./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 --- 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 [2022-12-14 16:15:29,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:15:29,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:15:29,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:15:29,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:15:29,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:15:29,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:15:29,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:15:29,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:15:29,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:15:29,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:15:29,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:15:29,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:15:29,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:15:29,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:15:29,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:15:29,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:15:29,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:15:29,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:15:29,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:15:29,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:15:29,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:15:29,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:15:29,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:15:29,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:15:29,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:15:29,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:15:29,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:15:29,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:15:29,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:15:29,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:15:29,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:15:29,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:15:29,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:15:29,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:15:29,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:15:29,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:15:29,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:15:29,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:15:29,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:15:29,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:15:29,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 16:15:29,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:15:29,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:15:29,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:15:29,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:15:29,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:15:29,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:15:29,633 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:15:29,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:15:29,633 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:15:29,634 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:15:29,634 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:15:29,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:15:29,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:15:29,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:15:29,634 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:15:29,635 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:15:29,635 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:15:29,635 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:15:29,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:15:29,636 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:15:29,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:15:29,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:15:29,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:15:29,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:15:29,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:15:29,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:15:29,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:15:29,637 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 16:15:29,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:15:29,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:15:29,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:15:29,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:15:29,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:15:29,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:15:29,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:15:29,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:15:29,639 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:15:29,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:15:29,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:15:29,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:15:29,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:15:29,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:15:29,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:15:29,640 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_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 [2022-12-14 16:15:29,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:15:29,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:15:29,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:15:29,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:15:29,879 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:15:29,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2022-12-14 16:15:32,530 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:15:32,722 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:15:32,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2022-12-14 16:15:32,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data/f1cc33d9a/67a05a877ac34ea8bd9e525ac21eed8c/FLAGb0192a0e1 [2022-12-14 16:15:32,742 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data/f1cc33d9a/67a05a877ac34ea8bd9e525ac21eed8c [2022-12-14 16:15:32,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:15:32,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:15:32,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:15:32,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:15:32,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:15:32,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:15:32" (1/1) ... [2022-12-14 16:15:32,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66062693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:32, skipping insertion in model container [2022-12-14 16:15:32,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:15:32" (1/1) ... [2022-12-14 16:15:32,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:15:32,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:15:32,977 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_6264d600-e229-4b95-9b4b-8a16d9a02a55/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i[30847,30860] [2022-12-14 16:15:32,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:15:32,988 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:15:33,014 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_6264d600-e229-4b95-9b4b-8a16d9a02a55/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i[30847,30860] [2022-12-14 16:15:33,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:15:33,037 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:15:33,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33 WrapperNode [2022-12-14 16:15:33,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:15:33,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:15:33,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:15:33,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:15:33,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,076 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 281 [2022-12-14 16:15:33,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:15:33,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:15:33,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:15:33,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:15:33,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:15:33,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:15:33,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:15:33,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:15:33,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (1/1) ... [2022-12-14 16:15:33,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:15:33,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:15:33,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:15:33,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:15:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:15:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-14 16:15:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-14 16:15:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 16:15:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 16:15:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:15:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:15:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:15:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:15:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:15:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:15:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:15:33,177 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 16:15:33,278 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:15:33,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:15:33,700 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:15:33,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:15:33,918 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 16:15:33,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:15:33 BoogieIcfgContainer [2022-12-14 16:15:33,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:15:33,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:15:33,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:15:33,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:15:33,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:15:32" (1/3) ... [2022-12-14 16:15:33,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a94ca40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:15:33, skipping insertion in model container [2022-12-14 16:15:33,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:15:33" (2/3) ... [2022-12-14 16:15:33,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a94ca40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:15:33, skipping insertion in model container [2022-12-14 16:15:33,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:15:33" (3/3) ... [2022-12-14 16:15:33,928 INFO L112 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2022-12-14 16:15:33,936 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 16:15:33,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:15:33,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-12-14 16:15:33,945 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 16:15:34,002 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 16:15:34,025 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 16:15:34,036 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 108 transitions, 226 flow [2022-12-14 16:15:34,038 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 108 transitions, 226 flow [2022-12-14 16:15:34,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 108 transitions, 226 flow [2022-12-14 16:15:34,078 INFO L130 PetriNetUnfolder]: 7/118 cut-off events. [2022-12-14 16:15:34,078 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 16:15:34,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 118 events. 7/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 315 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2022-12-14 16:15:34,084 INFO L119 LiptonReduction]: Number of co-enabled transitions 4188 [2022-12-14 16:17:42,333 INFO L134 LiptonReduction]: Checked pairs total: 12910 [2022-12-14 16:17:42,333 INFO L136 LiptonReduction]: Total number of compositions: 127 [2022-12-14 16:17:42,340 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 54 transitions, 118 flow [2022-12-14 16:17:42,417 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2480 states, 2095 states have (on average 3.341288782816229) internal successors, (7000), 2479 states have internal predecessors, (7000), 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) [2022-12-14 16:17:42,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:17:42,435 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=FINITE_AUTOMATA, 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;@362df6d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:17:42,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-12-14 16:17:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 2480 states, 2095 states have (on average 3.341288782816229) internal successors, (7000), 2479 states have internal predecessors, (7000), 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) [2022-12-14 16:17:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:17:42,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:42,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:17:42,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:42,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:42,449 INFO L85 PathProgramCache]: Analyzing trace with hash 32719496, now seen corresponding path program 1 times [2022-12-14 16:17:42,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:42,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145398171] [2022-12-14 16:17:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:17:42,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:42,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145398171] [2022-12-14 16:17:42,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145398171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:42,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:42,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 16:17:42,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789622144] [2022-12-14 16:17:42,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:42,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 16:17:42,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:42,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 16:17:42,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:17:42,596 INFO L87 Difference]: Start difference. First operand has 2480 states, 2095 states have (on average 3.341288782816229) internal successors, (7000), 2479 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:17:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:42,702 INFO L93 Difference]: Finished difference Result 387 states and 1036 transitions. [2022-12-14 16:17:42,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 16:17:42,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 16:17:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:42,713 INFO L225 Difference]: With dead ends: 387 [2022-12-14 16:17:42,713 INFO L226 Difference]: Without dead ends: 387 [2022-12-14 16:17:42,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:17:42,716 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:42,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:17:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-12-14 16:17:42,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2022-12-14 16:17:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 385 states have (on average 2.690909090909091) internal successors, (1036), 386 states have internal predecessors, (1036), 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) [2022-12-14 16:17:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 1036 transitions. [2022-12-14 16:17:42,757 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 1036 transitions. Word has length 4 [2022-12-14 16:17:42,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:42,757 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 1036 transitions. [2022-12-14 16:17:42,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:17:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1036 transitions. [2022-12-14 16:17:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:17:42,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:42,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 16:17:42,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:17:42,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:42,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:42,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1014304302, now seen corresponding path program 1 times [2022-12-14 16:17:42,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:42,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753377620] [2022-12-14 16:17:42,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:42,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:17:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:17:42,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:17:42,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753377620] [2022-12-14 16:17:42,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753377620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:17:42,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:17:42,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:17:42,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478093187] [2022-12-14 16:17:42,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:17:42,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:17:42,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:17:42,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:17:42,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:17:42,828 INFO L87 Difference]: Start difference. First operand 387 states and 1036 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:17:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:17:43,051 INFO L93 Difference]: Finished difference Result 532 states and 1401 transitions. [2022-12-14 16:17:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:17:43,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 16:17:43,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:17:43,056 INFO L225 Difference]: With dead ends: 532 [2022-12-14 16:17:43,057 INFO L226 Difference]: Without dead ends: 532 [2022-12-14 16:17:43,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:17:43,058 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:17:43,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 9 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:17:43,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-12-14 16:17:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 397. [2022-12-14 16:17:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 395 states have (on average 2.6632911392405063) internal successors, (1052), 396 states have internal predecessors, (1052), 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) [2022-12-14 16:17:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 1052 transitions. [2022-12-14 16:17:43,080 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 1052 transitions. Word has length 5 [2022-12-14 16:17:43,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:17:43,080 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 1052 transitions. [2022-12-14 16:17:43,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:17:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1052 transitions. [2022-12-14 16:17:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:17:43,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:17:43,081 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 16:17:43,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:17:43,081 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:17:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:17:43,082 INFO L85 PathProgramCache]: Analyzing trace with hash -493242507, now seen corresponding path program 1 times [2022-12-14 16:17:43,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:17:43,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102881311] [2022-12-14 16:17:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:17:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:17:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:17:43,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:17:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:17:43,118 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 16:17:43,118 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 16:17:43,119 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2022-12-14 16:17:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2022-12-14 16:17:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2022-12-14 16:17:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2022-12-14 16:17:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2022-12-14 16:17:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2022-12-14 16:17:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2022-12-14 16:17:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2022-12-14 16:17:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2022-12-14 16:17:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2022-12-14 16:17:43,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2022-12-14 16:17:43,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2022-12-14 16:17:43,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2022-12-14 16:17:43,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2022-12-14 16:17:43,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2022-12-14 16:17:43,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2022-12-14 16:17:43,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:17:43,129 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 16:17:43,130 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 16:17:43,130 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 16:17:43,163 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 16:17:43,165 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 16:17:43,165 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 176 transitions, 376 flow [2022-12-14 16:17:43,166 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 176 transitions, 376 flow [2022-12-14 16:17:43,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 175 places, 176 transitions, 376 flow [2022-12-14 16:17:43,192 INFO L130 PetriNetUnfolder]: 9/168 cut-off events. [2022-12-14 16:17:43,192 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 16:17:43,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 168 events. 9/168 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 562 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 177. Up to 6 conditions per place. [2022-12-14 16:17:43,197 INFO L119 LiptonReduction]: Number of co-enabled transitions 10080 [2022-12-14 16:20:23,290 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 154 DAG size of output: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:20:32,323 WARN L233 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 177 DAG size of output: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:21:04,037 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-14 16:21:04,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-12-14 16:21:04,039 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.isIndependent(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.isIndependent(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.isIndependent(UnionIndependenceRelation.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.isIndependent(CachedIndependenceRelation.java:113) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$1(LiptonReduction.java:468) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isRightMover(LiptonReduction.java:468) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:409) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:312) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:129) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:95) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:148) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructInitialAbstraction(CegarLoopFactory.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createAutomataAbstraction(CegarLoopFactory.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createFiniteAutomataCegarLoop(CegarLoopFactory.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 52 more [2022-12-14 16:21:04,041 INFO L158 Benchmark]: Toolchain (without parser) took 331296.61ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 134.5MB in the beginning and 35.8MB in the end (delta: 98.7MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2022-12-14 16:21:04,042 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 174.1MB. Free memory was 146.7MB in the beginning and 146.7MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:21:04,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.92ms. Allocated memory is still 174.1MB. Free memory was 134.1MB in the beginning and 114.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 16:21:04,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 174.1MB. Free memory was 114.0MB in the beginning and 110.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:21:04,043 INFO L158 Benchmark]: Boogie Preprocessor took 31.40ms. Allocated memory is still 174.1MB. Free memory was 110.6MB in the beginning and 107.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:21:04,043 INFO L158 Benchmark]: RCFGBuilder took 812.14ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 95.5MB in the end (delta: 11.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-12-14 16:21:04,043 INFO L158 Benchmark]: TraceAbstraction took 330117.84ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 94.7MB in the beginning and 35.8MB in the end (delta: 58.9MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2022-12-14 16:21:04,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 174.1MB. Free memory was 146.7MB in the beginning and 146.7MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.92ms. Allocated memory is still 174.1MB. Free memory was 134.1MB in the beginning and 114.0MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 174.1MB. Free memory was 114.0MB in the beginning and 110.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.40ms. Allocated memory is still 174.1MB. Free memory was 110.6MB in the beginning and 107.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 812.14ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 95.5MB in the end (delta: 11.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 330117.84ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 94.7MB in the beginning and 35.8MB in the end (delta: 58.9MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.3s, 108 PlacesBefore, 57 PlacesAfterwards, 108 TransitionsBefore, 54 TransitionsAfterwards, 4188 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 127 TotalNumberOfCompositions, 12910 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7325, independent: 7082, independent conditional: 0, independent unconditional: 7082, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 83, unknown conditional: 0, unknown unconditional: 83] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3405, independent: 3343, independent conditional: 0, independent unconditional: 3343, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 29, unknown conditional: 0, unknown unconditional: 29] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3405, independent: 2819, independent conditional: 0, independent unconditional: 2819, dependent: 586, dependent conditional: 0, dependent unconditional: 586, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 586, independent: 524, independent conditional: 0, independent unconditional: 524, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 29, unknown conditional: 0, unknown unconditional: 29] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118334, independent: 906, independent conditional: 0, independent unconditional: 906, dependent: 431, dependent conditional: 0, dependent unconditional: 431, unknown: 116997, unknown conditional: 0, unknown unconditional: 116997] ], Cache Queries: [ total: 7325, independent: 3739, independent conditional: 0, independent unconditional: 3739, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 3459, unknown conditional: 0, unknown unconditional: 3459] , Statistics on independence cache: Total cache size (in pairs): 401, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 9, Unknown conditional cache size: 0, Unknown unconditional cache size: 9 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 --- 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 [2022-12-14 16:21:05,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:21:05,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:21:05,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:21:05,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:21:05,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:21:05,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:21:05,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:21:05,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:21:05,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:21:05,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:21:05,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:21:05,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:21:05,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:21:05,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:21:05,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:21:05,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:21:05,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:21:05,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:21:05,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:21:05,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:21:05,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:21:05,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:21:05,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:21:05,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:21:05,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:21:05,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:21:05,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:21:05,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:21:05,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:21:05,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:21:05,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:21:05,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:21:05,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:21:05,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:21:05,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:21:05,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:21:05,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:21:05,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:21:05,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:21:05,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:21:05,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-12-14 16:21:05,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:21:05,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:21:05,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:21:05,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:21:05,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:21:05,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:21:05,356 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:21:05,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:21:05,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:21:05,356 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:21:05,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:21:05,357 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:21:05,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:21:05,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 16:21:05,358 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:21:05,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 16:21:05,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:21:05,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:21:05,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:21:05,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 16:21:05,361 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 [2022-12-14 16:21:05,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:21:05,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:21:05,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:21:05,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:21:05,598 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:21:05,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2022-12-14 16:21:08,123 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:21:08,322 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:21:08,322 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2022-12-14 16:21:08,331 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data/9e56fd6c8/7924ab60b751407a8520d0c4844d2567/FLAG579b020db [2022-12-14 16:21:08,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/data/9e56fd6c8/7924ab60b751407a8520d0c4844d2567 [2022-12-14 16:21:08,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:21:08,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:21:08,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:21:08,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:21:08,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:21:08,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3ce673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08, skipping insertion in model container [2022-12-14 16:21:08,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:21:08,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:21:08,600 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_6264d600-e229-4b95-9b4b-8a16d9a02a55/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i[30847,30860] [2022-12-14 16:21:08,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:21:08,615 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:21:08,643 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_6264d600-e229-4b95-9b4b-8a16d9a02a55/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i[30847,30860] [2022-12-14 16:21:08,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:21:08,681 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:21:08,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08 WrapperNode [2022-12-14 16:21:08,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:21:08,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:21:08,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:21:08,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:21:08,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,737 INFO L138 Inliner]: procedures = 179, calls = 36, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 281 [2022-12-14 16:21:08,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:21:08,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:21:08,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:21:08,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:21:08,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,783 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:21:08,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:21:08,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:21:08,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:21:08,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (1/1) ... [2022-12-14 16:21:08,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:21:08,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:21:08,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:21:08,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:21:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-14 16:21:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 16:21:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 16:21:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:21:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:21:08,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 16:21:08,962 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:21:08,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:21:09,476 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:21:09,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:21:09,707 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 16:21:09,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:21:09 BoogieIcfgContainer [2022-12-14 16:21:09,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:21:09,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:21:09,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:21:09,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:21:09,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:21:08" (1/3) ... [2022-12-14 16:21:09,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f82d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:21:09, skipping insertion in model container [2022-12-14 16:21:09,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:21:08" (2/3) ... [2022-12-14 16:21:09,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f82d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:21:09, skipping insertion in model container [2022-12-14 16:21:09,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:21:09" (3/3) ... [2022-12-14 16:21:09,718 INFO L112 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2022-12-14 16:21:09,727 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 16:21:09,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:21:09,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-12-14 16:21:09,737 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 16:21:09,803 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 16:21:09,826 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 16:21:09,837 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 108 transitions, 226 flow [2022-12-14 16:21:09,839 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 108 transitions, 226 flow [2022-12-14 16:21:09,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 108 transitions, 226 flow [2022-12-14 16:21:09,876 INFO L130 PetriNetUnfolder]: 7/118 cut-off events. [2022-12-14 16:21:09,876 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 16:21:09,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 118 events. 7/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 322 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2022-12-14 16:21:09,882 INFO L119 LiptonReduction]: Number of co-enabled transitions 4100 [2022-12-14 16:21:38,222 WARN L233 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 67 DAG size of output: 62 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:22:01,789 INFO L134 LiptonReduction]: Checked pairs total: 12778 [2022-12-14 16:22:01,789 INFO L136 LiptonReduction]: Total number of compositions: 127 [2022-12-14 16:22:01,795 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 54 transitions, 118 flow [2022-12-14 16:22:01,872 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2480 states, 2095 states have (on average 3.341288782816229) internal successors, (7000), 2479 states have internal predecessors, (7000), 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) [2022-12-14 16:22:01,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:22:01,892 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=FINITE_AUTOMATA, 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;@4ab3370d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:22:01,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-12-14 16:22:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 2480 states, 2095 states have (on average 3.341288782816229) internal successors, (7000), 2479 states have internal predecessors, (7000), 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) [2022-12-14 16:22:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:22:01,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:22:01,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:22:01,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:22:01,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:22:01,907 INFO L85 PathProgramCache]: Analyzing trace with hash 32688727, now seen corresponding path program 1 times [2022-12-14 16:22:01,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 16:22:01,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736014764] [2022-12-14 16:22:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:22:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:22:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 16:22:01,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 16:22:01,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 16:22:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:01,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 16:22:01,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:22:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:22:02,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:22:02,007 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 16:22:02,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736014764] [2022-12-14 16:22:02,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736014764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:22:02,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:22:02,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 16:22:02,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125866455] [2022-12-14 16:22:02,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:22:02,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 16:22:02,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 16:22:02,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 16:22:02,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:22:02,043 INFO L87 Difference]: Start difference. First operand has 2480 states, 2095 states have (on average 3.341288782816229) internal successors, (7000), 2479 states have internal predecessors, (7000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:22:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:22:02,151 INFO L93 Difference]: Finished difference Result 387 states and 1036 transitions. [2022-12-14 16:22:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 16:22:02,154 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 16:22:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:22:02,163 INFO L225 Difference]: With dead ends: 387 [2022-12-14 16:22:02,163 INFO L226 Difference]: Without dead ends: 387 [2022-12-14 16:22:02,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:22:02,166 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:22:02,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:22:02,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-12-14 16:22:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2022-12-14 16:22:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 385 states have (on average 2.690909090909091) internal successors, (1036), 386 states have internal predecessors, (1036), 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) [2022-12-14 16:22:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 1036 transitions. [2022-12-14 16:22:02,214 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 1036 transitions. Word has length 4 [2022-12-14 16:22:02,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:22:02,214 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 1036 transitions. [2022-12-14 16:22:02,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:22:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1036 transitions. [2022-12-14 16:22:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:22:02,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:22:02,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 16:22:02,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:22:02,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:22:02,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:22:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:22:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1013349966, now seen corresponding path program 1 times [2022-12-14 16:22:02,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 16:22:02,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980088274] [2022-12-14 16:22:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:22:02,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:22:02,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 16:22:02,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 16:22:02,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 16:22:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:02,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:22:02,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:22:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:22:02,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:22:02,618 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 16:22:02,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980088274] [2022-12-14 16:22:02,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980088274] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:22:02,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:22:02,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:22:02,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051477912] [2022-12-14 16:22:02,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:22:02,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:22:02,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 16:22:02,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:22:02,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:22:02,620 INFO L87 Difference]: Start difference. First operand 387 states and 1036 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:22:02,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:22:02,766 INFO L93 Difference]: Finished difference Result 532 states and 1401 transitions. [2022-12-14 16:22:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:22:02,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 16:22:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:22:02,770 INFO L225 Difference]: With dead ends: 532 [2022-12-14 16:22:02,770 INFO L226 Difference]: Without dead ends: 532 [2022-12-14 16:22:02,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:22:02,771 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:22:02,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 9 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:22:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-12-14 16:22:02,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 397. [2022-12-14 16:22:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 395 states have (on average 2.6632911392405063) internal successors, (1052), 396 states have internal predecessors, (1052), 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) [2022-12-14 16:22:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 1052 transitions. [2022-12-14 16:22:02,789 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 1052 transitions. Word has length 5 [2022-12-14 16:22:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:22:02,789 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 1052 transitions. [2022-12-14 16:22:02,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:22:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1052 transitions. [2022-12-14 16:22:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:22:02,790 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:22:02,790 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 16:22:02,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 16:22:02,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:22:02,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-12-14 16:22:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:22:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1167686773, now seen corresponding path program 1 times [2022-12-14 16:22:02,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 16:22:02,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067247984] [2022-12-14 16:22:02,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:22:02,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:22:02,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 16:22:02,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 16:22:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 16:22:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:22:03,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:22:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:22:03,146 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 16:22:03,146 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 16:22:03,147 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2022-12-14 16:22:03,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2022-12-14 16:22:03,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2022-12-14 16:22:03,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2022-12-14 16:22:03,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2022-12-14 16:22:03,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2022-12-14 16:22:03,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2022-12-14 16:22:03,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2022-12-14 16:22:03,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2022-12-14 16:22:03,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2022-12-14 16:22:03,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2022-12-14 16:22:03,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2022-12-14 16:22:03,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2022-12-14 16:22:03,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2022-12-14 16:22:03,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2022-12-14 16:22:03,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2022-12-14 16:22:03,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2022-12-14 16:22:03,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2022-12-14 16:22:03,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2022-12-14 16:22:03,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2022-12-14 16:22:03,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2022-12-14 16:22:03,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2022-12-14 16:22:03,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2022-12-14 16:22:03,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2022-12-14 16:22:03,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2022-12-14 16:22:03,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2022-12-14 16:22:03,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2022-12-14 16:22:03,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2022-12-14 16:22:03,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2022-12-14 16:22:03,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2022-12-14 16:22:03,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2022-12-14 16:22:03,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2022-12-14 16:22:03,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2022-12-14 16:22:03,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2022-12-14 16:22:03,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2022-12-14 16:22:03,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2022-12-14 16:22:03,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2022-12-14 16:22:03,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2022-12-14 16:22:03,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2022-12-14 16:22:03,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2022-12-14 16:22:03,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2022-12-14 16:22:03,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2022-12-14 16:22:03,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2022-12-14 16:22:03,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2022-12-14 16:22:03,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2022-12-14 16:22:03,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2022-12-14 16:22:03,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2022-12-14 16:22:03,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2022-12-14 16:22:03,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2022-12-14 16:22:03,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2022-12-14 16:22:03,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2022-12-14 16:22:03,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2022-12-14 16:22:03,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2022-12-14 16:22:03,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2022-12-14 16:22:03,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 16:22:03,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:22:03,366 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 16:22:03,372 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 16:22:03,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 16:22:03,499 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 16:22:03,502 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 16:22:03,502 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 175 transitions, 374 flow [2022-12-14 16:22:03,503 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 175 transitions, 374 flow [2022-12-14 16:22:03,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 175 transitions, 374 flow [2022-12-14 16:22:03,543 INFO L130 PetriNetUnfolder]: 9/167 cut-off events. [2022-12-14 16:22:03,544 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 16:22:03,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 167 events. 9/167 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 547 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 176. Up to 6 conditions per place. [2022-12-14 16:22:03,551 INFO L119 LiptonReduction]: Number of co-enabled transitions 9760 [2022-12-14 16:22:57,220 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 63 DAG size of output: 58 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:23:46,212 WARN L233 SmtUtils]: Spent 20.77s on a formula simplification. DAG size of input: 158 DAG size of output: 156 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:23:54,221 WARN L233 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:24:06,395 WARN L233 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 181 DAG size of output: 166 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 16:24:08,499 INFO L134 LiptonReduction]: Checked pairs total: 40057 [2022-12-14 16:24:08,500 INFO L136 LiptonReduction]: Total number of compositions: 238 [2022-12-14 16:24:08,501 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 95 transitions, 214 flow [2022-12-14 16:24:09,996 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 71619 states, 65060 states have (on average 4.241177374731017) internal successors, (275931), 71618 states have internal predecessors, (275931), 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) [2022-12-14 16:24:09,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:24:09,997 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=FINITE_AUTOMATA, 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;@4ab3370d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:24:09,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2022-12-14 16:24:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 71619 states, 65060 states have (on average 4.241177374731017) internal successors, (275931), 71618 states have internal predecessors, (275931), 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) [2022-12-14 16:24:10,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:24:10,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:24:10,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:24:10,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-12-14 16:24:10,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:24:10,073 INFO L85 PathProgramCache]: Analyzing trace with hash 47114465, now seen corresponding path program 1 times [2022-12-14 16:24:10,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 16:24:10,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353850970] [2022-12-14 16:24:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:24:10,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:24:10,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 16:24:10,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 16:24:10,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 16:24:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:24:10,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 16:24:10,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:24:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:24:10,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:24:10,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 16:24:10,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353850970] [2022-12-14 16:24:10,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353850970] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:24:10,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:24:10,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 16:24:10,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225582033] [2022-12-14 16:24:10,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:24:10,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 16:24:10,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 16:24:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 16:24:10,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:24:10,207 INFO L87 Difference]: Start difference. First operand has 71619 states, 65060 states have (on average 4.241177374731017) internal successors, (275931), 71618 states have internal predecessors, (275931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:24:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:24:10,342 INFO L93 Difference]: Finished difference Result 3918 states and 14522 transitions. [2022-12-14 16:24:10,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 16:24:10,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 16:24:10,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:24:10,373 INFO L225 Difference]: With dead ends: 3918 [2022-12-14 16:24:10,373 INFO L226 Difference]: Without dead ends: 3918 [2022-12-14 16:24:10,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:24:10,375 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:24:10,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:24:10,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3918 states. [2022-12-14 16:24:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3918 to 3918. [2022-12-14 16:24:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3918 states, 3916 states have (on average 3.708375893769152) internal successors, (14522), 3917 states have internal predecessors, (14522), 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) [2022-12-14 16:24:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3918 states and 14522 transitions. [2022-12-14 16:24:10,592 INFO L78 Accepts]: Start accepts. Automaton has 3918 states and 14522 transitions. Word has length 4 [2022-12-14 16:24:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:24:10,592 INFO L495 AbstractCegarLoop]: Abstraction has 3918 states and 14522 transitions. [2022-12-14 16:24:10,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:24:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3918 states and 14522 transitions. [2022-12-14 16:24:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:24:10,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:24:10,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 16:24:10,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 16:24:10,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:24:10,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-12-14 16:24:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:24:10,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1460552459, now seen corresponding path program 1 times [2022-12-14 16:24:10,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 16:24:10,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110162481] [2022-12-14 16:24:10,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:24:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:24:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 16:24:10,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 16:24:10,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 16:24:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:24:11,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:24:11,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:24:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:24:11,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:24:11,016 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 16:24:11,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110162481] [2022-12-14 16:24:11,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110162481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:24:11,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:24:11,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:24:11,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058723704] [2022-12-14 16:24:11,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:24:11,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:24:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 16:24:11,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:24:11,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:24:11,017 INFO L87 Difference]: Start difference. First operand 3918 states and 14522 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:24:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:24:11,224 INFO L93 Difference]: Finished difference Result 6217 states and 22841 transitions. [2022-12-14 16:24:11,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:24:11,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 16:24:11,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:24:11,251 INFO L225 Difference]: With dead ends: 6217 [2022-12-14 16:24:11,251 INFO L226 Difference]: Without dead ends: 6217 [2022-12-14 16:24:11,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:24:11,252 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:24:11,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 23 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:24:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6217 states. [2022-12-14 16:24:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6217 to 4386. [2022-12-14 16:24:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 4384 states have (on average 3.6875) internal successors, (16166), 4385 states have internal predecessors, (16166), 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) [2022-12-14 16:24:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 16166 transitions. [2022-12-14 16:24:11,377 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 16166 transitions. Word has length 5 [2022-12-14 16:24:11,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:24:11,377 INFO L495 AbstractCegarLoop]: Abstraction has 4386 states and 16166 transitions. [2022-12-14 16:24:11,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-14 16:24:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 16166 transitions. [2022-12-14 16:24:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:24:11,379 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:24:11,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:24:11,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 16:24:11,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:24:11,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err8ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2022-12-14 16:24:11,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:24:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1217097355, now seen corresponding path program 1 times [2022-12-14 16:24:11,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 16:24:11,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374743710] [2022-12-14 16:24:11,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:24:11,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:24:11,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 16:24:11,587 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 16:24:11,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 16:24:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:24:11,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:24:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:24:11,819 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 16:24:11,820 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 16:24:11,820 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2022-12-14 16:24:11,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2022-12-14 16:24:11,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2022-12-14 16:24:11,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2022-12-14 16:24:11,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2022-12-14 16:24:11,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2022-12-14 16:24:11,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2022-12-14 16:24:11,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2022-12-14 16:24:11,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2022-12-14 16:24:11,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2022-12-14 16:24:11,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2022-12-14 16:24:11,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2022-12-14 16:24:11,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2022-12-14 16:24:11,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2022-12-14 16:24:11,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2022-12-14 16:24:11,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2022-12-14 16:24:11,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2022-12-14 16:24:11,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 16:24:12,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 16:24:12,030 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 16:24:12,043 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-12-14 16:24:12,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:24:12,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:24:12 BasicIcfg [2022-12-14 16:24:12,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:24:12,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:24:12,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:24:12,095 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:24:12,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:21:09" (3/4) ... [2022-12-14 16:24:12,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 16:24:12,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:24:12,098 INFO L158 Benchmark]: Toolchain (without parser) took 183750.68ms. Allocated memory was 90.2MB in the beginning and 792.7MB in the end (delta: 702.5MB). Free memory was 67.1MB in the beginning and 380.9MB in the end (delta: -313.8MB). Peak memory consumption was 389.7MB. Max. memory is 16.1GB. [2022-12-14 16:24:12,098 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:24:12,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.23ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 67.6MB in the end (delta: -712.8kB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-14 16:24:12,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.10ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 63.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:24:12,098 INFO L158 Benchmark]: Boogie Preprocessor took 52.17ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 60.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:24:12,099 INFO L158 Benchmark]: RCFGBuilder took 919.22ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 47.4MB in the end (delta: 13.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-12-14 16:24:12,099 INFO L158 Benchmark]: TraceAbstraction took 182382.44ms. Allocated memory was 90.2MB in the beginning and 792.7MB in the end (delta: 702.5MB). Free memory was 46.5MB in the beginning and 380.9MB in the end (delta: -334.4MB). Peak memory consumption was 366.7MB. Max. memory is 16.1GB. [2022-12-14 16:24:12,099 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 792.7MB. Free memory is still 380.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:24:12,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.23ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 67.6MB in the end (delta: -712.8kB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.10ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 63.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.17ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 60.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 919.22ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 47.4MB in the end (delta: 13.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 182382.44ms. Allocated memory was 90.2MB in the beginning and 792.7MB in the end (delta: 702.5MB). Free memory was 46.5MB in the beginning and 380.9MB in the end (delta: -334.4MB). Peak memory consumption was 366.7MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 792.7MB. Free memory is still 380.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.0s, 108 PlacesBefore, 57 PlacesAfterwards, 108 TransitionsBefore, 54 TransitionsAfterwards, 4100 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 127 TotalNumberOfCompositions, 12778 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6903, independent: 6660, independent conditional: 0, independent unconditional: 6660, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 37, unknown conditional: 0, unknown unconditional: 37] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3323, independent: 3261, independent conditional: 0, independent unconditional: 3261, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3323, independent: 2753, independent conditional: 0, independent unconditional: 2753, dependent: 570, dependent conditional: 0, dependent unconditional: 570, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 570, independent: 508, independent conditional: 0, independent unconditional: 508, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25002, independent: 852, independent conditional: 0, independent unconditional: 852, dependent: 9768, dependent conditional: 0, dependent unconditional: 9768, unknown: 14381, unknown conditional: 0, unknown unconditional: 14381] ], Cache Queries: [ total: 6903, independent: 3399, independent conditional: 0, independent unconditional: 3399, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 3349, unknown conditional: 0, unknown unconditional: 3349] , Statistics on independence cache: Total cache size (in pairs): 410, Positive cache size: 386, Positive conditional cache size: 0, Positive unconditional cache size: 386, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.0s, 174 PlacesBefore, 100 PlacesAfterwards, 175 TransitionsBefore, 95 TransitionsAfterwards, 9760 CoEnabledTransitionPairs, 8 FixpointIterations, 59 TrivialSequentialCompositions, 152 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 15 ConcurrentYvCompositions, 6 ChoiceCompositions, 238 TotalNumberOfCompositions, 40057 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19609, independent: 19178, independent conditional: 0, independent unconditional: 19178, dependent: 398, dependent conditional: 0, dependent unconditional: 398, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7993, independent: 7907, independent conditional: 0, independent unconditional: 7907, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7993, independent: 6622, independent conditional: 0, independent unconditional: 6622, dependent: 1371, dependent conditional: 0, dependent unconditional: 1371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1371, independent: 1285, independent conditional: 0, independent unconditional: 1285, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22833, independent: 1509, independent conditional: 0, independent unconditional: 1509, dependent: 6649, dependent conditional: 0, dependent unconditional: 6649, unknown: 14674, unknown conditional: 0, unknown unconditional: 14674] ], Cache Queries: [ total: 19609, independent: 11271, independent conditional: 0, independent unconditional: 11271, dependent: 325, dependent conditional: 0, dependent unconditional: 325, unknown: 8013, unknown conditional: 0, unknown unconditional: 8013] , Statistics on independence cache: Total cache size (in pairs): 1008, Positive cache size: 974, Positive conditional cache size: 0, Positive unconditional cache size: 974, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 729]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int count = 0; [L708] 0 int mutexa = 0; [L709] 0 int mutexb = 0; [L747] 0 pthread_t t; [L748] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, pthread_create(&t, 0, thr1, 0)=0, t={7:0}] [L749] COND TRUE 0 1 [L751] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, pthread_create(&t, 0, thr2, 0)=1, t={7:0}] [L739] COND FALSE 2 !(__VERIFIER_nondet_int()) [L742] CALL 2 my_thread2() [L719] CALL 2 __VERIFIER_atomic_acquire(&mutexb) [L692] EXPR 2 \read(*m) [L692] EXPR 2 *m==0 [L692] CALL 2 assume_abort_if_not(*m==0) [L4] COND FALSE 2 !(!cond) [L692] RET 2 assume_abort_if_not(*m==0) [L693] 2 *m = 1 [L719] RET 2 __VERIFIER_atomic_acquire(&mutexb) [L726] COND TRUE 1 1 [L728] CALL 1 __VERIFIER_atomic_acquire(&mutexa) [L692] EXPR 1 \read(*m) [L692] EXPR 1 *m==0 [L692] CALL 1 assume_abort_if_not(*m==0) [L4] COND FALSE 1 !(!cond) [L692] RET 1 assume_abort_if_not(*m==0) [L693] 1 *m = 1 [L728] RET 1 __VERIFIER_atomic_acquire(&mutexa) [L729] 1 count >= -1 VAL [arg={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L720] CALL 2 __VERIFIER_atomic_dec() [L706] 2 count-- [L720] RET 2 __VERIFIER_atomic_dec() [L729] 1 count >= -1 VAL [arg={0:0}, arg={0:0}, count=-1, mutexa={3:0}, mutexb={4:0}] Now there is a data race on ~count~0 between C: count-- [706] and C: count >= -1 [729] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 732]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 751]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 166 locations, 54 error locations. Started 1 CEGAR loops. OverallTime: 53.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 52.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 13 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2480occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 135 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 228 locations, 80 error locations. Started 1 CEGAR loops. OverallTime: 128.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 126.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 27 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71619occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 1831 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 16:24:12,334 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-14 16:24:12,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6264d600-e229-4b95-9b4b-8a16d9a02a55/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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