./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.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 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:26:20,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:26:20,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:26:20,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:26:20,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:26:20,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:26:20,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:26:20,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:26:20,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:26:20,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:26:20,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:26:20,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:26:20,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:26:20,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:26:20,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:26:20,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:26:20,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:26:20,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:26:20,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:26:20,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:26:20,198 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:26:20,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:26:20,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:26:20,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:26:20,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:26:20,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:26:20,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:26:20,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:26:20,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:26:20,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:26:20,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:26:20,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:26:20,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:26:20,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:26:20,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:26:20,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:26:20,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:26:20,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:26:20,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:26:20,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:26:20,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:26:20,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:26:20,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:26:20,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:26:20,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:26:20,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:26:20,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:26:20,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:26:20,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:26:20,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:26:20,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:26:20,238 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:26:20,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:26:20,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:26:20,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:26:20,240 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:26:20,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:26:20,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:26:20,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:26:20,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:26:20,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:26:20,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:26:20,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:26:20,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:26:20,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:26:20,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:26:20,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:26:20,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:26:20,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:26:20,242 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:26:20,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:26:20,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:26:20,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2022-04-18 16:26:20,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:26:20,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:26:20,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:26:20,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:26:20,439 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:26:20,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 16:26:20,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb870d98a/96c5c14feb864e5a873e9fdade6af330/FLAGd4f6bbd10 [2022-04-18 16:26:20,831 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:26:20,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 16:26:20,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb870d98a/96c5c14feb864e5a873e9fdade6af330/FLAGd4f6bbd10 [2022-04-18 16:26:21,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb870d98a/96c5c14feb864e5a873e9fdade6af330 [2022-04-18 16:26:21,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:26:21,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:26:21,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:26:21,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:26:21,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:26:21,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218c81f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21, skipping insertion in model container [2022-04-18 16:26:21,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:26:21,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:26:21,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-04-18 16:26:21,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:26:21,577 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:26:21,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-04-18 16:26:21,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:26:21,646 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:26:21,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21 WrapperNode [2022-04-18 16:26:21,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:26:21,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:26:21,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:26:21,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:26:21,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,696 INFO L137 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2022-04-18 16:26:21,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:26:21,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:26:21,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:26:21,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:26:21,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:26:21,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:26:21,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:26:21,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:26:21,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (1/1) ... [2022-04-18 16:26:21,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:26:21,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:26:21,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:26:21,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:26:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:26:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:26:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:26:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:26:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:26:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:26:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:26:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:26:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:26:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:26:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:26:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 16:26:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 16:26:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:26:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:26:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:26:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:26:21,785 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:26:21,909 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:26:21,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:26:22,119 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:26:22,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:26:22,255 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:26:22,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:26:22 BoogieIcfgContainer [2022-04-18 16:26:22,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:26:22,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:26:22,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:26:22,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:26:22,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:26:21" (1/3) ... [2022-04-18 16:26:22,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b3a856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:26:22, skipping insertion in model container [2022-04-18 16:26:22,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:26:21" (2/3) ... [2022-04-18 16:26:22,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b3a856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:26:22, skipping insertion in model container [2022-04-18 16:26:22,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:26:22" (3/3) ... [2022-04-18 16:26:22,263 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-04-18 16:26:22,267 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:26:22,267 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:26:22,267 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-04-18 16:26:22,268 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:26:22,309 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:26:22,369 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:26:22,373 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:26:22,373 INFO L341 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2022-04-18 16:26:22,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 135 transitions, 290 flow [2022-04-18 16:26:22,435 INFO L129 PetriNetUnfolder]: 2/131 cut-off events. [2022-04-18 16:26:22,436 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:26:22,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 131 events. 2/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 136 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2022-04-18 16:26:22,439 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 135 transitions, 290 flow [2022-04-18 16:26:22,447 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 131 transitions, 274 flow [2022-04-18 16:26:22,459 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2022-04-18 16:26:22,460 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:26:22,460 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:26:22,461 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:26:22,461 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-04-18 16:26:22,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:26:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash -828270775, now seen corresponding path program 1 times [2022-04-18 16:26:22,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:26:22,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799917570] [2022-04-18 16:26:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:26:22,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:26:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:26:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:26:22,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:26:22,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799917570] [2022-04-18 16:26:22,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799917570] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:26:22,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:26:22,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:26:22,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924146124] [2022-04-18 16:26:22,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:26:22,647 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:26:22,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:26:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:26:22,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:26:22,672 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 135 [2022-04-18 16:26:22,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 93.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:22,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:26:22,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 135 [2022-04-18 16:26:22,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:26:23,004 INFO L129 PetriNetUnfolder]: 1205/2263 cut-off events. [2022-04-18 16:26:23,004 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-04-18 16:26:23,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4100 conditions, 2263 events. 1205/2263 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 14966 event pairs, 1205 based on Foata normal form. 164/2299 useless extension candidates. Maximal degree in co-relation 4066. Up to 1702 conditions per place. [2022-04-18 16:26:23,028 INFO L132 encePairwiseOnDemand]: 109/135 looper letters, 16 selfloop transitions, 0 changer transitions 0/104 dead transitions. [2022-04-18 16:26:23,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 104 transitions, 252 flow [2022-04-18 16:26:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:26:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:26:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 226 transitions. [2022-04-18 16:26:23,038 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2022-04-18 16:26:23,038 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 226 transitions. [2022-04-18 16:26:23,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 226 transitions. [2022-04-18 16:26:23,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:26:23,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 226 transitions. [2022-04-18 16:26:23,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 113.0) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,049 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,050 INFO L186 Difference]: Start difference. First operand has 142 places, 131 transitions, 274 flow. Second operand 2 states and 226 transitions. [2022-04-18 16:26:23,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 104 transitions, 252 flow [2022-04-18 16:26:23,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 104 transitions, 248 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:26:23,056 INFO L242 Difference]: Finished difference. Result has 114 places, 104 transitions, 216 flow [2022-04-18 16:26:23,058 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=216, PETRI_PLACES=114, PETRI_TRANSITIONS=104} [2022-04-18 16:26:23,061 INFO L335 CegarLoopForPetriNet]: 142 programPoint places, -28 predicate places. [2022-04-18 16:26:23,061 INFO L478 AbstractCegarLoop]: Abstraction has has 114 places, 104 transitions, 216 flow [2022-04-18 16:26:23,062 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 93.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,062 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:26:23,062 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:26:23,063 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:26:23,063 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-04-18 16:26:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:26:23,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1581817592, now seen corresponding path program 1 times [2022-04-18 16:26:23,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:26:23,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391430697] [2022-04-18 16:26:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:26:23,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:26:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:26:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:26:23,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:26:23,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391430697] [2022-04-18 16:26:23,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391430697] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:26:23,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:26:23,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:26:23,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59547734] [2022-04-18 16:26:23,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:26:23,171 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:26:23,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:26:23,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:26:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:26:23,172 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 135 [2022-04-18 16:26:23,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 104 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:26:23,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 135 [2022-04-18 16:26:23,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:26:23,776 INFO L129 PetriNetUnfolder]: 2021/7381 cut-off events. [2022-04-18 16:26:23,777 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:26:23,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10319 conditions, 7381 events. 2021/7381 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 76339 event pairs, 797 based on Foata normal form. 0/6907 useless extension candidates. Maximal degree in co-relation 10316. Up to 1656 conditions per place. [2022-04-18 16:26:23,819 INFO L132 encePairwiseOnDemand]: 133/135 looper letters, 27 selfloop transitions, 1 changer transitions 0/113 dead transitions. [2022-04-18 16:26:23,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 113 transitions, 290 flow [2022-04-18 16:26:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:26:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:26:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2022-04-18 16:26:23,824 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7308641975308642 [2022-04-18 16:26:23,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 296 transitions. [2022-04-18 16:26:23,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 296 transitions. [2022-04-18 16:26:23,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:26:23,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 296 transitions. [2022-04-18 16:26:23,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,829 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,829 INFO L186 Difference]: Start difference. First operand has 114 places, 104 transitions, 216 flow. Second operand 3 states and 296 transitions. [2022-04-18 16:26:23,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 113 transitions, 290 flow [2022-04-18 16:26:23,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 113 transitions, 290 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:26:23,832 INFO L242 Difference]: Finished difference. Result has 115 places, 103 transitions, 216 flow [2022-04-18 16:26:23,833 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=115, PETRI_TRANSITIONS=103} [2022-04-18 16:26:23,834 INFO L335 CegarLoopForPetriNet]: 142 programPoint places, -27 predicate places. [2022-04-18 16:26:23,834 INFO L478 AbstractCegarLoop]: Abstraction has has 115 places, 103 transitions, 216 flow [2022-04-18 16:26:23,834 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,834 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:26:23,835 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:26:23,835 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:26:23,835 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-04-18 16:26:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:26:23,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1415636251, now seen corresponding path program 1 times [2022-04-18 16:26:23,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:26:23,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762971412] [2022-04-18 16:26:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:26:23,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:26:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:26:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:26:23,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:26:23,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762971412] [2022-04-18 16:26:23,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762971412] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:26:23,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:26:23,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:26:23,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089015846] [2022-04-18 16:26:23,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:26:23,919 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:26:23,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:26:23,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:26:23,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:26:23,922 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 135 [2022-04-18 16:26:23,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 103 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:23,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:26:23,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 135 [2022-04-18 16:26:23,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:26:24,379 INFO L129 PetriNetUnfolder]: 2021/6080 cut-off events. [2022-04-18 16:26:24,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:26:24,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9020 conditions, 6080 events. 2021/6080 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 57461 event pairs, 1205 based on Foata normal form. 0/5811 useless extension candidates. Maximal degree in co-relation 9016. Up to 1702 conditions per place. [2022-04-18 16:26:24,394 INFO L132 encePairwiseOnDemand]: 133/135 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2022-04-18 16:26:24,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 112 transitions, 290 flow [2022-04-18 16:26:24,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:26:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:26:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2022-04-18 16:26:24,397 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7308641975308642 [2022-04-18 16:26:24,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 296 transitions. [2022-04-18 16:26:24,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 296 transitions. [2022-04-18 16:26:24,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:26:24,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 296 transitions. [2022-04-18 16:26:24,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:24,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:24,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:24,400 INFO L186 Difference]: Start difference. First operand has 115 places, 103 transitions, 216 flow. Second operand 3 states and 296 transitions. [2022-04-18 16:26:24,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 112 transitions, 290 flow [2022-04-18 16:26:24,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 289 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:26:24,402 INFO L242 Difference]: Finished difference. Result has 115 places, 0 transitions, 0 flow [2022-04-18 16:26:24,402 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=115, PETRI_TRANSITIONS=0} [2022-04-18 16:26:24,404 INFO L335 CegarLoopForPetriNet]: 142 programPoint places, -27 predicate places. [2022-04-18 16:26:24,404 INFO L478 AbstractCegarLoop]: Abstraction has has 115 places, 0 transitions, 0 flow [2022-04-18 16:26:24,404 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:26:24,406 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (46 of 47 remaining) [2022-04-18 16:26:24,406 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining) [2022-04-18 16:26:24,406 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining) [2022-04-18 16:26:24,407 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining) [2022-04-18 16:26:24,407 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining) [2022-04-18 16:26:24,407 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err5ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining) [2022-04-18 16:26:24,407 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (40 of 47 remaining) [2022-04-18 16:26:24,407 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining) [2022-04-18 16:26:24,408 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining) [2022-04-18 16:26:24,410 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining) [2022-04-18 16:26:24,410 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining) [2022-04-18 16:26:24,411 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining) [2022-04-18 16:26:24,411 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining) [2022-04-18 16:26:24,411 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining) [2022-04-18 16:26:24,411 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining) [2022-04-18 16:26:24,412 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining) [2022-04-18 16:26:24,412 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining) [2022-04-18 16:26:24,412 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining) [2022-04-18 16:26:24,412 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining) [2022-04-18 16:26:24,412 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining) [2022-04-18 16:26:24,412 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining) [2022-04-18 16:26:24,413 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining) [2022-04-18 16:26:24,413 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining) [2022-04-18 16:26:24,413 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining) [2022-04-18 16:26:24,413 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining) [2022-04-18 16:26:24,413 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 47 remaining) [2022-04-18 16:26:24,413 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 47 remaining) [2022-04-18 16:26:24,414 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 47 remaining) [2022-04-18 16:26:24,414 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 47 remaining) [2022-04-18 16:26:24,414 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 47 remaining) [2022-04-18 16:26:24,414 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (16 of 47 remaining) [2022-04-18 16:26:24,414 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining) [2022-04-18 16:26:24,414 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining) [2022-04-18 16:26:24,415 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining) [2022-04-18 16:26:24,415 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining) [2022-04-18 16:26:24,415 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err5ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining) [2022-04-18 16:26:24,416 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining) [2022-04-18 16:26:24,418 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining) [2022-04-18 16:26:24,418 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining) [2022-04-18 16:26:24,418 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining) [2022-04-18 16:26:24,418 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining) [2022-04-18 16:26:24,422 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining) [2022-04-18 16:26:24,422 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining) [2022-04-18 16:26:24,422 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining) [2022-04-18 16:26:24,422 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining) [2022-04-18 16:26:24,423 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining) [2022-04-18 16:26:24,425 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining) [2022-04-18 16:26:24,425 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:26:24,428 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-18 16:26:24,431 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:26:24,431 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:26:24,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:26:24 BasicIcfg [2022-04-18 16:26:24,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:26:24,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:26:24,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:26:24,434 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:26:24,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:26:22" (3/4) ... [2022-04-18 16:26:24,436 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:26:24,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 16:26:24,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 16:26:24,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 16:26:24,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-04-18 16:26:24,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2022-04-18 16:26:24,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2022-04-18 16:26:24,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-04-18 16:26:24,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:26:24,471 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:26:24,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:26:24,472 INFO L158 Benchmark]: Toolchain (without parser) took 3247.76ms. Allocated memory was 86.0MB in the beginning and 253.8MB in the end (delta: 167.8MB). Free memory was 48.3MB in the beginning and 111.5MB in the end (delta: -63.2MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,472 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:26:24,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.26ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 52.6MB in the end (delta: -4.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 50.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,473 INFO L158 Benchmark]: Boogie Preprocessor took 22.96ms. Allocated memory is still 86.0MB. Free memory was 50.3MB in the beginning and 48.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,473 INFO L158 Benchmark]: RCFGBuilder took 531.70ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 86.5MB in the end (delta: -37.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,474 INFO L158 Benchmark]: TraceAbstraction took 2176.28ms. Allocated memory was 121.6MB in the beginning and 253.8MB in the end (delta: 132.1MB). Free memory was 86.5MB in the beginning and 115.7MB in the end (delta: -29.1MB). Peak memory consumption was 176.4MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,474 INFO L158 Benchmark]: Witness Printer took 37.73ms. Allocated memory is still 253.8MB. Free memory was 115.7MB in the beginning and 111.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:26:24,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.26ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 52.6MB in the end (delta: -4.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 50.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.96ms. Allocated memory is still 86.0MB. Free memory was 50.3MB in the beginning and 48.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.70ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 86.5MB in the end (delta: -37.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2176.28ms. Allocated memory was 121.6MB in the beginning and 253.8MB in the end (delta: 132.1MB). Free memory was 86.5MB in the beginning and 115.7MB in the end (delta: -29.1MB). Peak memory consumption was 176.4MB. Max. memory is 16.1GB. * Witness Printer took 37.73ms. Allocated memory is still 253.8MB. Free memory was 115.7MB in the beginning and 111.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 805]: 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 9 procedures, 181 locations, 47 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: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:26:24,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE