./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8978d351a1e877bd44e157215d417b40c01c7c886849af3efe046b60ddaacc95 --- 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-4e7fbc6 [2022-11-23 03:30:30,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:30:30,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:30:30,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:30:30,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:30:30,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:30:30,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:30:30,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:30:30,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:30:30,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:30:30,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:30:30,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:30:30,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:30:30,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:30:30,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:30:30,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:30:30,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:30:30,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:30:30,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:30:30,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:30:30,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:30:30,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:30:30,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:30:30,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:30:30,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:30:30,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:30:30,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:30:30,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:30:30,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:30:30,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:30:30,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:30:30,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:30:30,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:30:30,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:30:30,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:30:30,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:30:30,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:30:30,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:30:30,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:30:30,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:30:30,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:30:30,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 03:30:30,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:30:30,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:30:30,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:30:30,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:30:30,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:30:30,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:30:30,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:30:30,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:30:30,205 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:30:30,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:30:30,207 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:30:30,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:30:30,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:30:30,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:30:30,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:30:30,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:30:30,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:30:30,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:30:30,210 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 03:30:30,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:30:30,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:30:30,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:30:30,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:30:30,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:30:30,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:30:30,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:30:30,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:30:30,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:30:30,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:30:30,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:30:30,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:30:30,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:30:30,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:30:30,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:30:30,217 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:30:30,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:30:30,217 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8978d351a1e877bd44e157215d417b40c01c7c886849af3efe046b60ddaacc95 [2022-11-23 03:30:30,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:30:30,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:30:30,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:30:30,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:30:30,677 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:30:30,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2022-11-23 03:30:33,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:30:34,232 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:30:34,233 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2022-11-23 03:30:34,242 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/data/3b0b6ff1b/440520e1cfe3463293f7b8b0ebeb97b9/FLAG810e8f21a [2022-11-23 03:30:34,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/data/3b0b6ff1b/440520e1cfe3463293f7b8b0ebeb97b9 [2022-11-23 03:30:34,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:30:34,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:30:34,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:30:34,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:30:34,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:30:34,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790fde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34, skipping insertion in model container [2022-11-23 03:30:34,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:30:34,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:30:34,593 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_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2121,2134] [2022-11-23 03:30:34,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:30:34,609 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:30:34,655 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_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2121,2134] [2022-11-23 03:30:34,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:30:34,680 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:30:34,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34 WrapperNode [2022-11-23 03:30:34,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:30:34,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:30:34,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:30:34,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:30:34,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,753 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2022-11-23 03:30:34,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:30:34,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:30:34,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:30:34,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:30:34,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:30:34,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:30:34,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:30:34,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:30:34,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (1/1) ... [2022-11-23 03:30:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:30:34,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:30:34,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:30:34,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:30:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:30:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 03:30:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 03:30:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 03:30:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 03:30:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:30:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:30:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:30:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 03:30:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 03:30:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:30:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:30:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:30:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:30:34,925 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 03:30:35,068 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:30:35,071 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:30:35,456 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:30:35,576 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:30:35,576 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:30:35,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:35 BoogieIcfgContainer [2022-11-23 03:30:35,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:30:35,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:30:35,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:30:35,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:30:35,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:30:34" (1/3) ... [2022-11-23 03:30:35,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683e972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:35, skipping insertion in model container [2022-11-23 03:30:35,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34" (2/3) ... [2022-11-23 03:30:35,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683e972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:35, skipping insertion in model container [2022-11-23 03:30:35,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:35" (3/3) ... [2022-11-23 03:30:35,590 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2022-11-23 03:30:35,600 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:30:35,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:30:35,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-11-23 03:30:35,613 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:30:35,762 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 03:30:35,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 127 transitions, 270 flow [2022-11-23 03:30:35,932 INFO L130 PetriNetUnfolder]: 6/125 cut-off events. [2022-11-23 03:30:35,933 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 03:30:35,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 125 events. 6/125 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 112 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-11-23 03:30:35,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 127 transitions, 270 flow [2022-11-23 03:30:35,950 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 107 transitions, 226 flow [2022-11-23 03:30:35,954 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:30:35,978 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 107 transitions, 226 flow [2022-11-23 03:30:35,982 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 107 transitions, 226 flow [2022-11-23 03:30:35,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 107 transitions, 226 flow [2022-11-23 03:30:36,040 INFO L130 PetriNetUnfolder]: 5/107 cut-off events. [2022-11-23 03:30:36,040 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 03:30:36,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 107 events. 5/107 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 109 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-11-23 03:30:36,043 INFO L119 LiptonReduction]: Number of co-enabled transitions 1636 [2022-11-23 03:30:40,398 INFO L134 LiptonReduction]: Checked pairs total: 2961 [2022-11-23 03:30:40,399 INFO L136 LiptonReduction]: Total number of compositions: 125 [2022-11-23 03:30:40,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:30:40,440 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=PETRI_NET, 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;@528f5db1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:30:40,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-23 03:30:40,445 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-23 03:30:40,445 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:30:40,445 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:30:40,447 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-23 03:30:40,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-23 03:30:40,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:30:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash 539, now seen corresponding path program 1 times [2022-11-23 03:30:40,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:30:40,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987486229] [2022-11-23 03:30:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:30:40,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:30:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:30:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:30:40,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:30:40,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987486229] [2022-11-23 03:30:40,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987486229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:30:40,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:30:40,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 03:30:40,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160838059] [2022-11-23 03:30:40,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:30:40,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:30:40,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:30:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:30:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:30:40,637 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 252 [2022-11-23 03:30:40,640 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 78 flow. Second operand has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:30:40,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:30:40,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 252 [2022-11-23 03:30:40,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:30:40,713 INFO L130 PetriNetUnfolder]: 44/84 cut-off events. [2022-11-23 03:30:40,713 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-23 03:30:40,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 84 events. 44/84 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 247 event pairs, 18 based on Foata normal form. 26/78 useless extension candidates. Maximal degree in co-relation 128. Up to 73 conditions per place. [2022-11-23 03:30:40,715 INFO L137 encePairwiseOnDemand]: 235/252 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2022-11-23 03:30:40,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 16 transitions, 68 flow [2022-11-23 03:30:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:30:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 03:30:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 247 transitions. [2022-11-23 03:30:40,736 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49007936507936506 [2022-11-23 03:30:40,738 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 247 transitions. [2022-11-23 03:30:40,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 247 transitions. [2022-11-23 03:30:40,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:30:40,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 247 transitions. [2022-11-23 03:30:40,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:30:40,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:30:40,759 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:30:40,761 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 78 flow. Second operand 2 states and 247 transitions. [2022-11-23 03:30:40,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 16 transitions, 68 flow [2022-11-23 03:30:40,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 16 transitions, 60 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-23 03:30:40,765 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-11-23 03:30:40,767 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2022-11-23 03:30:40,772 INFO L288 CegarLoopForPetriNet]: 36 programPoint places, -18 predicate places. [2022-11-23 03:30:40,772 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2022-11-23 03:30:40,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:30:40,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2022-11-23 03:30:40,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2022-11-23 03:30:40,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2022-11-23 03:30:40,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2022-11-23 03:30:40,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2022-11-23 03:30:40,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2022-11-23 03:30:40,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2022-11-23 03:30:40,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2022-11-23 03:30:40,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2022-11-23 03:30:40,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2022-11-23 03:30:40,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2022-11-23 03:30:40,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2022-11-23 03:30:40,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2022-11-23 03:30:40,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2022-11-23 03:30:40,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2022-11-23 03:30:40,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 26 remaining) [2022-11-23 03:30:40,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 26 remaining) [2022-11-23 03:30:40,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2022-11-23 03:30:40,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2022-11-23 03:30:40,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2022-11-23 03:30:40,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2022-11-23 03:30:40,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2022-11-23 03:30:40,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2022-11-23 03:30:40,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2022-11-23 03:30:40,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2022-11-23 03:30:40,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2022-11-23 03:30:40,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:30:40,801 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 03:30:40,808 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:30:40,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:30:40,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:30:40 BasicIcfg [2022-11-23 03:30:40,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:30:40,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:30:40,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:30:40,820 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:30:40,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:35" (3/4) ... [2022-11-23 03:30:40,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:30:40,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-23 03:30:40,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-23 03:30:40,836 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-23 03:30:40,836 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 03:30:40,837 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 03:30:40,837 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:30:40,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:30:40,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:30:40,900 INFO L158 Benchmark]: Toolchain (without parser) took 6623.92ms. Allocated memory is still 195.0MB. Free memory was 149.3MB in the beginning and 124.5MB in the end (delta: 24.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-11-23 03:30:40,901 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:30:40,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.45ms. Allocated memory is still 195.0MB. Free memory was 149.3MB in the beginning and 138.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 03:30:40,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.88ms. Allocated memory is still 195.0MB. Free memory was 138.4MB in the beginning and 136.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:30:40,902 INFO L158 Benchmark]: Boogie Preprocessor took 65.78ms. Allocated memory is still 195.0MB. Free memory was 136.4MB in the beginning and 134.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:30:40,902 INFO L158 Benchmark]: RCFGBuilder took 758.68ms. Allocated memory is still 195.0MB. Free memory was 134.7MB in the beginning and 115.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:30:40,903 INFO L158 Benchmark]: TraceAbstraction took 5236.39ms. Allocated memory is still 195.0MB. Free memory was 114.7MB in the beginning and 126.7MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:30:40,903 INFO L158 Benchmark]: Witness Printer took 80.42ms. Allocated memory is still 195.0MB. Free memory was 126.7MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:30:40,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.45ms. Allocated memory is still 195.0MB. Free memory was 149.3MB in the beginning and 138.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.88ms. Allocated memory is still 195.0MB. Free memory was 138.4MB in the beginning and 136.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.78ms. Allocated memory is still 195.0MB. Free memory was 136.4MB in the beginning and 134.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.68ms. Allocated memory is still 195.0MB. Free memory was 134.7MB in the beginning and 115.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5236.39ms. Allocated memory is still 195.0MB. Free memory was 114.7MB in the beginning and 126.7MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.42ms. Allocated memory is still 195.0MB. Free memory was 126.7MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 109 PlacesBefore, 36 PlacesAfterwards, 107 TransitionsBefore, 33 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 125 TotalNumberOfCompositions, 2961 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2406, independent: 2344, independent conditional: 0, independent unconditional: 2344, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1211, independent: 1200, independent conditional: 0, independent unconditional: 1200, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1211, independent: 1159, independent conditional: 0, independent unconditional: 1159, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 64, independent conditional: 0, independent unconditional: 64, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2406, independent: 1144, independent conditional: 0, independent unconditional: 1144, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 1211, unknown conditional: 0, unknown unconditional: 1211] , Statistics on independence cache: Total cache size (in pairs): 145, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 155 locations, 26 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 03:30:40,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed52f0e-f7f2-491d-a5cd-f9412d287de6/bin/uautomizer-QkZJyEgLgS/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 Result: TRUE