./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d 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 ../../../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 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:09:00,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:09:00,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:09:00,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:09:00,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:09:00,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:09:00,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:09:00,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:09:00,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:09:00,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:09:00,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:09:00,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:09:00,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:09:00,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:09:00,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:09:00,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:09:00,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:09:00,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:09:00,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:09:00,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:09:00,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:09:00,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:09:00,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:09:00,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:09:00,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:09:00,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:09:00,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:09:00,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:09:00,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:09:00,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:09:00,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:09:00,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:09:00,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:09:00,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:09:00,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:09:00,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:09:00,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:09:00,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:09:00,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:09:00,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:09:00,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:09:00,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:09:00,268 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:09:00,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:09:00,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:09:00,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:09:00,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:09:00,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:09:00,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:09:00,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:09:00,272 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:09:00,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:09:00,273 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:09:00,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:09:00,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:09:00,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:09:00,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:09:00,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:09:00,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:09:00,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:09:00,275 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:09:00,275 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:09:00,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:09:00,275 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:09:00,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:09:00,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:09:00,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:09:00,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:09:00,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:09:00,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:09:00,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:09:00,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:09:00,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:09:00,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:09:00,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:09:00,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:09:00,278 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:09:00,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:09:00,278 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:09:00,279 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:09:00,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:09:00,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:09:00,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:09:00,599 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:09:00,600 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:09:00,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2023-08-29 18:09:01,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:09:02,129 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:09:02,129 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_01-priv_nr_true.i [2023-08-29 18:09:02,146 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/556fe3b85/6ae5f39df9cd418888a8d665e47abd6e/FLAGb21d0d6f2 [2023-08-29 18:09:02,164 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/556fe3b85/6ae5f39df9cd418888a8d665e47abd6e [2023-08-29 18:09:02,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:09:02,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:09:02,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:09:02,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:09:02,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:09:02,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c107f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02, skipping insertion in model container [2023-08-29 18:09:02,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:09:02,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:09:02,359 WARN L247 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] [2023-08-29 18:09:02,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:09:02,547 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:09:02,562 WARN L247 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] [2023-08-29 18:09:02,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:09:02,635 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:09:02,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02 WrapperNode [2023-08-29 18:09:02,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:09:02,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:09:02,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:09:02,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:09:02,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,704 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 117 [2023-08-29 18:09:02,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:09:02,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:09:02,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:09:02,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:09:02,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:09:02,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:09:02,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:09:02,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:09:02,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (1/1) ... [2023-08-29 18:09:02,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:09:02,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:09:02,795 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) [2023-08-29 18:09:02,811 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 [2023-08-29 18:09:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:09:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:09:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 18:09:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:09:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:09:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 18:09:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 18:09:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:09:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:09:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:09:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:09:02,837 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:09:02,942 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:09:02,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:09:03,218 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:09:03,225 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:09:03,225 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:09:03,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:09:03 BoogieIcfgContainer [2023-08-29 18:09:03,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:09:03,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:09:03,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:09:03,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:09:03,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:09:02" (1/3) ... [2023-08-29 18:09:03,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d06fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:09:03, skipping insertion in model container [2023-08-29 18:09:03,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:09:02" (2/3) ... [2023-08-29 18:09:03,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d06fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:09:03, skipping insertion in model container [2023-08-29 18:09:03,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:09:03" (3/3) ... [2023-08-29 18:09:03,233 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2023-08-29 18:09:03,240 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:09:03,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:09:03,247 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-29 18:09:03,248 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:09:03,339 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 18:09:03,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 133 transitions, 274 flow [2023-08-29 18:09:03,455 INFO L130 PetriNetUnfolder]: 4/132 cut-off events. [2023-08-29 18:09:03,455 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 18:09:03,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 132 events. 4/132 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 123 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-08-29 18:09:03,461 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 133 transitions, 274 flow [2023-08-29 18:09:03,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 253 flow [2023-08-29 18:09:03,472 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:09:03,493 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 125 transitions, 253 flow [2023-08-29 18:09:03,497 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 125 transitions, 253 flow [2023-08-29 18:09:03,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 253 flow [2023-08-29 18:09:03,529 INFO L130 PetriNetUnfolder]: 4/125 cut-off events. [2023-08-29 18:09:03,531 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:09:03,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 125 events. 4/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 123 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-08-29 18:09:03,535 INFO L119 LiptonReduction]: Number of co-enabled transitions 3520 [2023-08-29 18:09:06,406 INFO L134 LiptonReduction]: Checked pairs total: 16364 [2023-08-29 18:09:06,406 INFO L136 LiptonReduction]: Total number of compositions: 99 [2023-08-29 18:09:06,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:09:06,422 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61ecaf2b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:09:06,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-08-29 18:09:06,424 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:09:06,424 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:09:06,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:06,425 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:09:06,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:06,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:06,429 INFO L85 PathProgramCache]: Analyzing trace with hash 457, now seen corresponding path program 1 times [2023-08-29 18:09:06,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:06,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172992174] [2023-08-29 18:09:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:06,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:06,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172992174] [2023-08-29 18:09:06,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172992174] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:06,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:06,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:09:06,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812314918] [2023-08-29 18:09:06,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:06,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:09:06,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:06,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:09:06,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:09:06,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 232 [2023-08-29 18:09:06,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 103 flow. Second operand has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:06,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:06,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 232 [2023-08-29 18:09:06,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:06,707 INFO L130 PetriNetUnfolder]: 81/299 cut-off events. [2023-08-29 18:09:06,708 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:09:06,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 299 events. 81/299 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1453 event pairs, 81 based on Foata normal form. 20/270 useless extension candidates. Maximal degree in co-relation 477. Up to 183 conditions per place. [2023-08-29 18:09:06,714 INFO L137 encePairwiseOnDemand]: 227/232 looper letters, 20 selfloop transitions, 0 changer transitions 0/43 dead transitions. [2023-08-29 18:09:06,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 43 transitions, 129 flow [2023-08-29 18:09:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:09:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:09:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2023-08-29 18:09:06,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.584051724137931 [2023-08-29 18:09:06,734 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 271 transitions. [2023-08-29 18:09:06,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 271 transitions. [2023-08-29 18:09:06,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:06,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 271 transitions. [2023-08-29 18:09:06,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:06,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:06,749 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:06,750 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 103 flow. Second operand 2 states and 271 transitions. [2023-08-29 18:09:06,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 43 transitions, 129 flow [2023-08-29 18:09:06,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 43 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:09:06,755 INFO L231 Difference]: Finished difference. Result has 47 places, 43 transitions, 88 flow [2023-08-29 18:09:06,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=88, PETRI_PLACES=47, PETRI_TRANSITIONS=43} [2023-08-29 18:09:06,760 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -4 predicate places. [2023-08-29 18:09:06,760 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 43 transitions, 88 flow [2023-08-29 18:09:06,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:06,761 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:06,761 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 18:09:06,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:09:06,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:06,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:06,771 INFO L85 PathProgramCache]: Analyzing trace with hash 433101229, now seen corresponding path program 1 times [2023-08-29 18:09:06,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:06,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139493836] [2023-08-29 18:09:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:06,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:06,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139493836] [2023-08-29 18:09:06,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139493836] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:06,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:06,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:09:06,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946508260] [2023-08-29 18:09:06,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:06,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:09:06,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:06,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:09:06,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:09:06,961 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 232 [2023-08-29 18:09:06,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 43 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:06,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:06,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 232 [2023-08-29 18:09:06,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:07,086 INFO L130 PetriNetUnfolder]: 255/691 cut-off events. [2023-08-29 18:09:07,087 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:09:07,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 691 events. 255/691 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3708 event pairs, 111 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 1275. Up to 358 conditions per place. [2023-08-29 18:09:07,092 INFO L137 encePairwiseOnDemand]: 212/232 looper letters, 46 selfloop transitions, 15 changer transitions 0/70 dead transitions. [2023-08-29 18:09:07,092 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 70 transitions, 264 flow [2023-08-29 18:09:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:09:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:09:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2023-08-29 18:09:07,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5301724137931034 [2023-08-29 18:09:07,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 369 transitions. [2023-08-29 18:09:07,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 369 transitions. [2023-08-29 18:09:07,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:07,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 369 transitions. [2023-08-29 18:09:07,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,101 INFO L175 Difference]: Start difference. First operand has 47 places, 43 transitions, 88 flow. Second operand 3 states and 369 transitions. [2023-08-29 18:09:07,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 70 transitions, 264 flow [2023-08-29 18:09:07,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 264 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:09:07,103 INFO L231 Difference]: Finished difference. Result has 51 places, 57 transitions, 214 flow [2023-08-29 18:09:07,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=51, PETRI_TRANSITIONS=57} [2023-08-29 18:09:07,104 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 0 predicate places. [2023-08-29 18:09:07,104 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 57 transitions, 214 flow [2023-08-29 18:09:07,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:07,105 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:09:07,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:09:07,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:07,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:07,107 INFO L85 PathProgramCache]: Analyzing trace with hash 673932294, now seen corresponding path program 1 times [2023-08-29 18:09:07,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:07,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249639358] [2023-08-29 18:09:07,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:07,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:07,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:07,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249639358] [2023-08-29 18:09:07,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249639358] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:07,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:07,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:09:07,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984810015] [2023-08-29 18:09:07,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:07,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:09:07,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:07,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:09:07,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:09:07,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 232 [2023-08-29 18:09:07,233 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 57 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,233 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:07,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 232 [2023-08-29 18:09:07,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:07,340 INFO L130 PetriNetUnfolder]: 226/651 cut-off events. [2023-08-29 18:09:07,341 INFO L131 PetriNetUnfolder]: For 275/289 co-relation queries the response was YES. [2023-08-29 18:09:07,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1536 conditions, 651 events. 226/651 cut-off events. For 275/289 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3582 event pairs, 136 based on Foata normal form. 8/607 useless extension candidates. Maximal degree in co-relation 1531. Up to 440 conditions per place. [2023-08-29 18:09:07,345 INFO L137 encePairwiseOnDemand]: 224/232 looper letters, 38 selfloop transitions, 11 changer transitions 0/72 dead transitions. [2023-08-29 18:09:07,345 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 72 transitions, 368 flow [2023-08-29 18:09:07,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:09:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:09:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2023-08-29 18:09:07,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5244252873563219 [2023-08-29 18:09:07,347 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2023-08-29 18:09:07,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2023-08-29 18:09:07,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:07,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2023-08-29 18:09:07,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,351 INFO L175 Difference]: Start difference. First operand has 51 places, 57 transitions, 214 flow. Second operand 3 states and 365 transitions. [2023-08-29 18:09:07,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 72 transitions, 368 flow [2023-08-29 18:09:07,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 72 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:09:07,355 INFO L231 Difference]: Finished difference. Result has 52 places, 66 transitions, 271 flow [2023-08-29 18:09:07,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=52, PETRI_TRANSITIONS=66} [2023-08-29 18:09:07,356 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 1 predicate places. [2023-08-29 18:09:07,357 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 66 transitions, 271 flow [2023-08-29 18:09:07,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:07,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:09:07,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:09:07,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:07,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1686965027, now seen corresponding path program 1 times [2023-08-29 18:09:07,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:07,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687703311] [2023-08-29 18:09:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:07,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:07,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:07,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687703311] [2023-08-29 18:09:07,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687703311] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:07,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:07,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:09:07,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505920135] [2023-08-29 18:09:07,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:07,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:09:07,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:07,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:09:07,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:09:07,432 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 232 [2023-08-29 18:09:07,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 66 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:07,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 232 [2023-08-29 18:09:07,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:07,532 INFO L130 PetriNetUnfolder]: 252/694 cut-off events. [2023-08-29 18:09:07,532 INFO L131 PetriNetUnfolder]: For 346/373 co-relation queries the response was YES. [2023-08-29 18:09:07,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 694 events. 252/694 cut-off events. For 346/373 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3842 event pairs, 130 based on Foata normal form. 3/626 useless extension candidates. Maximal degree in co-relation 1689. Up to 439 conditions per place. [2023-08-29 18:09:07,536 INFO L137 encePairwiseOnDemand]: 224/232 looper letters, 47 selfloop transitions, 14 changer transitions 0/84 dead transitions. [2023-08-29 18:09:07,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 84 transitions, 463 flow [2023-08-29 18:09:07,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:09:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:09:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2023-08-29 18:09:07,538 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.521551724137931 [2023-08-29 18:09:07,538 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2023-08-29 18:09:07,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2023-08-29 18:09:07,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:07,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2023-08-29 18:09:07,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,545 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,545 INFO L175 Difference]: Start difference. First operand has 52 places, 66 transitions, 271 flow. Second operand 3 states and 363 transitions. [2023-08-29 18:09:07,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 84 transitions, 463 flow [2023-08-29 18:09:07,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 84 transitions, 448 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:09:07,551 INFO L231 Difference]: Finished difference. Result has 55 places, 76 transitions, 384 flow [2023-08-29 18:09:07,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=55, PETRI_TRANSITIONS=76} [2023-08-29 18:09:07,552 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 4 predicate places. [2023-08-29 18:09:07,552 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 76 transitions, 384 flow [2023-08-29 18:09:07,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,553 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:07,553 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:09:07,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:09:07,553 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:07,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:07,554 INFO L85 PathProgramCache]: Analyzing trace with hash -439557190, now seen corresponding path program 1 times [2023-08-29 18:09:07,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:07,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013883498] [2023-08-29 18:09:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:07,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:07,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013883498] [2023-08-29 18:09:07,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013883498] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:07,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:07,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:09:07,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634524424] [2023-08-29 18:09:07,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:07,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:09:07,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:07,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:09:07,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:09:07,689 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 232 [2023-08-29 18:09:07,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 76 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,690 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:07,690 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 232 [2023-08-29 18:09:07,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:07,720 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2023-08-29 18:09:07,720 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2023-08-29 18:09:07,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 70 events. 1/70 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 16/82 useless extension candidates. Maximal degree in co-relation 169. Up to 32 conditions per place. [2023-08-29 18:09:07,721 INFO L137 encePairwiseOnDemand]: 228/232 looper letters, 15 selfloop transitions, 4 changer transitions 1/38 dead transitions. [2023-08-29 18:09:07,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 184 flow [2023-08-29 18:09:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:09:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:09:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2023-08-29 18:09:07,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5402298850574713 [2023-08-29 18:09:07,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2023-08-29 18:09:07,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2023-08-29 18:09:07,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:07,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2023-08-29 18:09:07,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,726 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,726 INFO L175 Difference]: Start difference. First operand has 55 places, 76 transitions, 384 flow. Second operand 3 states and 376 transitions. [2023-08-29 18:09:07,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 184 flow [2023-08-29 18:09:07,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 140 flow, removed 16 selfloop flow, removed 6 redundant places. [2023-08-29 18:09:07,728 INFO L231 Difference]: Finished difference. Result has 44 places, 37 transitions, 106 flow [2023-08-29 18:09:07,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=44, PETRI_TRANSITIONS=37} [2023-08-29 18:09:07,728 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -7 predicate places. [2023-08-29 18:09:07,729 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 37 transitions, 106 flow [2023-08-29 18:09:07,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:07,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:09:07,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:09:07,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:07,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:07,730 INFO L85 PathProgramCache]: Analyzing trace with hash -982704443, now seen corresponding path program 1 times [2023-08-29 18:09:07,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:07,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520662175] [2023-08-29 18:09:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:07,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:07,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:07,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520662175] [2023-08-29 18:09:07,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520662175] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:07,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:07,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:09:07,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085536338] [2023-08-29 18:09:07,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:07,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:09:07,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:07,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:09:07,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:09:07,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 232 [2023-08-29 18:09:07,795 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:07,795 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 232 [2023-08-29 18:09:07,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:07,841 INFO L130 PetriNetUnfolder]: 1/66 cut-off events. [2023-08-29 18:09:07,842 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 18:09:07,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 66 events. 1/66 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 139. Up to 43 conditions per place. [2023-08-29 18:09:07,843 INFO L137 encePairwiseOnDemand]: 229/232 looper letters, 21 selfloop transitions, 2 changer transitions 3/36 dead transitions. [2023-08-29 18:09:07,843 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 156 flow [2023-08-29 18:09:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:09:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:09:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2023-08-29 18:09:07,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5057471264367817 [2023-08-29 18:09:07,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2023-08-29 18:09:07,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2023-08-29 18:09:07,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:07,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2023-08-29 18:09:07,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,848 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,849 INFO L175 Difference]: Start difference. First operand has 44 places, 37 transitions, 106 flow. Second operand 3 states and 352 transitions. [2023-08-29 18:09:07,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 156 flow [2023-08-29 18:09:07,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:09:07,850 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 95 flow [2023-08-29 18:09:07,850 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2023-08-29 18:09:07,851 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -8 predicate places. [2023-08-29 18:09:07,851 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 95 flow [2023-08-29 18:09:07,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:09:07,852 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:09:07,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:09:07,853 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 18:09:07,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:09:07,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1067379900, now seen corresponding path program 1 times [2023-08-29 18:09:07,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:09:07,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420839019] [2023-08-29 18:09:07,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:09:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:09:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:09:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:09:07,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:09:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420839019] [2023-08-29 18:09:07,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420839019] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:09:07,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:09:07,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:09:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069145757] [2023-08-29 18:09:07,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:09:07,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:09:07,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:09:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:09:07,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:09:07,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 232 [2023-08-29 18:09:07,922 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,923 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:09:07,923 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 232 [2023-08-29 18:09:07,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:09:07,945 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2023-08-29 18:09:07,946 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 18:09:07,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 46 events. 0/46 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 30 event pairs, 0 based on Foata normal form. 2/48 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2023-08-29 18:09:07,946 INFO L137 encePairwiseOnDemand]: 230/232 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2023-08-29 18:09:07,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 137 flow [2023-08-29 18:09:07,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:09:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:09:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2023-08-29 18:09:07,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49712643678160917 [2023-08-29 18:09:07,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 346 transitions. [2023-08-29 18:09:07,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 346 transitions. [2023-08-29 18:09:07,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:09:07,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 346 transitions. [2023-08-29 18:09:07,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,953 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 95 flow. Second operand 3 states and 346 transitions. [2023-08-29 18:09:07,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 137 flow [2023-08-29 18:09:07,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 131 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:09:07,954 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2023-08-29 18:09:07,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2023-08-29 18:09:07,955 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -11 predicate places. [2023-08-29 18:09:07,955 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2023-08-29 18:09:07,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:09:07,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2023-08-29 18:09:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2023-08-29 18:09:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2023-08-29 18:09:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2023-08-29 18:09:07,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2023-08-29 18:09:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2023-08-29 18:09:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2023-08-29 18:09:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2023-08-29 18:09:07,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2023-08-29 18:09:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2023-08-29 18:09:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2023-08-29 18:09:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2023-08-29 18:09:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2023-08-29 18:09:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2023-08-29 18:09:07,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2023-08-29 18:09:07,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2023-08-29 18:09:07,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:09:07,964 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:09:07,969 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:09:07,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:09:07,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:09:07 BasicIcfg [2023-08-29 18:09:07,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:09:07,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:09:07,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:09:07,979 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:09:07,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:09:03" (3/4) ... [2023-08-29 18:09:07,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:09:07,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 18:09:07,992 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-29 18:09:07,993 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 18:09:07,993 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:09:07,993 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:09:08,034 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:09:08,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:09:08,035 INFO L158 Benchmark]: Toolchain (without parser) took 5867.70ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 54.4MB in the beginning and 66.2MB in the end (delta: -11.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-08-29 18:09:08,035 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:09:08,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.82ms. Allocated memory is still 79.7MB. Free memory was 54.2MB in the beginning and 53.6MB in the end (delta: 634.1kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-08-29 18:09:08,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.25ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 51.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:09:08,036 INFO L158 Benchmark]: Boogie Preprocessor took 55.77ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 49.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:09:08,037 INFO L158 Benchmark]: RCFGBuilder took 465.00ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 33.9MB in the end (delta: 15.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 18:09:08,037 INFO L158 Benchmark]: TraceAbstraction took 4749.91ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 33.5MB in the beginning and 69.3MB in the end (delta: -35.8MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2023-08-29 18:09:08,037 INFO L158 Benchmark]: Witness Printer took 55.79ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:09:08,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.82ms. Allocated memory is still 79.7MB. Free memory was 54.2MB in the beginning and 53.6MB in the end (delta: 634.1kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.25ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 51.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.77ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 49.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.00ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 33.9MB in the end (delta: 15.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4749.91ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 33.5MB in the beginning and 69.3MB in the end (delta: -35.8MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 55.79ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 125 PlacesBefore, 51 PlacesAfterwards, 125 TransitionsBefore, 50 TransitionsAfterwards, 3520 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 99 TotalNumberOfCompositions, 16364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4154, independent: 3589, independent conditional: 0, independent unconditional: 3589, dependent: 565, dependent conditional: 0, dependent unconditional: 565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1802, independent: 1725, independent conditional: 0, independent unconditional: 1725, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4154, independent: 1864, independent conditional: 0, independent unconditional: 1864, dependent: 488, dependent conditional: 0, dependent unconditional: 488, unknown: 1802, unknown conditional: 0, unknown unconditional: 1802] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 184, Positive conditional cache size: 0, Positive unconditional cache size: 184, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 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, 170 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: 4.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 406 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 519 IncrementalHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 78 mSDtfsCounter, 519 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 0.3s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 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! [2023-08-29 18:09:08,071 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