./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G --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 f6ac8e3fa6c8942d1934329d4aab2bad69a86bc8873927fe052914d5204c0486 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:12:09,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:12:09,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:12:09,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:12:09,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:12:09,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:12:09,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:12:09,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:12:09,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:12:09,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:12:09,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:12:09,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:12:09,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:12:09,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:12:09,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:12:09,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:12:09,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:12:09,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:12:09,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:12:09,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:12:09,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:12:09,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:12:09,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:12:09,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:12:09,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:12:09,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:12:09,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:12:09,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:12:09,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:12:09,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:12:09,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:12:09,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:12:09,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:12:09,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:12:09,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:12:09,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:12:09,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:12:09,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:12:09,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:12:09,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:12:09,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:12:09,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-23 13:12:09,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:12:09,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:12:09,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:12:09,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:12:09,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 13:12:09,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 13:12:09,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:12:09,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:12:09,251 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:12:09,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:12:09,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:12:09,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:12:09,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:12:09,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:12:09,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:12:09,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:12:09,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:12:09,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:12:09,254 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 13:12:09,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:12:09,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:12:09,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:12:09,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:12:09,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:12:09,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:12:09,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:12:09,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:12:09,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:12:09,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:12:09,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:12:09,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:12:09,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:12:09,258 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:12:09,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:12:09,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:12:09,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:12:09,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6ac8e3fa6c8942d1934329d4aab2bad69a86bc8873927fe052914d5204c0486 [2021-11-23 13:12:09,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:12:09,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:12:09,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:12:09,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:12:09,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:12:09,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i [2021-11-23 13:12:09,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/data/d24eb34de/687c686de7104070a4cbc688e69f1efc/FLAGf7f51431d [2021-11-23 13:12:10,354 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:12:10,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/sv-benchmarks/c/goblint-regression/04-mutex_16-ps_add1_rc.i [2021-11-23 13:12:10,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/data/d24eb34de/687c686de7104070a4cbc688e69f1efc/FLAGf7f51431d [2021-11-23 13:12:10,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/data/d24eb34de/687c686de7104070a4cbc688e69f1efc [2021-11-23 13:12:10,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:12:10,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:12:10,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:12:10,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:12:10,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:12:10,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:10" (1/1) ... [2021-11-23 13:12:10,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206a9176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:10, skipping insertion in model container [2021-11-23 13:12:10,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:10" (1/1) ... [2021-11-23 13:12:10,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:12:10,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:12:11,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:12:11,278 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:12:11,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:12:11,457 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:12:11,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11 WrapperNode [2021-11-23 13:12:11,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:12:11,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:12:11,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:12:11,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:12:11,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,536 INFO L137 Inliner]: procedures = 266, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-23 13:12:11,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:12:11,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:12:11,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:12:11,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:12:11,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:12:11,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:12:11,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:12:11,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:12:11,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (1/1) ... [2021-11-23 13:12:11,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:12:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:12:11,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:12:11,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:12:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 13:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:12:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 13:12:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 13:12:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:12:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:12:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:12:11,702 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 13:12:11,872 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:12:11,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:12:12,122 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:12:12,130 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:12:12,130 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:12:12,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:12 BoogieIcfgContainer [2021-11-23 13:12:12,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:12:12,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:12:12,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:12:12,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:12:12,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:12:10" (1/3) ... [2021-11-23 13:12:12,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bd784c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:12:12, skipping insertion in model container [2021-11-23 13:12:12,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:11" (2/3) ... [2021-11-23 13:12:12,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bd784c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:12:12, skipping insertion in model container [2021-11-23 13:12:12,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:12" (3/3) ... [2021-11-23 13:12:12,142 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2021-11-23 13:12:12,148 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 13:12:12,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:12:12,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-23 13:12:12,148 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 13:12:12,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,177 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,177 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,177 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,178 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,178 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,189 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,189 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:12:12,193 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 13:12:12,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:12:12,259 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:12:12,260 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-23 13:12:12,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 169 flow [2021-11-23 13:12:12,336 INFO L129 PetriNetUnfolder]: 3/81 cut-off events. [2021-11-23 13:12:12,336 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:12:12,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 3/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-11-23 13:12:12,340 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 82 transitions, 169 flow [2021-11-23 13:12:12,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 81 transitions, 165 flow [2021-11-23 13:12:12,373 INFO L129 PetriNetUnfolder]: 1/40 cut-off events. [2021-11-23 13:12:12,374 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:12:12,374 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:12:12,375 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:12:12,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:12:12,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:12:12,383 INFO L85 PathProgramCache]: Analyzing trace with hash 634198338, now seen corresponding path program 1 times [2021-11-23 13:12:12,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:12:12,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801414873] [2021-11-23 13:12:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:12:12,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:12:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:12:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:12:12,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:12:12,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801414873] [2021-11-23 13:12:12,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801414873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:12:12,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:12:12,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:12:12,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663221331] [2021-11-23 13:12:12,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:12:12,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:12:12,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:12:12,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:12:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:12:12,702 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 82 [2021-11-23 13:12:12,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 81 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2021-11-23 13:12:12,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:12:12,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 82 [2021-11-23 13:12:12,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:12:12,816 INFO L129 PetriNetUnfolder]: 45/271 cut-off events. [2021-11-23 13:12:12,816 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-23 13:12:12,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 271 events. 45/271 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1051 event pairs, 12 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 334. Up to 54 conditions per place. [2021-11-23 13:12:12,828 INFO L132 encePairwiseOnDemand]: 74/82 looper letters, 17 selfloop transitions, 6 changer transitions 0/91 dead transitions. [2021-11-23 13:12:12,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 91 transitions, 231 flow [2021-11-23 13:12:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:12:12,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:12:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2021-11-23 13:12:12,845 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.943089430894309 [2021-11-23 13:12:12,846 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2021-11-23 13:12:12,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2021-11-23 13:12:12,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:12:12,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2021-11-23 13:12:12,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2021-11-23 13:12:12,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-11-23 13:12:12,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-11-23 13:12:12,865 INFO L186 Difference]: Start difference. First operand has 82 places, 81 transitions, 165 flow. Second operand 3 states and 232 transitions. [2021-11-23 13:12:12,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 91 transitions, 231 flow [2021-11-23 13:12:12,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 91 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-23 13:12:12,876 INFO L242 Difference]: Finished difference. Result has 85 places, 87 transitions, 216 flow [2021-11-23 13:12:12,878 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2021-11-23 13:12:12,882 INFO L334 CegarLoopForPetriNet]: 82 programPoint places, 3 predicate places. [2021-11-23 13:12:12,883 INFO L470 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 216 flow [2021-11-23 13:12:12,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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) [2021-11-23 13:12:12,883 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:12:12,884 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:12:12,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:12:12,884 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:12:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:12:12,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1742084075, now seen corresponding path program 1 times [2021-11-23 13:12:12,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:12:12,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276008896] [2021-11-23 13:12:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:12:12,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:12:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:12:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:12:13,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:12:13,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276008896] [2021-11-23 13:12:13,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276008896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:12:13,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:12:13,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:12:13,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823328528] [2021-11-23 13:12:13,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:12:13,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:12:13,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:12:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:12:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:12:13,012 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 82 [2021-11-23 13:12:13,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2021-11-23 13:12:13,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:12:13,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 82 [2021-11-23 13:12:13,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:12:13,166 INFO L129 PetriNetUnfolder]: 67/379 cut-off events. [2021-11-23 13:12:13,166 INFO L130 PetriNetUnfolder]: For 87/98 co-relation queries the response was YES. [2021-11-23 13:12:13,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 379 events. 67/379 cut-off events. For 87/98 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1855 event pairs, 23 based on Foata normal form. 2/343 useless extension candidates. Maximal degree in co-relation 575. Up to 102 conditions per place. [2021-11-23 13:12:13,171 INFO L132 encePairwiseOnDemand]: 76/82 looper letters, 23 selfloop transitions, 7 changer transitions 2/97 dead transitions. [2021-11-23 13:12:13,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 97 transitions, 316 flow [2021-11-23 13:12:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:12:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:12:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2021-11-23 13:12:13,174 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9146341463414634 [2021-11-23 13:12:13,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 225 transitions. [2021-11-23 13:12:13,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 225 transitions. [2021-11-23 13:12:13,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:12:13,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 225 transitions. [2021-11-23 13:12:13,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-11-23 13:12:13,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-11-23 13:12:13,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-11-23 13:12:13,179 INFO L186 Difference]: Start difference. First operand has 85 places, 87 transitions, 216 flow. Second operand 3 states and 225 transitions. [2021-11-23 13:12:13,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 97 transitions, 316 flow [2021-11-23 13:12:13,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 97 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:12:13,185 INFO L242 Difference]: Finished difference. Result has 87 places, 91 transitions, 258 flow [2021-11-23 13:12:13,186 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=87, PETRI_TRANSITIONS=91} [2021-11-23 13:12:13,187 INFO L334 CegarLoopForPetriNet]: 82 programPoint places, 5 predicate places. [2021-11-23 13:12:13,187 INFO L470 AbstractCegarLoop]: Abstraction has has 87 places, 91 transitions, 258 flow [2021-11-23 13:12:13,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2021-11-23 13:12:13,187 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:12:13,188 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:12:13,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:12:13,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:12:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:12:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash -859917457, now seen corresponding path program 1 times [2021-11-23 13:12:13,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:12:13,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460368629] [2021-11-23 13:12:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:12:13,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:12:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:12:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:12:13,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:12:13,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460368629] [2021-11-23 13:12:13,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460368629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:12:13,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:12:13,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:12:13,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294166261] [2021-11-23 13:12:13,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:12:13,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:12:13,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:12:13,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:12:13,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:12:13,246 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 82 [2021-11-23 13:12:13,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 91 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2021-11-23 13:12:13,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:12:13,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 82 [2021-11-23 13:12:13,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:12:13,348 INFO L129 PetriNetUnfolder]: 65/348 cut-off events. [2021-11-23 13:12:13,348 INFO L130 PetriNetUnfolder]: For 148/156 co-relation queries the response was YES. [2021-11-23 13:12:13,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 348 events. 65/348 cut-off events. For 148/156 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1642 event pairs, 16 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 621. Up to 101 conditions per place. [2021-11-23 13:12:13,356 INFO L132 encePairwiseOnDemand]: 76/82 looper letters, 28 selfloop transitions, 8 changer transitions 2/102 dead transitions. [2021-11-23 13:12:13,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 102 transitions, 382 flow [2021-11-23 13:12:13,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:12:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:12:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2021-11-23 13:12:13,363 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9065040650406504 [2021-11-23 13:12:13,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2021-11-23 13:12:13,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2021-11-23 13:12:13,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:12:13,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2021-11-23 13:12:13,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2021-11-23 13:12:13,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-11-23 13:12:13,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2021-11-23 13:12:13,371 INFO L186 Difference]: Start difference. First operand has 87 places, 91 transitions, 258 flow. Second operand 3 states and 223 transitions. [2021-11-23 13:12:13,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 102 transitions, 382 flow [2021-11-23 13:12:13,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 102 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:12:13,385 INFO L242 Difference]: Finished difference. Result has 89 places, 94 transitions, 298 flow [2021-11-23 13:12:13,386 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=89, PETRI_TRANSITIONS=94} [2021-11-23 13:12:13,389 INFO L334 CegarLoopForPetriNet]: 82 programPoint places, 7 predicate places. [2021-11-23 13:12:13,389 INFO L470 AbstractCegarLoop]: Abstraction has has 89 places, 94 transitions, 298 flow [2021-11-23 13:12:13,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2021-11-23 13:12:13,390 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:12:13,391 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:12:13,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:12:13,392 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 13:12:13,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:12:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1641556126, now seen corresponding path program 1 times [2021-11-23 13:12:13,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:12:13,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019441238] [2021-11-23 13:12:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:12:13,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:12:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:12:13,443 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:12:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:12:13,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:12:13,518 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:12:13,519 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-23 13:12:13,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-23 13:12:13,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-23 13:12:13,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2021-11-23 13:12:13,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-23 13:12:13,522 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-23 13:12:13,523 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-23 13:12:13,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:12:13,527 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 13:12:13,534 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 13:12:13,534 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:12:13,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:12:13 BasicIcfg [2021-11-23 13:12:13,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:12:13,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:12:13,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:12:13,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:12:13,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:12" (3/4) ... [2021-11-23 13:12:13,579 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:12:13,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:12:13,581 INFO L158 Benchmark]: Toolchain (without parser) took 3003.69ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 65.7MB in the beginning and 74.0MB in the end (delta: -8.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 13:12:13,581 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:12:13,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.74ms. Allocated memory is still 88.1MB. Free memory was 65.4MB in the beginning and 44.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 13:12:13,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.72ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:12:13,584 INFO L158 Benchmark]: Boogie Preprocessor took 53.98ms. Allocated memory is still 88.1MB. Free memory was 42.7MB in the beginning and 41.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:12:13,585 INFO L158 Benchmark]: RCFGBuilder took 539.78ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 79.2MB in the end (delta: -37.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 13:12:13,586 INFO L158 Benchmark]: TraceAbstraction took 1440.73ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 74.0MB in the end (delta: 4.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-11-23 13:12:13,586 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 107.0MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:12:13,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.74ms. Allocated memory is still 88.1MB. Free memory was 65.4MB in the beginning and 44.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.72ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 42.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.98ms. Allocated memory is still 88.1MB. Free memory was 42.7MB in the beginning and 41.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.78ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 79.2MB in the end (delta: -37.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1440.73ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 74.0MB in the end (delta: 4.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 107.0MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L937] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, glob=0, i=0, m={4:0}] [L938] 0 pthread_t id; VAL [glob=0, i=0, id={5:0}, m={4:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=0, id={5:0}, m={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] COND FALSE 0 !(\read(i)) VAL [arg={0:0}, glob=0, i=0, id={5:0}, m={4:0}] [L944] 0 i++ VAL [arg={0:0}, glob=0, i=1, id={5:0}, m={4:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, glob=0, i=1, id={5:0}, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={4:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={5:0}, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, m={4:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={5:0}, m={4:0}] Now there is a data race on ~glob~0 between C: glob++ [932] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 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. - 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: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 40 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 0.2s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces [2021-11-23 13:12:13,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83cd948c-a736-462b-9d47-7650a8108d11/bin/uautomizer-wIGwrQj20G/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