory was 104.3MB in the beginning and 94.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 21, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 21, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 21, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 516, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 495, independent: 488, independent conditional: 0, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 495, independent: 485, independent conditional: 0, independent unconditional: 485, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 516, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 495, unknown conditional: 0, unknown unconditional: 495] , Statistics on independence cache: Total cache size (in pairs): 495, Positive cache size: 488, Positive conditional cache size: 0, Positive unconditional cache size: 488, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 68, Number of trivial persistent sets: 59, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 488, independent conditional: 0, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 21, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 21, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 21, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 516, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 516, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 495, independent: 488, independent conditional: 0, independent unconditional: 488, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 495, independent: 485, independent conditional: 0, independent unconditional: 485, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 516, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 495, unknown conditional: 0, unknown unconditional: 495] , Statistics on independence cache: Total cache size (in pairs): 495, Positive cache size: 488, Positive conditional cache size: 0, Positive unconditional cache size: 488, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={3:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={4:0}, g=0, mut={3:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}, t2={5:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1356] 1 g = 1 VAL [cond={4:0}, g=1, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1359] 1 g = 0 VAL [cond={4:0}, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1361] 1 return ((void *)0); VAL [\result={0:0}, cond={4:0}, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, \result={0:0}, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, \result={0:0}, cond={4:0}, cond=0, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, \result={0:0}, cond={4:0}, cond=0, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: f2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 126 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 09:13:45,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 09:13:45,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41d7e84d-5014-4e39-86c4-ee80e36b6e40/bin/ugemcutter-rbreBovr8w/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