./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:48:42,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:48:42,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:48:42,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:48:42,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:48:42,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:48:42,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:48:42,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:48:42,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:48:42,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:48:42,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:48:42,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:48:42,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:48:42,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:48:42,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:48:42,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:48:42,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:48:42,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:48:42,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:48:42,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:48:42,179 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:48:42,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:48:42,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:48:42,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:48:42,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:48:42,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:48:42,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:48:42,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:48:42,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:48:42,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:48:42,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:48:42,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:48:42,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:48:42,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:48:42,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:48:42,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:48:42,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:48:42,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:48:42,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:48:42,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:48:42,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:48:42,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:48:42,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:48:42,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:48:42,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:48:42,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:48:42,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:48:42,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:48:42,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:48:42,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:48:42,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:48:42,237 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:48:42,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:48:42,238 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:48:42,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:48:42,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:48:42,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:48:42,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:48:42,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:48:42,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:48:42,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:48:42,240 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:48:42,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:48:42,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:48:42,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:48:42,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:48:42,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:48:42,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:48:42,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:48:42,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:48:42,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:48:42,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:48:42,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:48:42,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:48:42,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:48:42,244 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:48:42,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:48:42,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:48:42,244 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2022-04-18 15:48:42,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:48:42,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:48:42,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:48:42,523 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:48:42,523 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:48:42,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-04-18 15:48:42,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff405d346/fa5ad9af44184877873b4fd6e6e8baf4/FLAGe1a943380 [2022-04-18 15:48:43,166 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:48:43,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2022-04-18 15:48:43,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff405d346/fa5ad9af44184877873b4fd6e6e8baf4/FLAGe1a943380 [2022-04-18 15:48:43,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff405d346/fa5ad9af44184877873b4fd6e6e8baf4 [2022-04-18 15:48:43,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:48:43,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:48:43,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:48:43,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:48:43,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:48:43,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:48:43" (1/1) ... [2022-04-18 15:48:43,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9f8219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:43, skipping insertion in model container [2022-04-18 15:48:43,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:48:43" (1/1) ... [2022-04-18 15:48:43,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:48:43,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:48:43,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-04-18 15:48:43,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:48:43,973 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:48:43,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-04-18 15:48:44,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:48:44,044 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:48:44,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44 WrapperNode [2022-04-18 15:48:44,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:48:44,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:48:44,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:48:44,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:48:44,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,111 INFO L137 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 117 [2022-04-18 15:48:44,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:48:44,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:48:44,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:48:44,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:48:44,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:48:44,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:48:44,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:48:44,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:48:44,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (1/1) ... [2022-04-18 15:48:44,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:48:44,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:48:44,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 15:48:44,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 15:48:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 15:48:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:48:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:48:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:48:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:48:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 15:48:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 15:48:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:48:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:48:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:48:44,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:48:44,240 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:48:44,355 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:48:44,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:48:44,572 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:48:44,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:48:44,590 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 15:48:44,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:44 BoogieIcfgContainer [2022-04-18 15:48:44,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:48:44,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:48:44,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:48:44,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:48:44,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:48:43" (1/3) ... [2022-04-18 15:48:44,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4119a4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:48:44, skipping insertion in model container [2022-04-18 15:48:44,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:44" (2/3) ... [2022-04-18 15:48:44,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4119a4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:48:44, skipping insertion in model container [2022-04-18 15:48:44,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:44" (3/3) ... [2022-04-18 15:48:44,601 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2022-04-18 15:48:44,606 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:48:44,607 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:48:44,607 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-04-18 15:48:44,607 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:48:44,657 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 15:48:44,697 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:48:44,703 INFO L340 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 [2022-04-18 15:48:44,704 INFO L341 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-04-18 15:48:44,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 298 flow [2022-04-18 15:48:44,761 INFO L129 PetriNetUnfolder]: 4/144 cut-off events. [2022-04-18 15:48:44,762 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:44,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 4/144 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-04-18 15:48:44,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 298 flow [2022-04-18 15:48:44,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 136 transitions, 275 flow [2022-04-18 15:48:44,779 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2022-04-18 15:48:44,779 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:48:44,780 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:44,780 INFO L255 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] [2022-04-18 15:48:44,781 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:44,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:44,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1059247753, now seen corresponding path program 1 times [2022-04-18 15:48:44,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483995708] [2022-04-18 15:48:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:45,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:45,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483995708] [2022-04-18 15:48:45,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483995708] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:45,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:45,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:45,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159554246] [2022-04-18 15:48:45,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:45,037 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:45,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:45,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:45,071 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 145 [2022-04-18 15:48:45,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 136 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-04-18 15:48:45,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:45,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 145 [2022-04-18 15:48:45,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:45,353 INFO L129 PetriNetUnfolder]: 195/1041 cut-off events. [2022-04-18 15:48:45,354 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:45,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1490 conditions, 1041 events. 195/1041 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6761 event pairs, 76 based on Foata normal form. 54/924 useless extension candidates. Maximal degree in co-relation 1439. Up to 224 conditions per place. [2022-04-18 15:48:45,365 INFO L132 encePairwiseOnDemand]: 120/145 looper letters, 37 selfloop transitions, 15 changer transitions 1/149 dead transitions. [2022-04-18 15:48:45,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 149 transitions, 405 flow [2022-04-18 15:48:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2022-04-18 15:48:45,387 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8735632183908046 [2022-04-18 15:48:45,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 380 transitions. [2022-04-18 15:48:45,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 380 transitions. [2022-04-18 15:48:45,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:45,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 380 transitions. [2022-04-18 15:48:45,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2022-04-18 15:48:45,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:45,420 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:45,422 INFO L186 Difference]: Start difference. First operand has 136 places, 136 transitions, 275 flow. Second operand 3 states and 380 transitions. [2022-04-18 15:48:45,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 149 transitions, 405 flow [2022-04-18 15:48:45,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 149 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:48:45,430 INFO L242 Difference]: Finished difference. Result has 134 places, 140 transitions, 380 flow [2022-04-18 15:48:45,432 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=134, PETRI_TRANSITIONS=140} [2022-04-18 15:48:45,435 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -2 predicate places. [2022-04-18 15:48:45,435 INFO L478 AbstractCegarLoop]: Abstraction has has 134 places, 140 transitions, 380 flow [2022-04-18 15:48:45,435 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-04-18 15:48:45,436 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:45,436 INFO L255 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, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:45,436 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:48:45,436 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:45,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:45,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2093379663, now seen corresponding path program 1 times [2022-04-18 15:48:45,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:45,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869921595] [2022-04-18 15:48:45,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:45,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:45,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:45,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869921595] [2022-04-18 15:48:45,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869921595] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:45,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:45,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:45,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003376040] [2022-04-18 15:48:45,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:45,539 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:45,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:45,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:45,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:45,542 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 145 [2022-04-18 15:48:45,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 140 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2022-04-18 15:48:45,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:45,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 145 [2022-04-18 15:48:45,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:45,726 INFO L129 PetriNetUnfolder]: 235/1167 cut-off events. [2022-04-18 15:48:45,726 INFO L130 PetriNetUnfolder]: For 413/448 co-relation queries the response was YES. [2022-04-18 15:48:45,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2152 conditions, 1167 events. 235/1167 cut-off events. For 413/448 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7752 event pairs, 111 based on Foata normal form. 2/1019 useless extension candidates. Maximal degree in co-relation 2098. Up to 471 conditions per place. [2022-04-18 15:48:45,733 INFO L132 encePairwiseOnDemand]: 137/145 looper letters, 55 selfloop transitions, 10 changer transitions 0/158 dead transitions. [2022-04-18 15:48:45,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 158 transitions, 582 flow [2022-04-18 15:48:45,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2022-04-18 15:48:45,736 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8137931034482758 [2022-04-18 15:48:45,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 354 transitions. [2022-04-18 15:48:45,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 354 transitions. [2022-04-18 15:48:45,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:45,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 354 transitions. [2022-04-18 15:48:45,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) [2022-04-18 15:48:45,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:45,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:45,740 INFO L186 Difference]: Start difference. First operand has 134 places, 140 transitions, 380 flow. Second operand 3 states and 354 transitions. [2022-04-18 15:48:45,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 158 transitions, 582 flow [2022-04-18 15:48:45,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 158 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:45,747 INFO L242 Difference]: Finished difference. Result has 135 places, 148 transitions, 436 flow [2022-04-18 15:48:45,748 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=135, PETRI_TRANSITIONS=148} [2022-04-18 15:48:45,748 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -1 predicate places. [2022-04-18 15:48:45,749 INFO L478 AbstractCegarLoop]: Abstraction has has 135 places, 148 transitions, 436 flow [2022-04-18 15:48:45,749 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2022-04-18 15:48:45,749 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:45,749 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:45,750 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:48:45,750 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:45,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:45,751 INFO L85 PathProgramCache]: Analyzing trace with hash 80635508, now seen corresponding path program 1 times [2022-04-18 15:48:45,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:45,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995258966] [2022-04-18 15:48:45,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:45,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:45,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995258966] [2022-04-18 15:48:45,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995258966] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:45,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:45,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:48:45,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961357712] [2022-04-18 15:48:45,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:45,822 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:45,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:45,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:45,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:45,824 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2022-04-18 15:48:45,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 148 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2022-04-18 15:48:45,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:45,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2022-04-18 15:48:45,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:45,868 INFO L129 PetriNetUnfolder]: 1/192 cut-off events. [2022-04-18 15:48:45,868 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-04-18 15:48:45,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 192 events. 1/192 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 201 event pairs, 0 based on Foata normal form. 2/180 useless extension candidates. Maximal degree in co-relation 203. Up to 21 conditions per place. [2022-04-18 15:48:45,870 INFO L132 encePairwiseOnDemand]: 141/145 looper letters, 7 selfloop transitions, 4 changer transitions 1/122 dead transitions. [2022-04-18 15:48:45,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 122 transitions, 320 flow [2022-04-18 15:48:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2022-04-18 15:48:45,872 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8919540229885058 [2022-04-18 15:48:45,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2022-04-18 15:48:45,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2022-04-18 15:48:45,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:45,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2022-04-18 15:48:45,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-04-18 15:48:45,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:45,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:45,878 INFO L186 Difference]: Start difference. First operand has 135 places, 148 transitions, 436 flow. Second operand 3 states and 388 transitions. [2022-04-18 15:48:45,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 122 transitions, 320 flow [2022-04-18 15:48:45,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 290 flow, removed 11 selfloop flow, removed 4 redundant places. [2022-04-18 15:48:45,884 INFO L242 Difference]: Finished difference. Result has 127 places, 121 transitions, 274 flow [2022-04-18 15:48:45,884 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=127, PETRI_TRANSITIONS=121} [2022-04-18 15:48:45,886 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -9 predicate places. [2022-04-18 15:48:45,887 INFO L478 AbstractCegarLoop]: Abstraction has has 127 places, 121 transitions, 274 flow [2022-04-18 15:48:45,887 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2022-04-18 15:48:45,887 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:45,888 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:45,888 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 15:48:45,888 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:45,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:45,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1811577777, now seen corresponding path program 1 times [2022-04-18 15:48:45,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:45,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213579413] [2022-04-18 15:48:45,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:45,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:45,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:45,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213579413] [2022-04-18 15:48:45,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213579413] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:45,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:45,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:45,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512245078] [2022-04-18 15:48:45,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:45,939 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:45,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:45,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:45,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:45,948 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 145 [2022-04-18 15:48:45,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 121 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-04-18 15:48:45,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:45,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 145 [2022-04-18 15:48:45,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:45,998 INFO L129 PetriNetUnfolder]: 1/188 cut-off events. [2022-04-18 15:48:45,999 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 15:48:45,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 188 events. 1/188 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 185 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 214. Up to 44 conditions per place. [2022-04-18 15:48:46,000 INFO L132 encePairwiseOnDemand]: 142/145 looper letters, 25 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2022-04-18 15:48:46,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 326 flow [2022-04-18 15:48:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:46,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2022-04-18 15:48:46,002 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7701149425287356 [2022-04-18 15:48:46,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2022-04-18 15:48:46,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2022-04-18 15:48:46,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:46,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2022-04-18 15:48:46,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2022-04-18 15:48:46,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:46,006 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:46,006 INFO L186 Difference]: Start difference. First operand has 127 places, 121 transitions, 274 flow. Second operand 3 states and 335 transitions. [2022-04-18 15:48:46,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 326 flow [2022-04-18 15:48:46,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:48:46,010 INFO L242 Difference]: Finished difference. Result has 126 places, 120 transitions, 272 flow [2022-04-18 15:48:46,010 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=126, PETRI_TRANSITIONS=120} [2022-04-18 15:48:46,011 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -10 predicate places. [2022-04-18 15:48:46,011 INFO L478 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 272 flow [2022-04-18 15:48:46,012 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-04-18 15:48:46,012 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:46,012 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:46,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 15:48:46,013 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:46,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:46,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1341559514, now seen corresponding path program 1 times [2022-04-18 15:48:46,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:46,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383362541] [2022-04-18 15:48:46,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:46,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:46,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383362541] [2022-04-18 15:48:46,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383362541] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:46,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:46,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:46,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309212128] [2022-04-18 15:48:46,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:46,067 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:46,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:46,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:46,069 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 145 [2022-04-18 15:48:46,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2022-04-18 15:48:46,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:46,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 145 [2022-04-18 15:48:46,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:46,120 INFO L129 PetriNetUnfolder]: 1/186 cut-off events. [2022-04-18 15:48:46,120 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-04-18 15:48:46,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 186 events. 1/186 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 179 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 210. Up to 43 conditions per place. [2022-04-18 15:48:46,121 INFO L132 encePairwiseOnDemand]: 142/145 looper letters, 25 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2022-04-18 15:48:46,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 324 flow [2022-04-18 15:48:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2022-04-18 15:48:46,122 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7632183908045977 [2022-04-18 15:48:46,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions. [2022-04-18 15:48:46,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions. [2022-04-18 15:48:46,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:46,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions. [2022-04-18 15:48:46,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2022-04-18 15:48:46,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:46,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:46,125 INFO L186 Difference]: Start difference. First operand has 126 places, 120 transitions, 272 flow. Second operand 3 states and 332 transitions. [2022-04-18 15:48:46,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 324 flow [2022-04-18 15:48:46,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 119 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:46,128 INFO L242 Difference]: Finished difference. Result has 125 places, 119 transitions, 270 flow [2022-04-18 15:48:46,128 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=125, PETRI_TRANSITIONS=119} [2022-04-18 15:48:46,129 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -11 predicate places. [2022-04-18 15:48:46,129 INFO L478 AbstractCegarLoop]: Abstraction has has 125 places, 119 transitions, 270 flow [2022-04-18 15:48:46,130 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2022-04-18 15:48:46,130 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:46,130 INFO L255 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, 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] [2022-04-18 15:48:46,130 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 15:48:46,130 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:46,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:46,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1421270660, now seen corresponding path program 1 times [2022-04-18 15:48:46,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:46,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128246550] [2022-04-18 15:48:46,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:46,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:46,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128246550] [2022-04-18 15:48:46,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128246550] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:46,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:46,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:46,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455399457] [2022-04-18 15:48:46,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:46,167 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:46,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:46,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:46,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:46,168 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 145 [2022-04-18 15:48:46,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 119 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2022-04-18 15:48:46,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:46,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 145 [2022-04-18 15:48:46,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:46,205 INFO L129 PetriNetUnfolder]: 1/184 cut-off events. [2022-04-18 15:48:46,205 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-04-18 15:48:46,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 184 events. 1/184 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 173 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 206. Up to 40 conditions per place. [2022-04-18 15:48:46,206 INFO L132 encePairwiseOnDemand]: 142/145 looper letters, 23 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2022-04-18 15:48:46,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 318 flow [2022-04-18 15:48:46,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:46,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2022-04-18 15:48:46,208 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7655172413793103 [2022-04-18 15:48:46,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 333 transitions. [2022-04-18 15:48:46,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 333 transitions. [2022-04-18 15:48:46,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:46,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 333 transitions. [2022-04-18 15:48:46,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2022-04-18 15:48:46,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:46,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2022-04-18 15:48:46,211 INFO L186 Difference]: Start difference. First operand has 125 places, 119 transitions, 270 flow. Second operand 3 states and 333 transitions. [2022-04-18 15:48:46,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 318 flow [2022-04-18 15:48:46,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 118 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:46,214 INFO L242 Difference]: Finished difference. Result has 124 places, 118 transitions, 268 flow [2022-04-18 15:48:46,215 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=124, PETRI_TRANSITIONS=118} [2022-04-18 15:48:46,215 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -12 predicate places. [2022-04-18 15:48:46,215 INFO L478 AbstractCegarLoop]: Abstraction has has 124 places, 118 transitions, 268 flow [2022-04-18 15:48:46,216 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2022-04-18 15:48:46,216 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:46,216 INFO L255 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, 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] [2022-04-18 15:48:46,216 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 15:48:46,216 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-04-18 15:48:46,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:46,217 INFO L85 PathProgramCache]: Analyzing trace with hash 867457741, now seen corresponding path program 1 times [2022-04-18 15:48:46,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:46,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5204661] [2022-04-18 15:48:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:46,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:46,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:46,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5204661] [2022-04-18 15:48:46,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5204661] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:46,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:46,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:48:46,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774455440] [2022-04-18 15:48:46,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:46,392 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:48:46,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:46,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:48:46,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:48:46,394 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2022-04-18 15:48:46,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 118 transitions, 268 flow. Second operand has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 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) [2022-04-18 15:48:46,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:46,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2022-04-18 15:48:46,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:46,437 INFO L129 PetriNetUnfolder]: 1/182 cut-off events. [2022-04-18 15:48:46,437 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 15:48:46,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 182 events. 1/182 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 167 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 176. Up to 9 conditions per place. [2022-04-18 15:48:46,438 INFO L132 encePairwiseOnDemand]: 140/145 looper letters, 0 selfloop transitions, 0 changer transitions 117/117 dead transitions. [2022-04-18 15:48:46,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 117 transitions, 286 flow [2022-04-18 15:48:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 15:48:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 15:48:46,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 749 transitions. [2022-04-18 15:48:46,442 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.860919540229885 [2022-04-18 15:48:46,442 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 749 transitions. [2022-04-18 15:48:46,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 749 transitions. [2022-04-18 15:48:46,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:46,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 749 transitions. [2022-04-18 15:48:46,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 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) [2022-04-18 15:48:46,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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) [2022-04-18 15:48:46,449 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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) [2022-04-18 15:48:46,449 INFO L186 Difference]: Start difference. First operand has 124 places, 118 transitions, 268 flow. Second operand 6 states and 749 transitions. [2022-04-18 15:48:46,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 117 transitions, 286 flow [2022-04-18 15:48:46,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 117 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:46,451 INFO L242 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2022-04-18 15:48:46,452 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2022-04-18 15:48:46,452 INFO L335 CegarLoopForPetriNet]: 136 programPoint places, -10 predicate places. [2022-04-18 15:48:46,453 INFO L478 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2022-04-18 15:48:46,453 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 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) [2022-04-18 15:48:46,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-04-18 15:48:46,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-04-18 15:48:46,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-04-18 15:48:46,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-04-18 15:48:46,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-04-18 15:48:46,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-04-18 15:48:46,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-04-18 15:48:46,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2022-04-18 15:48:46,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2022-04-18 15:48:46,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2022-04-18 15:48:46,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2022-04-18 15:48:46,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-04-18 15:48:46,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-04-18 15:48:46,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-04-18 15:48:46,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-04-18 15:48:46,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-04-18 15:48:46,460 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 15:48:46,465 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:46,470 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 15:48:46,470 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 15:48:46,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:48:46 BasicIcfg [2022-04-18 15:48:46,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 15:48:46,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 15:48:46,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 15:48:46,478 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 15:48:46,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:44" (3/4) ... [2022-04-18 15:48:46,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 15:48:46,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 15:48:46,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-04-18 15:48:46,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-04-18 15:48:46,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 15:48:46,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 15:48:46,528 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 15:48:46,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 15:48:46,529 INFO L158 Benchmark]: Toolchain (without parser) took 2956.05ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 54.2MB in the beginning and 78.1MB in the end (delta: -23.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,529 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 15:48:46,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.37ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 57.7MB in the end (delta: -3.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.52ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,530 INFO L158 Benchmark]: Boogie Preprocessor took 50.20ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,530 INFO L158 Benchmark]: RCFGBuilder took 428.22ms. Allocated memory is still 88.1MB. Free memory was 53.9MB in the beginning and 61.6MB in the end (delta: -7.7MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,530 INFO L158 Benchmark]: TraceAbstraction took 1884.04ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 60.9MB in the beginning and 82.1MB in the end (delta: -21.2MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,531 INFO L158 Benchmark]: Witness Printer took 50.22ms. Allocated memory is still 136.3MB. Free memory was 81.2MB in the beginning and 78.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 15:48:46,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.37ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 57.7MB in the end (delta: -3.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.52ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.20ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.22ms. Allocated memory is still 88.1MB. Free memory was 53.9MB in the beginning and 61.6MB in the end (delta: -7.7MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1884.04ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 60.9MB in the beginning and 82.1MB in the end (delta: -21.2MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 50.22ms. Allocated memory is still 136.3MB. Free memory was 81.2MB in the beginning and 78.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 186 locations, 16 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: 1.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 138 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=2, 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, 0.4s InterpolantComputationTime, 423 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 15:48:46,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE