./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 14021be990ac15ab4220d2b72ebb5203b2152775e4c1d32aaa66b7b14032d7f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:00:05,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:00:05,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 19:00:05,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:00:05,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:00:05,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:00:05,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:00:05,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:00:05,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:00:05,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:00:05,816 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:00:05,816 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:00:05,817 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:00:05,817 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:00:05,818 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:00:05,818 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:00:05,819 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:00:05,819 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:00:05,820 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:00:05,821 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:00:05,821 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:00:05,822 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:00:05,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:00:05,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:00:05,824 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:00:05,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:00:05,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:00:05,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:00:05,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:00:05,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:00:05,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:00:05,827 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 19:00:05,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 19:00:05,828 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:00:05,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:00:05,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:00:05,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:00:05,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:00:05,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:00:05,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:00:05,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:00:05,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:00:05,831 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:00:05,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:00:05,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:00:05,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:00:05,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:00:05,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:00:05,833 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14021be990ac15ab4220d2b72ebb5203b2152775e4c1d32aaa66b7b14032d7f7 [2023-12-02 19:00:06,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:00:06,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:00:06,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:00:06,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:00:06,075 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:00:06,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i [2023-12-02 19:00:08,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:00:09,034 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:00:09,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/sv-benchmarks/c/goblint-regression/04-mutex_20-stdfun_rc.i [2023-12-02 19:00:09,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/data/8830b20b7/6b77aef2ffdf426cae3e642814636f37/FLAG4d64c47f0 [2023-12-02 19:00:09,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/data/8830b20b7/6b77aef2ffdf426cae3e642814636f37 [2023-12-02 19:00:09,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:00:09,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:00:09,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:00:09,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:00:09,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:00:09,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6bb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09, skipping insertion in model container [2023-12-02 19:00:09,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:00:09,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:00:09,518 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:00:09,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:00:09,605 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:00:09,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09 WrapperNode [2023-12-02 19:00:09,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:00:09,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:00:09,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:00:09,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:00:09,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,648 INFO L138 Inliner]: procedures = 261, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2023-12-02 19:00:09,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:00:09,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:00:09,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:00:09,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:00:09,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:00:09,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:00:09,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:00:09,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:00:09,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (1/1) ... [2023-12-02 19:00:09,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:00:09,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:00:09,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:00:09,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:00:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:00:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:00:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:00:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:00:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:00:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 19:00:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 19:00:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:00:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:00:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:00:09,740 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 19:00:09,864 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:00:09,866 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:00:10,010 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:00:10,020 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:00:10,021 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 19:00:10,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:10 BoogieIcfgContainer [2023-12-02 19:00:10,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:00:10,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:00:10,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:00:10,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:00:10,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:00:09" (1/3) ... [2023-12-02 19:00:10,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b82edd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:10, skipping insertion in model container [2023-12-02 19:00:10,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09" (2/3) ... [2023-12-02 19:00:10,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b82edd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:10, skipping insertion in model container [2023-12-02 19:00:10,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:10" (3/3) ... [2023-12-02 19:00:10,032 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_20-stdfun_rc.i [2023-12-02 19:00:10,040 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 19:00:10,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:00:10,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-12-02 19:00:10,048 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 19:00:10,095 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 19:00:10,122 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 54 transitions, 112 flow [2023-12-02 19:00:10,174 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 419 states, 414 states have (on average 1.891304347826087) internal successors, (783), 418 states have internal predecessors, (783), 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) [2023-12-02 19:00:10,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:00:10,198 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=LoopHeads, 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;@343bb816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:00:10,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-12-02 19:00:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 414 states have (on average 1.891304347826087) internal successors, (783), 418 states have internal predecessors, (783), 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) [2023-12-02 19:00:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 19:00:10,207 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:00:10,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:00:10,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-12-02 19:00:10,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:00:10,212 INFO L85 PathProgramCache]: Analyzing trace with hash 715420273, now seen corresponding path program 1 times [2023-12-02 19:00:10,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:00:10,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001503064] [2023-12-02 19:00:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:00:10,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:00:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:00:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:00:10,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:00:10,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001503064] [2023-12-02 19:00:10,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001503064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:00:10,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:00:10,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:00:10,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010051419] [2023-12-02 19:00:10,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:00:10,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:00:10,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:00:10,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:00:10,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:00:10,931 INFO L87 Difference]: Start difference. First operand has 419 states, 414 states have (on average 1.891304347826087) internal successors, (783), 418 states have internal predecessors, (783), 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 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-12-02 19:00:11,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:00:11,178 INFO L93 Difference]: Finished difference Result 625 states and 1173 transitions. [2023-12-02 19:00:11,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:00:11,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2023-12-02 19:00:11,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:00:11,200 INFO L225 Difference]: With dead ends: 625 [2023-12-02 19:00:11,200 INFO L226 Difference]: Without dead ends: 625 [2023-12-02 19:00:11,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:00:11,206 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 89 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:00:11,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 190 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:00:11,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-12-02 19:00:11,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 486. [2023-12-02 19:00:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 481 states have (on average 1.9106029106029105) internal successors, (919), 485 states have internal predecessors, (919), 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) [2023-12-02 19:00:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 919 transitions. [2023-12-02 19:00:11,284 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 919 transitions. Word has length 19 [2023-12-02 19:00:11,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:00:11,285 INFO L495 AbstractCegarLoop]: Abstraction has 486 states and 919 transitions. [2023-12-02 19:00:11,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-12-02 19:00:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 919 transitions. [2023-12-02 19:00:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 19:00:11,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:00:11,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:00:11,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:00:11,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-12-02 19:00:11,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:00:11,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1740510509, now seen corresponding path program 1 times [2023-12-02 19:00:11,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:00:11,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876085737] [2023-12-02 19:00:11,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:00:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:00:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:00:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:00:11,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:00:11,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876085737] [2023-12-02 19:00:11,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876085737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:00:11,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:00:11,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:00:11,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649654211] [2023-12-02 19:00:11,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:00:11,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:00:11,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:00:11,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:00:11,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:00:11,541 INFO L87 Difference]: Start difference. First operand 486 states and 919 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2023-12-02 19:00:11,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:00:11,729 INFO L93 Difference]: Finished difference Result 735 states and 1378 transitions. [2023-12-02 19:00:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:00:11,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2023-12-02 19:00:11,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:00:11,735 INFO L225 Difference]: With dead ends: 735 [2023-12-02 19:00:11,735 INFO L226 Difference]: Without dead ends: 670 [2023-12-02 19:00:11,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:00:11,737 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 81 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:00:11,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 105 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:00:11,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2023-12-02 19:00:11,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 505. [2023-12-02 19:00:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 500 states have (on average 1.912) internal successors, (956), 504 states have internal predecessors, (956), 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) [2023-12-02 19:00:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 956 transitions. [2023-12-02 19:00:11,764 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 956 transitions. Word has length 22 [2023-12-02 19:00:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:00:11,765 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 956 transitions. [2023-12-02 19:00:11,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2023-12-02 19:00:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 956 transitions. [2023-12-02 19:00:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 19:00:11,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:00:11,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:00:11,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:00:11,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-12-02 19:00:11,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:00:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash -996484358, now seen corresponding path program 1 times [2023-12-02 19:00:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:00:11,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267752590] [2023-12-02 19:00:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:00:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:00:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:00:11,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:00:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:00:11,828 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:00:11,828 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:00:11,829 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-12-02 19:00:11,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-12-02 19:00:11,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-12-02 19:00:11,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2023-12-02 19:00:11,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-12-02 19:00:11,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-12-02 19:00:11,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:00:11,836 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-02 19:00:11,842 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 19:00:11,842 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:00:11,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre32 could not be translated [2023-12-02 19:00:11,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-12-02 19:00:11,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-12-02 19:00:11,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:00:11 BasicIcfg [2023-12-02 19:00:11,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:00:11,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:00:11,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:00:11,870 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:00:11,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:10" (3/4) ... [2023-12-02 19:00:11,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:00:11,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:00:11,874 INFO L158 Benchmark]: Toolchain (without parser) took 2804.18ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 104.5MB in the beginning and 158.3MB in the end (delta: -53.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-12-02 19:00:11,874 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:00:11,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.50ms. Allocated memory is still 136.3MB. Free memory was 104.5MB in the beginning and 77.5MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 19:00:11,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.37ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:00:11,875 INFO L158 Benchmark]: Boogie Preprocessor took 27.30ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 73.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:00:11,876 INFO L158 Benchmark]: RCFGBuilder took 346.28ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 73.6MB in the beginning and 160.1MB in the end (delta: -86.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-12-02 19:00:11,876 INFO L158 Benchmark]: TraceAbstraction took 1843.25ms. Allocated memory is still 192.9MB. Free memory was 159.3MB in the beginning and 158.3MB in the end (delta: 989.8kB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-12-02 19:00:11,877 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 192.9MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:00:11,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.50ms. Allocated memory is still 136.3MB. Free memory was 104.5MB in the beginning and 77.5MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.37ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.30ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 73.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.28ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 73.6MB in the beginning and 160.1MB in the end (delta: -86.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1843.25ms. Allocated memory is still 192.9MB. Free memory was 159.3MB in the beginning and 158.3MB in the end (delta: 989.8kB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 192.9MB. Free memory is still 158.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 925]: Data race detected [2023-12-02 19:00:11,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre32 could not be translated [2023-12-02 19:00:11,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-12-02 19:00:11,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-12-02 19:00:11,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre32 could not be translated [2023-12-02 19:00:11,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-12-02 19:00:11,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-12-02 19:00:11,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-12-02 19:00:11,902 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal={1:0}] [L923] 0 pthread_t id; VAL [id={5:0}, myglobal={1:0}] [L924] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, myglobal={1:0}] [L919] EXPR 1 \read(myglobal) VAL [arg={0:0}, arg={0:0}, myglobal={1:0}] [L919] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, myglobal={1:0}] [L925] 0 scanf("%d", &myglobal) VAL [arg={0:0}, arg={0:0}, id={5:0}, myglobal={1:0}] Now there is a data race (on the heap) between C: myglobal+1 [919] and C: scanf("%d", &myglobal) [925] - UnprovableResult [Line: 924]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 919]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 919]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 77 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 167 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 128 mSDtfsCounter, 270 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=505occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-02 19:00:11,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5b50b2-bf15-4bf6-bb3b-90d477a88d1d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE