./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.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/safe013_tso.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 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:24:12,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:24:12,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:24:12,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:24:12,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:24:12,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:24:12,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:24:12,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:24:12,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:24:12,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:24:12,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:24:12,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:24:12,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:24:12,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:24:12,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:24:12,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:24:12,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:24:12,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:24:12,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:24:12,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:24:12,475 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:24:12,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:24:12,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:24:12,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:24:12,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:24:12,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:24:12,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:24:12,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:24:12,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:24:12,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:24:12,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:24:12,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:24:12,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:24:12,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:24:12,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:24:12,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:24:12,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:24:12,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:24:12,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:24:12,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:24:12,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:24:12,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:24:12,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:24:12,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:24:12,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:24:12,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:24:12,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:24:12,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:24:12,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:24:12,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:24:12,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:24:12,505 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:24:12,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:24:12,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:24:12,506 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:24:12,507 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:24:12,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:24:12,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:24:12,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:24:12,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:24:12,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:24:12,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:24:12,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:24:12,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:24:12,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:24:12,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 [2022-04-18 16:24:12,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:24:12,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:24:12,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:24:12,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:24:12,748 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:24:12,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2022-04-18 16:24:12,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/947453279/ef81a09230f047fa8cfe85daaf93c7d6/FLAGe68061d27 [2022-04-18 16:24:13,179 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:24:13,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2022-04-18 16:24:13,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/947453279/ef81a09230f047fa8cfe85daaf93c7d6/FLAGe68061d27 [2022-04-18 16:24:13,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/947453279/ef81a09230f047fa8cfe85daaf93c7d6 [2022-04-18 16:24:13,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:24:13,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:24:13,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:24:13,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:24:13,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:24:13,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:24:13" (1/1) ... [2022-04-18 16:24:13,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9eae77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:13, skipping insertion in model container [2022-04-18 16:24:13,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:24:13" (1/1) ... [2022-04-18 16:24:13,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:24:13,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:24:13,786 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/safe013_tso.i[945,958] [2022-04-18 16:24:13,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:24:13,930 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:24:13,939 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/safe013_tso.i[945,958] [2022-04-18 16:24:13,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:24:14,008 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:24:14,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14 WrapperNode [2022-04-18 16:24:14,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:24:14,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:24:14,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:24:14,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:24:14,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,057 INFO L137 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2022-04-18 16:24:14,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:24:14,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:24:14,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:24:14,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:24:14,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:24:14,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:24:14,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:24:14,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:24:14,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (1/1) ... [2022-04-18 16:24:14,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:24:14,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:24:14,131 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 16:24:14,133 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 16:24:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:24:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:24:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:24:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:24:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:24:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:24:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:24:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:24:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:24:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:24:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:24:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:24:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:24:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:24:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:24:14,172 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 16:24:14,308 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:24:14,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:24:14,546 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:24:14,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:24:14,641 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:24:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:24:14 BoogieIcfgContainer [2022-04-18 16:24:14,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:24:14,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:24:14,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:24:14,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:24:14,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:24:13" (1/3) ... [2022-04-18 16:24:14,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddcd16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:24:14, skipping insertion in model container [2022-04-18 16:24:14,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:24:14" (2/3) ... [2022-04-18 16:24:14,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddcd16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:24:14, skipping insertion in model container [2022-04-18 16:24:14,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:24:14" (3/3) ... [2022-04-18 16:24:14,650 INFO L111 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2022-04-18 16:24:14,653 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:24:14,653 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:24:14,654 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-04-18 16:24:14,654 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:24:14,703 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:24:14,742 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:24:14,747 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 16:24:14,747 INFO L341 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-04-18 16:24:14,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-04-18 16:24:14,791 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2022-04-18 16:24:14,793 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:24:14,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 118 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2022-04-18 16:24:14,796 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2022-04-18 16:24:14,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2022-04-18 16:24:14,806 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2022-04-18 16:24:14,807 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:24:14,807 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:24:14,807 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 16:24:14,808 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-04-18 16:24:14,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:24:14,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2065290507, now seen corresponding path program 1 times [2022-04-18 16:24:14,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:24:14,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819142595] [2022-04-18 16:24:14,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:24:14,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:24:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:24:14,941 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 16:24:14,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:24:14,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819142595] [2022-04-18 16:24:14,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819142595] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:24:14,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:24:14,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:24:14,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368331828] [2022-04-18 16:24:14,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:24:14,951 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:24:14,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:24:14,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:24:14,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:24:14,969 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 117 [2022-04-18 16:24:14,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 237 flow. Second operand has 2 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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 16:24:14,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:24:14,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 117 [2022-04-18 16:24:14,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:24:15,153 INFO L129 PetriNetUnfolder]: 396/829 cut-off events. [2022-04-18 16:24:15,153 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-04-18 16:24:15,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 829 events. 396/829 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4749 event pairs, 396 based on Foata normal form. 54/816 useless extension candidates. Maximal degree in co-relation 1451. Up to 609 conditions per place. [2022-04-18 16:24:15,163 INFO L132 encePairwiseOnDemand]: 95/117 looper letters, 14 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2022-04-18 16:24:15,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 91 transitions, 219 flow [2022-04-18 16:24:15,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:24:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:24:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions. [2022-04-18 16:24:15,176 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8376068376068376 [2022-04-18 16:24:15,177 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 196 transitions. [2022-04-18 16:24:15,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 196 transitions. [2022-04-18 16:24:15,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:24:15,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 196 transitions. [2022-04-18 16:24:15,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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 16:24:15,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 16:24:15,183 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 16:24:15,184 INFO L186 Difference]: Start difference. First operand has 122 places, 114 transitions, 237 flow. Second operand 2 states and 196 transitions. [2022-04-18 16:24:15,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 91 transitions, 219 flow [2022-04-18 16:24:15,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 91 transitions, 216 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-04-18 16:24:15,189 INFO L242 Difference]: Finished difference. Result has 99 places, 91 transitions, 188 flow [2022-04-18 16:24:15,190 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=99, PETRI_TRANSITIONS=91} [2022-04-18 16:24:15,195 INFO L335 CegarLoopForPetriNet]: 122 programPoint places, -23 predicate places. [2022-04-18 16:24:15,195 INFO L478 AbstractCegarLoop]: Abstraction has has 99 places, 91 transitions, 188 flow [2022-04-18 16:24:15,195 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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 16:24:15,195 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:24:15,196 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] [2022-04-18 16:24:15,196 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:24:15,196 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-04-18 16:24:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:24:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1632537850, now seen corresponding path program 1 times [2022-04-18 16:24:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:24:15,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415353679] [2022-04-18 16:24:15,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:24:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:24:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:24:15,310 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 16:24:15,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:24:15,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415353679] [2022-04-18 16:24:15,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415353679] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:24:15,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:24:15,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:24:15,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139162892] [2022-04-18 16:24:15,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:24:15,313 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:24:15,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:24:15,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:24:15,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:24:15,316 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 117 [2022-04-18 16:24:15,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 91 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 16:24:15,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:24:15,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 117 [2022-04-18 16:24:15,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:24:15,546 INFO L129 PetriNetUnfolder]: 684/2901 cut-off events. [2022-04-18 16:24:15,546 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:24:15,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3970 conditions, 2901 events. 684/2901 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 25911 event pairs, 252 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 3967. Up to 624 conditions per place. [2022-04-18 16:24:15,560 INFO L132 encePairwiseOnDemand]: 115/117 looper letters, 24 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2022-04-18 16:24:15,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 99 transitions, 254 flow [2022-04-18 16:24:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:24:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:24:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2022-04-18 16:24:15,564 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7321937321937322 [2022-04-18 16:24:15,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2022-04-18 16:24:15,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2022-04-18 16:24:15,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:24:15,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2022-04-18 16:24:15,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 16:24:15,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 16:24:15,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 16:24:15,569 INFO L186 Difference]: Start difference. First operand has 99 places, 91 transitions, 188 flow. Second operand 3 states and 257 transitions. [2022-04-18 16:24:15,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 99 transitions, 254 flow [2022-04-18 16:24:15,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 99 transitions, 254 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:24:15,572 INFO L242 Difference]: Finished difference. Result has 100 places, 90 transitions, 188 flow [2022-04-18 16:24:15,572 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=100, PETRI_TRANSITIONS=90} [2022-04-18 16:24:15,573 INFO L335 CegarLoopForPetriNet]: 122 programPoint places, -22 predicate places. [2022-04-18 16:24:15,573 INFO L478 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 188 flow [2022-04-18 16:24:15,573 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 16:24:15,573 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:24:15,573 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:24:15,574 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:24:15,574 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-04-18 16:24:15,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:24:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash 313599815, now seen corresponding path program 1 times [2022-04-18 16:24:15,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:24:15,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687251574] [2022-04-18 16:24:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:24:15,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:24:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:24:15,640 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 16:24:15,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:24:15,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687251574] [2022-04-18 16:24:15,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687251574] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:24:15,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:24:15,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:24:15,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513927703] [2022-04-18 16:24:15,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:24:15,642 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:24:15,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:24:15,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:24:15,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:24:15,643 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 117 [2022-04-18 16:24:15,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 16:24:15,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:24:15,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 117 [2022-04-18 16:24:15,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:24:15,814 INFO L129 PetriNetUnfolder]: 684/2312 cut-off events. [2022-04-18 16:24:15,814 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:24:15,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3383 conditions, 2312 events. 684/2312 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 18805 event pairs, 396 based on Foata normal form. 0/2184 useless extension candidates. Maximal degree in co-relation 3379. Up to 609 conditions per place. [2022-04-18 16:24:15,819 INFO L132 encePairwiseOnDemand]: 115/117 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2022-04-18 16:24:15,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 254 flow [2022-04-18 16:24:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:24:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:24:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2022-04-18 16:24:15,821 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7321937321937322 [2022-04-18 16:24:15,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2022-04-18 16:24:15,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2022-04-18 16:24:15,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:24:15,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2022-04-18 16:24:15,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 16:24:15,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 16:24:15,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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 16:24:15,824 INFO L186 Difference]: Start difference. First operand has 100 places, 90 transitions, 188 flow. Second operand 3 states and 257 transitions. [2022-04-18 16:24:15,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 254 flow [2022-04-18 16:24:15,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:24:15,827 INFO L242 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2022-04-18 16:24:15,827 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2022-04-18 16:24:15,829 INFO L335 CegarLoopForPetriNet]: 122 programPoint places, -22 predicate places. [2022-04-18 16:24:15,829 INFO L478 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2022-04-18 16:24:15,829 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 16:24:15,831 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2022-04-18 16:24:15,832 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2022-04-18 16:24:15,832 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2022-04-18 16:24:15,832 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2022-04-18 16:24:15,832 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2022-04-18 16:24:15,832 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2022-04-18 16:24:15,833 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2022-04-18 16:24:15,833 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2022-04-18 16:24:15,834 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2022-04-18 16:24:15,836 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2022-04-18 16:24:15,837 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2022-04-18 16:24:15,838 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2022-04-18 16:24:15,838 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2022-04-18 16:24:15,838 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2022-04-18 16:24:15,838 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2022-04-18 16:24:15,838 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2022-04-18 16:24:15,839 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2022-04-18 16:24:15,839 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2022-04-18 16:24:15,839 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2022-04-18 16:24:15,839 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2022-04-18 16:24:15,840 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2022-04-18 16:24:15,840 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2022-04-18 16:24:15,841 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 39 remaining) [2022-04-18 16:24:15,841 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2022-04-18 16:24:15,841 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 39 remaining) [2022-04-18 16:24:15,842 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2022-04-18 16:24:15,842 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2022-04-18 16:24:15,842 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2022-04-18 16:24:15,842 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2022-04-18 16:24:15,842 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2022-04-18 16:24:15,843 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2022-04-18 16:24:15,843 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2022-04-18 16:24:15,843 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2022-04-18 16:24:15,843 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2022-04-18 16:24:15,844 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2022-04-18 16:24:15,844 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2022-04-18 16:24:15,844 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2022-04-18 16:24:15,844 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2022-04-18 16:24:15,844 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2022-04-18 16:24:15,846 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:24:15,852 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-18 16:24:15,855 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:24:15,855 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:24:15,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:24:15 BasicIcfg [2022-04-18 16:24:15,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:24:15,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:24:15,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:24:15,861 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:24:15,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:24:14" (3/4) ... [2022-04-18 16:24:15,864 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:24:15,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 16:24:15,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 16:24:15,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 16:24:15,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-04-18 16:24:15,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-04-18 16:24:15,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-04-18 16:24:15,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:24:15,910 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:24:15,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:24:15,911 INFO L158 Benchmark]: Toolchain (without parser) took 2366.56ms. Allocated memory was 90.2MB in the beginning and 195.0MB in the end (delta: 104.9MB). Free memory was 52.8MB in the beginning and 140.8MB in the end (delta: -88.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-04-18 16:24:15,911 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:24:15,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.81ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 52.6MB in the beginning and 115.2MB in the end (delta: -62.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:24:15,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.03ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:24:15,912 INFO L158 Benchmark]: Boogie Preprocessor took 45.44ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 111.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:24:15,912 INFO L158 Benchmark]: RCFGBuilder took 537.51ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 89.5MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-04-18 16:24:15,912 INFO L158 Benchmark]: TraceAbstraction took 1213.97ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 88.9MB in the beginning and 144.0MB in the end (delta: -55.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-04-18 16:24:15,913 INFO L158 Benchmark]: Witness Printer took 50.23ms. Allocated memory is still 195.0MB. Free memory was 144.0MB in the beginning and 140.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:24:15,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.81ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 52.6MB in the beginning and 115.2MB in the end (delta: -62.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.03ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.44ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 111.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.51ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 89.5MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1213.97ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 88.9MB in the beginning and 144.0MB in the end (delta: -55.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 50.23ms. Allocated memory is still 195.0MB. Free memory was 144.0MB in the beginning and 140.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: 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 7 procedures, 154 locations, 39 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 89 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=237occurred 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, 0.1s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:24:15,966 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