./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R --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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:20:26,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:20:26,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:20:26,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:20:26,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:20:26,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:20:26,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:20:26,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:20:26,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:20:26,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:20:26,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:20:26,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:20:26,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:20:26,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:20:26,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:20:26,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:20:26,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:20:26,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:20:26,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:20:26,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:20:26,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:20:26,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:20:26,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:20:26,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:20:26,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:20:26,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:20:26,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:20:26,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:20:26,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:20:26,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:20:26,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:20:26,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:20:26,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:20:26,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:20:26,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:20:26,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:20:26,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:20:26,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:20:26,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:20:26,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:20:26,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:20:26,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:20:26,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:20:26,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:20:26,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:20:26,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:20:26,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:20:26,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:20:26,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:20:26,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:20:26,832 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:20:26,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:20:26,833 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:20:26,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:20:26,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:20:26,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:20:26,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:20:26,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:20:26,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:20:26,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:20:26,834 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:20:26,834 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:20:26,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:20:26,835 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:20:26,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:20:26,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:20:26,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:20:26,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:20:26,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:20:26,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:20:26,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:20:26,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:20:26,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:20:26,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:20:26,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:20:26,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:20:26,837 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:20:26,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:20:26,837 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_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2022-11-25 18:20:27,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:20:27,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:20:27,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:20:27,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:20:27,133 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:20:27,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-11-25 18:20:30,104 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:20:30,368 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:20:30,382 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-11-25 18:20:30,421 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/data/52be9e269/c3eccfc367374dbf9c0ce943579af914/FLAG8981741bb [2022-11-25 18:20:30,435 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/data/52be9e269/c3eccfc367374dbf9c0ce943579af914 [2022-11-25 18:20:30,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:20:30,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:20:30,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:20:30,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:20:30,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:20:30,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:30" (1/1) ... [2022-11-25 18:20:30,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e21e1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:30, skipping insertion in model container [2022-11-25 18:20:30,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:30" (1/1) ... [2022-11-25 18:20:30,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:20:30,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:20:31,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:20:31,088 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:20:31,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:20:31,246 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:20:31,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31 WrapperNode [2022-11-25 18:20:31,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:20:31,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:20:31,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:20:31,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:20:31,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,328 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-11-25 18:20:31,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:20:31,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:20:31,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:20:31,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:20:31,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:20:31,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:20:31,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:20:31,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:20:31,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (1/1) ... [2022-11-25 18:20:31,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:20:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:31,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:31,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:20:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:20:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:20:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:20:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:20:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:20:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 18:20:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 18:20:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:20:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:20:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:20:31,486 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:20:31,646 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:20:31,648 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:20:31,851 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:20:31,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:20:31,859 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:20:31,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:31 BoogieIcfgContainer [2022-11-25 18:20:31,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:20:31,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:20:31,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:20:31,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:20:31,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:30" (1/3) ... [2022-11-25 18:20:31,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2418fef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:31, skipping insertion in model container [2022-11-25 18:20:31,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:31" (2/3) ... [2022-11-25 18:20:31,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2418fef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:31, skipping insertion in model container [2022-11-25 18:20:31,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:31" (3/3) ... [2022-11-25 18:20:31,882 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2022-11-25 18:20:31,893 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:20:31,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:20:31,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 18:20:31,912 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:20:31,983 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:20:32,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 75 transitions, 155 flow [2022-11-25 18:20:32,140 INFO L130 PetriNetUnfolder]: 1/74 cut-off events. [2022-11-25 18:20:32,140 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:20:32,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 1/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-11-25 18:20:32,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 75 transitions, 155 flow [2022-11-25 18:20:32,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 74 transitions, 151 flow [2022-11-25 18:20:32,155 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:20:32,173 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 74 transitions, 151 flow [2022-11-25 18:20:32,176 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 74 transitions, 151 flow [2022-11-25 18:20:32,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 74 transitions, 151 flow [2022-11-25 18:20:32,201 INFO L130 PetriNetUnfolder]: 1/74 cut-off events. [2022-11-25 18:20:32,201 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:20:32,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 1/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-11-25 18:20:32,203 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-11-25 18:20:34,724 INFO L134 LiptonReduction]: Checked pairs total: 5499 [2022-11-25 18:20:34,724 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-11-25 18:20:34,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:20:34,755 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;@6f524bb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:20:34,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-25 18:20:34,760 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-11-25 18:20:34,760 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:20:34,761 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:20:34,761 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:34,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:20:34,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:34,767 INFO L85 PathProgramCache]: Analyzing trace with hash 741151503, now seen corresponding path program 1 times [2022-11-25 18:20:34,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:34,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974736330] [2022-11-25 18:20:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:35,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:35,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974736330] [2022-11-25 18:20:35,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974736330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:35,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:35,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:20:35,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562289322] [2022-11-25 18:20:35,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:35,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:20:35,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:35,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:20:35,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:20:35,801 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 119 [2022-11-25 18:20:35,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:35,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:20:35,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 119 [2022-11-25 18:20:35,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:20:35,999 INFO L130 PetriNetUnfolder]: 112/277 cut-off events. [2022-11-25 18:20:35,999 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:20:36,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 277 events. 112/277 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1157 event pairs, 36 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 525. Up to 182 conditions per place. [2022-11-25 18:20:36,007 INFO L137 encePairwiseOnDemand]: 108/119 looper letters, 34 selfloop transitions, 22 changer transitions 0/64 dead transitions. [2022-11-25 18:20:36,008 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 64 transitions, 243 flow [2022-11-25 18:20:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:20:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 18:20:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 405 transitions. [2022-11-25 18:20:36,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5672268907563025 [2022-11-25 18:20:36,030 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 405 transitions. [2022-11-25 18:20:36,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 405 transitions. [2022-11-25 18:20:36,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:36,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 405 transitions. [2022-11-25 18:20:36,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 67.5) internal successors, (405), 6 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,052 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,054 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 405 transitions. [2022-11-25 18:20:36,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 64 transitions, 243 flow [2022-11-25 18:20:36,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 18:20:36,060 INFO L231 Difference]: Finished difference. Result has 43 places, 51 transitions, 212 flow [2022-11-25 18:20:36,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=212, PETRI_PLACES=43, PETRI_TRANSITIONS=51} [2022-11-25 18:20:36,066 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2022-11-25 18:20:36,070 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 51 transitions, 212 flow [2022-11-25 18:20:36,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,072 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:20:36,072 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:36,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:20:36,073 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:20:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:36,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1159531522, now seen corresponding path program 1 times [2022-11-25 18:20:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:36,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488583084] [2022-11-25 18:20:36,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:36,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:36,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:36,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488583084] [2022-11-25 18:20:36,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488583084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:36,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:36,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:20:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948867356] [2022-11-25 18:20:36,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:36,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:20:36,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:36,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:20:36,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:20:36,599 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 119 [2022-11-25 18:20:36,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 51 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,599 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:20:36,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 119 [2022-11-25 18:20:36,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:20:36,811 INFO L130 PetriNetUnfolder]: 141/362 cut-off events. [2022-11-25 18:20:36,812 INFO L131 PetriNetUnfolder]: For 125/128 co-relation queries the response was YES. [2022-11-25 18:20:36,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 362 events. 141/362 cut-off events. For 125/128 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1673 event pairs, 44 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 846. Up to 223 conditions per place. [2022-11-25 18:20:36,819 INFO L137 encePairwiseOnDemand]: 108/119 looper letters, 45 selfloop transitions, 26 changer transitions 0/84 dead transitions. [2022-11-25 18:20:36,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 84 transitions, 438 flow [2022-11-25 18:20:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:20:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 18:20:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 385 transitions. [2022-11-25 18:20:36,825 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5392156862745098 [2022-11-25 18:20:36,825 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 385 transitions. [2022-11-25 18:20:36,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 385 transitions. [2022-11-25 18:20:36,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:36,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 385 transitions. [2022-11-25 18:20:36,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,834 INFO L175 Difference]: Start difference. First operand has 43 places, 51 transitions, 212 flow. Second operand 6 states and 385 transitions. [2022-11-25 18:20:36,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 84 transitions, 438 flow [2022-11-25 18:20:36,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 84 transitions, 438 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:20:36,841 INFO L231 Difference]: Finished difference. Result has 53 places, 72 transitions, 396 flow [2022-11-25 18:20:36,842 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=53, PETRI_TRANSITIONS=72} [2022-11-25 18:20:36,842 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 19 predicate places. [2022-11-25 18:20:36,842 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 72 transitions, 396 flow [2022-11-25 18:20:36,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:36,843 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:20:36,843 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:36,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:20:36,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:20:36,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash -482984922, now seen corresponding path program 1 times [2022-11-25 18:20:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:36,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484748676] [2022-11-25 18:20:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:36,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:37,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:37,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484748676] [2022-11-25 18:20:37,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484748676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:37,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:37,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:20:37,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706825521] [2022-11-25 18:20:37,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:37,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:20:37,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:37,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:20:37,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:20:37,242 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 119 [2022-11-25 18:20:37,243 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 72 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:37,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:20:37,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 119 [2022-11-25 18:20:37,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:20:37,460 INFO L130 PetriNetUnfolder]: 227/535 cut-off events. [2022-11-25 18:20:37,460 INFO L131 PetriNetUnfolder]: For 425/427 co-relation queries the response was YES. [2022-11-25 18:20:37,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 535 events. 227/535 cut-off events. For 425/427 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2506 event pairs, 62 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 1633. Up to 406 conditions per place. [2022-11-25 18:20:37,466 INFO L137 encePairwiseOnDemand]: 105/119 looper letters, 68 selfloop transitions, 49 changer transitions 4/127 dead transitions. [2022-11-25 18:20:37,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 127 transitions, 862 flow [2022-11-25 18:20:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:20:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 18:20:37,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 368 transitions. [2022-11-25 18:20:37,470 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5154061624649859 [2022-11-25 18:20:37,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 368 transitions. [2022-11-25 18:20:37,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 368 transitions. [2022-11-25 18:20:37,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:37,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 368 transitions. [2022-11-25 18:20:37,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 61.333333333333336) internal successors, (368), 6 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:37,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:37,474 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:37,474 INFO L175 Difference]: Start difference. First operand has 53 places, 72 transitions, 396 flow. Second operand 6 states and 368 transitions. [2022-11-25 18:20:37,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 127 transitions, 862 flow [2022-11-25 18:20:37,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 127 transitions, 862 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:20:37,482 INFO L231 Difference]: Finished difference. Result has 62 places, 115 transitions, 783 flow [2022-11-25 18:20:37,482 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=783, PETRI_PLACES=62, PETRI_TRANSITIONS=115} [2022-11-25 18:20:37,483 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 28 predicate places. [2022-11-25 18:20:37,483 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 115 transitions, 783 flow [2022-11-25 18:20:37,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:37,484 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:20:37,484 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:37,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:20:37,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:20:37,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:37,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1453554740, now seen corresponding path program 1 times [2022-11-25 18:20:37,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:37,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106085382] [2022-11-25 18:20:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:37,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106085382] [2022-11-25 18:20:37,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106085382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:37,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:37,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:20:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074151490] [2022-11-25 18:20:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:37,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:20:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:20:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:20:37,851 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 119 [2022-11-25 18:20:37,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 115 transitions, 783 flow. Second operand has 6 states, 6 states have (on average 54.333333333333336) internal successors, (326), 6 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:37,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:20:37,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 119 [2022-11-25 18:20:37,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:20:38,073 INFO L130 PetriNetUnfolder]: 276/634 cut-off events. [2022-11-25 18:20:38,074 INFO L131 PetriNetUnfolder]: For 924/940 co-relation queries the response was YES. [2022-11-25 18:20:38,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2379 conditions, 634 events. 276/634 cut-off events. For 924/940 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3088 event pairs, 65 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 2356. Up to 523 conditions per place. [2022-11-25 18:20:38,079 INFO L137 encePairwiseOnDemand]: 105/119 looper letters, 105 selfloop transitions, 57 changer transitions 4/170 dead transitions. [2022-11-25 18:20:38,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 170 transitions, 1425 flow [2022-11-25 18:20:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:20:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 18:20:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 387 transitions. [2022-11-25 18:20:38,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.542016806722689 [2022-11-25 18:20:38,082 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 387 transitions. [2022-11-25 18:20:38,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 387 transitions. [2022-11-25 18:20:38,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:38,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 387 transitions. [2022-11-25 18:20:38,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:38,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:38,086 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:38,086 INFO L175 Difference]: Start difference. First operand has 62 places, 115 transitions, 783 flow. Second operand 6 states and 387 transitions. [2022-11-25 18:20:38,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 170 transitions, 1425 flow [2022-11-25 18:20:38,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 170 transitions, 1369 flow, removed 28 selfloop flow, removed 0 redundant places. [2022-11-25 18:20:38,098 INFO L231 Difference]: Finished difference. Result has 71 places, 158 transitions, 1200 flow [2022-11-25 18:20:38,098 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1200, PETRI_PLACES=71, PETRI_TRANSITIONS=158} [2022-11-25 18:20:38,099 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 37 predicate places. [2022-11-25 18:20:38,099 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 158 transitions, 1200 flow [2022-11-25 18:20:38,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.333333333333336) internal successors, (326), 6 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:38,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:20:38,100 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:38,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:20:38,100 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:20:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1696646879, now seen corresponding path program 1 times [2022-11-25 18:20:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625488664] [2022-11-25 18:20:38,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:38,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:38,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:38,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:38,164 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:20:38,165 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-25 18:20:38,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-25 18:20:38,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-25 18:20:38,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-25 18:20:38,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-25 18:20:38,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-25 18:20:38,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-25 18:20:38,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:20:38,169 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 18:20:38,176 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:20:38,176 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:20:38,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:20:38 BasicIcfg [2022-11-25 18:20:38,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:20:38,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:20:38,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:20:38,208 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:20:38,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:31" (3/4) ... [2022-11-25 18:20:38,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:20:38,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:20:38,212 INFO L158 Benchmark]: Toolchain (without parser) took 7772.56ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 147.9MB in the beginning and 68.3MB in the end (delta: 79.6MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2022-11-25 18:20:38,213 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 73.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:20:38,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.07ms. Allocated memory is still 176.2MB. Free memory was 147.9MB in the beginning and 120.6MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 18:20:38,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.54ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 118.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:20:38,214 INFO L158 Benchmark]: Boogie Preprocessor took 70.83ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:20:38,215 INFO L158 Benchmark]: RCFGBuilder took 461.08ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 102.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:20:38,216 INFO L158 Benchmark]: TraceAbstraction took 6342.42ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 101.9MB in the beginning and 68.3MB in the end (delta: 33.6MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-11-25 18:20:38,216 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 211.8MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:20:38,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 73.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.07ms. Allocated memory is still 176.2MB. Free memory was 147.9MB in the beginning and 120.6MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.54ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 118.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.83ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.08ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 102.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6342.42ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 101.9MB in the beginning and 68.3MB in the end (delta: 33.6MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 211.8MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 77 PlacesBefore, 34 PlacesAfterwards, 74 TransitionsBefore, 30 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 44 TotalNumberOfCompositions, 5499 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1384, independent: 1079, independent conditional: 0, independent unconditional: 1079, dependent: 305, dependent conditional: 0, dependent unconditional: 305, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 695, independent: 600, independent conditional: 0, independent unconditional: 600, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 695, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 139, dependent conditional: 0, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 139, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 510, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 352, dependent conditional: 0, dependent unconditional: 352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1384, independent: 479, independent conditional: 0, independent unconditional: 479, dependent: 210, dependent conditional: 0, dependent unconditional: 210, unknown: 695, unknown conditional: 0, unknown unconditional: 695] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; [L927] 0 int *i,j = __VERIFIER_nondet_int(); [L927] 0 int *i,j = __VERIFIER_nondet_int(); [L928] 0 pthread_t id; [L929] COND TRUE 0 \read(j) [L929] 0 i = &data.x [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L932] EXPR 0 \read(*i) VAL [\read(*i)=0, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [(*i)++=9, (*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] Now there is a data race (on the heap) between C: (*i)++ [932] and C: data.x++ [923] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 99 locations, 7 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: 6.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 862 IncrementalHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 1 mSDtfsCounter, 862 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1200occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 18:20:38,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ea6698-32be-41f0-a80e-31b06ae744a5/bin/uautomizer-ZsLfNo2U6R/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