./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:01:48,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:01:48,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:01:48,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:01:48,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:01:48,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:01:48,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:01:48,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:01:48,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:01:48,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:01:48,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:01:48,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:01:48,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:01:48,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:01:48,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:01:48,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:01:48,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:01:48,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:01:48,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:01:48,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:01:48,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:01:48,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:01:48,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:01:48,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:01:48,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:01:48,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:01:48,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:01:48,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:01:48,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:01:48,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:01:48,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:01:48,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:01:48,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:01:48,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:01:48,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:01:48,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:01:48,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:01:48,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:01:48,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:01:48,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:01:48,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:01:48,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:01:48,571 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:01:48,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:01:48,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:01:48,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:01:48,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:01:48,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:01:48,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:01:48,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:01:48,575 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:01:48,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:01:48,576 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:01:48,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:01:48,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:01:48,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:01:48,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:01:48,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:01:48,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:01:48,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:01:48,578 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:01:48,578 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:01:48,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:01:48,578 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:01:48,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:01:48,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:01:48,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:01:48,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:01:48,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:01:48,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:01:48,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:01:48,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:01:48,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:01:48,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:01:48,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:01:48,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:01:48,581 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:01:48,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:01:48,582 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:01:48,582 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:01:48,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:01:48,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:01:48,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:01:48,911 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:01:48,911 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:01:48,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-30 13:01:50,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:01:50,528 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:01:50,529 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-30 13:01:50,550 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d002f339/b2ad9330929e41cc812138843c994bd5/FLAG0511d6075 [2023-08-30 13:01:50,564 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d002f339/b2ad9330929e41cc812138843c994bd5 [2023-08-30 13:01:50,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:01:50,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:01:50,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:01:50,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:01:50,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:01:50,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:01:50" (1/1) ... [2023-08-30 13:01:50,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543419d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:50, skipping insertion in model container [2023-08-30 13:01:50,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:01:50" (1/1) ... [2023-08-30 13:01:50,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:01:50,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:01:50,752 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2023-08-30 13:01:50,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:01:51,002 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:01:51,031 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2023-08-30 13:01:51,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:01:51,144 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:01:51,145 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:01:51,150 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:01:51,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51 WrapperNode [2023-08-30 13:01:51,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:01:51,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:01:51,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:01:51,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:01:51,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,227 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 167 [2023-08-30 13:01:51,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:01:51,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:01:51,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:01:51,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:01:51,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:01:51,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:01:51,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:01:51,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:01:51,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (1/1) ... [2023-08-30 13:01:51,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:01:51,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:01:51,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 13:01:51,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 13:01:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:01:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 13:01:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:01:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:01:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:01:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 13:01:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 13:01:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 13:01:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 13:01:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 13:01:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 13:01:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:01:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 13:01:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:01:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:01:51,367 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:01:51,546 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:01:51,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:01:51,926 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:01:52,079 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:01:52,080 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 13:01:52,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:01:52 BoogieIcfgContainer [2023-08-30 13:01:52,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:01:52,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:01:52,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:01:52,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:01:52,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:01:50" (1/3) ... [2023-08-30 13:01:52,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356dfdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:01:52, skipping insertion in model container [2023-08-30 13:01:52,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:01:51" (2/3) ... [2023-08-30 13:01:52,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356dfdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:01:52, skipping insertion in model container [2023-08-30 13:01:52,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:01:52" (3/3) ... [2023-08-30 13:01:52,089 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-30 13:01:52,097 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:01:52,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:01:52,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 13:01:52,106 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:01:52,157 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 13:01:52,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 112 transitions, 239 flow [2023-08-30 13:01:52,260 INFO L130 PetriNetUnfolder]: 2/109 cut-off events. [2023-08-30 13:01:52,260 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:01:52,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-08-30 13:01:52,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 112 transitions, 239 flow [2023-08-30 13:01:52,270 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 109 transitions, 227 flow [2023-08-30 13:01:52,277 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:01:52,285 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 109 transitions, 227 flow [2023-08-30 13:01:52,287 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 109 transitions, 227 flow [2023-08-30 13:01:52,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 109 transitions, 227 flow [2023-08-30 13:01:52,312 INFO L130 PetriNetUnfolder]: 2/109 cut-off events. [2023-08-30 13:01:52,312 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:01:52,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-08-30 13:01:52,315 INFO L119 LiptonReduction]: Number of co-enabled transitions 2388 [2023-08-30 13:01:55,854 INFO L134 LiptonReduction]: Checked pairs total: 7722 [2023-08-30 13:01:55,854 INFO L136 LiptonReduction]: Total number of compositions: 88 [2023-08-30 13:01:55,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:01:55,871 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@bddb3ee, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:01:55,872 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-30 13:01:55,875 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-08-30 13:01:55,875 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:01:55,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:01:55,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:01:55,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 13:01:55,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:01:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1554168914, now seen corresponding path program 1 times [2023-08-30 13:01:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:01:55,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125495939] [2023-08-30 13:01:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:01:55,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:01:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:01:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:01:56,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:01:56,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125495939] [2023-08-30 13:01:56,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125495939] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:01:56,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:01:56,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:01:56,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959270122] [2023-08-30 13:01:56,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:01:56,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:01:56,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:01:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:01:56,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:01:56,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-08-30 13:01:56,203 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:56,203 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:01:56,203 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-08-30 13:01:56,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:01:56,619 INFO L130 PetriNetUnfolder]: 1409/2163 cut-off events. [2023-08-30 13:01:56,619 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-30 13:01:56,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4382 conditions, 2163 events. 1409/2163 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10396 event pairs, 473 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 4371. Up to 1568 conditions per place. [2023-08-30 13:01:56,634 INFO L137 encePairwiseOnDemand]: 189/200 looper letters, 40 selfloop transitions, 4 changer transitions 0/46 dead transitions. [2023-08-30 13:01:56,635 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 46 transitions, 195 flow [2023-08-30 13:01:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:01:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:01:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-08-30 13:01:56,647 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5316666666666666 [2023-08-30 13:01:56,647 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-08-30 13:01:56,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-08-30 13:01:56,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:01:56,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-08-30 13:01:56,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:56,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:56,658 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:56,660 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 67 flow. Second operand 3 states and 319 transitions. [2023-08-30 13:01:56,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 46 transitions, 195 flow [2023-08-30 13:01:56,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 46 transitions, 190 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:01:56,665 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 98 flow [2023-08-30 13:01:56,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2023-08-30 13:01:56,670 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2023-08-30 13:01:56,671 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 98 flow [2023-08-30 13:01:56,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:56,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:01:56,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:01:56,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:01:56,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 13:01:56,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:01:56,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1017998902, now seen corresponding path program 1 times [2023-08-30 13:01:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:01:56,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784072805] [2023-08-30 13:01:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:01:56,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:01:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:01:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:01:56,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:01:56,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784072805] [2023-08-30 13:01:56,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784072805] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:01:56,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:01:56,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:01:56,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524978978] [2023-08-30 13:01:56,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:01:56,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:01:56,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:01:56,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:01:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:01:56,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-08-30 13:01:56,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:56,831 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:01:56,831 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-08-30 13:01:56,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:01:57,172 INFO L130 PetriNetUnfolder]: 1132/1722 cut-off events. [2023-08-30 13:01:57,173 INFO L131 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2023-08-30 13:01:57,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4156 conditions, 1722 events. 1132/1722 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7898 event pairs, 413 based on Foata normal form. 0/1569 useless extension candidates. Maximal degree in co-relation 4145. Up to 1126 conditions per place. [2023-08-30 13:01:57,183 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 37 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2023-08-30 13:01:57,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 43 transitions, 202 flow [2023-08-30 13:01:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:01:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:01:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 400 transitions. [2023-08-30 13:01:57,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-30 13:01:57,190 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 400 transitions. [2023-08-30 13:01:57,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 400 transitions. [2023-08-30 13:01:57,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:01:57,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 400 transitions. [2023-08-30 13:01:57,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,198 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,198 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 98 flow. Second operand 4 states and 400 transitions. [2023-08-30 13:01:57,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 43 transitions, 202 flow [2023-08-30 13:01:57,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 43 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:01:57,200 INFO L231 Difference]: Finished difference. Result has 37 places, 28 transitions, 90 flow [2023-08-30 13:01:57,200 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=90, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2023-08-30 13:01:57,201 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2023-08-30 13:01:57,201 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 90 flow [2023-08-30 13:01:57,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:01:57,202 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:01:57,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:01:57,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 13:01:57,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:01:57,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1017998901, now seen corresponding path program 1 times [2023-08-30 13:01:57,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:01:57,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797977826] [2023-08-30 13:01:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:01:57,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:01:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:01:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:01:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:01:57,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797977826] [2023-08-30 13:01:57,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797977826] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:01:57,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:01:57,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:01:57,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678109755] [2023-08-30 13:01:57,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:01:57,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:01:57,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:01:57,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:01:57,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:01:57,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-08-30 13:01:57,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,309 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:01:57,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-08-30 13:01:57,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:01:57,568 INFO L130 PetriNetUnfolder]: 921/1392 cut-off events. [2023-08-30 13:01:57,568 INFO L131 PetriNetUnfolder]: For 457/457 co-relation queries the response was YES. [2023-08-30 13:01:57,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3329 conditions, 1392 events. 921/1392 cut-off events. For 457/457 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6182 event pairs, 378 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 3317. Up to 589 conditions per place. [2023-08-30 13:01:57,576 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 47 selfloop transitions, 7 changer transitions 3/59 dead transitions. [2023-08-30 13:01:57,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 59 transitions, 278 flow [2023-08-30 13:01:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:01:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:01:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 416 transitions. [2023-08-30 13:01:57,578 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.52 [2023-08-30 13:01:57,578 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 416 transitions. [2023-08-30 13:01:57,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 416 transitions. [2023-08-30 13:01:57,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:01:57,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 416 transitions. [2023-08-30 13:01:57,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,582 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,583 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 90 flow. Second operand 4 states and 416 transitions. [2023-08-30 13:01:57,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 59 transitions, 278 flow [2023-08-30 13:01:57,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 59 transitions, 273 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:01:57,585 INFO L231 Difference]: Finished difference. Result has 39 places, 28 transitions, 111 flow [2023-08-30 13:01:57,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2023-08-30 13:01:57,586 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 1 predicate places. [2023-08-30 13:01:57,586 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 111 flow [2023-08-30 13:01:57,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:01:57,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:01:57,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:01:57,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 13:01:57,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:01:57,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1979839747, now seen corresponding path program 1 times [2023-08-30 13:01:57,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:01:57,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927318700] [2023-08-30 13:01:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:01:57,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:01:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:01:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:01:57,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:01:57,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927318700] [2023-08-30 13:01:57,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927318700] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:01:57,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:01:57,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:01:57,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425705916] [2023-08-30 13:01:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:01:57,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 13:01:57,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:01:57,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 13:01:57,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:01:57,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-08-30 13:01:57,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:57,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:01:57,793 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-08-30 13:01:57,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:01:58,061 INFO L130 PetriNetUnfolder]: 895/1346 cut-off events. [2023-08-30 13:01:58,061 INFO L131 PetriNetUnfolder]: For 957/957 co-relation queries the response was YES. [2023-08-30 13:01:58,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3597 conditions, 1346 events. 895/1346 cut-off events. For 957/957 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5967 event pairs, 378 based on Foata normal form. 15/1357 useless extension candidates. Maximal degree in co-relation 3584. Up to 589 conditions per place. [2023-08-30 13:01:58,066 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 0 selfloop transitions, 0 changer transitions 53/53 dead transitions. [2023-08-30 13:01:58,066 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 53 transitions, 257 flow [2023-08-30 13:01:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:01:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:01:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 499 transitions. [2023-08-30 13:01:58,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.499 [2023-08-30 13:01:58,072 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 499 transitions. [2023-08-30 13:01:58,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 499 transitions. [2023-08-30 13:01:58,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:01:58,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 499 transitions. [2023-08-30 13:01:58,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:58,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:58,077 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:58,077 INFO L175 Difference]: Start difference. First operand has 39 places, 28 transitions, 111 flow. Second operand 5 states and 499 transitions. [2023-08-30 13:01:58,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 53 transitions, 257 flow [2023-08-30 13:01:58,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 53 transitions, 233 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-30 13:01:58,082 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2023-08-30 13:01:58,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2023-08-30 13:01:58,084 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2023-08-30 13:01:58,084 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2023-08-30 13:01:58,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:01:58,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-08-30 13:01:58,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-08-30 13:01:58,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-08-30 13:01:58,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-08-30 13:01:58,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-08-30 13:01:58,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-08-30 13:01:58,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-30 13:01:58,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-08-30 13:01:58,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-08-30 13:01:58,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-08-30 13:01:58,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-08-30 13:01:58,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-08-30 13:01:58,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-08-30 13:01:58,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-08-30 13:01:58,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-08-30 13:01:58,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 13:01:58,092 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 13:01:58,099 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:01:58,100 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:01:58,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:01:58 BasicIcfg [2023-08-30 13:01:58,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:01:58,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:01:58,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:01:58,109 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:01:58,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:01:52" (3/4) ... [2023-08-30 13:01:58,111 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:01:58,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 13:01:58,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 13:01:58,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 13:01:58,122 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-30 13:01:58,123 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-30 13:01:58,123 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 13:01:58,123 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:01:58,168 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:01:58,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:01:58,169 INFO L158 Benchmark]: Toolchain (without parser) took 7601.25ms. Allocated memory was 75.5MB in the beginning and 190.8MB in the end (delta: 115.3MB). Free memory was 52.0MB in the beginning and 114.0MB in the end (delta: -62.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,169 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:01:58,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.09ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 45.8MB in the end (delta: 6.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.29ms. Allocated memory is still 75.5MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,171 INFO L158 Benchmark]: Boogie Preprocessor took 63.34ms. Allocated memory is still 75.5MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,171 INFO L158 Benchmark]: RCFGBuilder took 789.41ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 46.0MB in the end (delta: -5.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,172 INFO L158 Benchmark]: TraceAbstraction took 6023.88ms. Allocated memory was 75.5MB in the beginning and 190.8MB in the end (delta: 115.3MB). Free memory was 45.5MB in the beginning and 117.2MB in the end (delta: -71.6MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,173 INFO L158 Benchmark]: Witness Printer took 60.48ms. Allocated memory is still 190.8MB. Free memory was 117.2MB in the beginning and 114.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:01:58,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.09ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 45.8MB in the end (delta: 6.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.29ms. Allocated memory is still 75.5MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.34ms. Allocated memory is still 75.5MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 789.41ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 46.0MB in the end (delta: -5.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6023.88ms. Allocated memory was 75.5MB in the beginning and 190.8MB in the end (delta: 115.3MB). Free memory was 45.5MB in the beginning and 117.2MB in the end (delta: -71.6MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. * Witness Printer took 60.48ms. Allocated memory is still 190.8MB. Free memory was 117.2MB in the beginning and 114.0MB 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: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 117 PlacesBefore, 38 PlacesAfterwards, 109 TransitionsBefore, 29 TransitionsAfterwards, 2388 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 7722 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2379, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1230, independent: 1191, independent conditional: 0, independent unconditional: 1191, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2379, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 1230, unknown conditional: 0, unknown unconditional: 1230] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 144 locations, 15 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: 5.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 264 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 10 mSDtfsCounter, 264 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.5s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 13:01:58,203 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