./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix044_tso.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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/mix044_tso.oepc.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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:44:30,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:44:30,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:44:30,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:44:30,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:44:30,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:44:30,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:44:30,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:44:30,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:44:30,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:44:30,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:44:30,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:44:30,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:44:30,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:44:30,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:44:30,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:44:30,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:44:30,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:44:30,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:44:30,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:44:30,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:44:30,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:44:30,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:44:30,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:44:30,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:44:30,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:44:30,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:44:30,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:44:30,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:44:30,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:44:30,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:44:30,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:44:30,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:44:30,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:44:30,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:44:30,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:44:30,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:44:30,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:44:30,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:44:30,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:44:30,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:44:30,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:44:30,558 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:44:30,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:44:30,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:44:30,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:44:30,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:44:30,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:44:30,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:44:30,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:44:30,561 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:44:30,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:44:30,562 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:44:30,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:44:30,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:44:30,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:44:30,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:44:30,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:44:30,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:44:30,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:44:30,564 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:44:30,564 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:44:30,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:44:30,564 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:44:30,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:44:30,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:44:30,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:44:30,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:44:30,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:44:30,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:44:30,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:44:30,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:44:30,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:44:30,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:44:30,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:44:30,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:44:30,567 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:44:30,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:44:30,567 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:44:30,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:44:30,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:44:30,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:44:30,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:44:30,921 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:44:30,921 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:44:30,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044_tso.oepc.i [2023-08-30 08:44:32,193 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:44:32,421 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:44:32,422 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044_tso.oepc.i [2023-08-30 08:44:32,439 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1824c0832/89ca3544e8bc44b9b8d10cedb27333bc/FLAG2df2f3bb3 [2023-08-30 08:44:32,454 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1824c0832/89ca3544e8bc44b9b8d10cedb27333bc [2023-08-30 08:44:32,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:44:32,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:44:32,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:44:32,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:44:32,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:44:32,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:44:32" (1/1) ... [2023-08-30 08:44:32,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb7a666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:32, skipping insertion in model container [2023-08-30 08:44:32,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:44:32" (1/1) ... [2023-08-30 08:44:32,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:44:32,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:44:32,655 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/mix044_tso.oepc.i[949,962] [2023-08-30 08:44:32,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:44:32,879 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:44:32,890 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/mix044_tso.oepc.i[949,962] [2023-08-30 08:44:32,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:44:32,994 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:44:32,994 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:44:33,000 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:44:33,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33 WrapperNode [2023-08-30 08:44:33,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:44:33,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:44:33,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:44:33,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:44:33,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,080 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2023-08-30 08:44:33,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:44:33,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:44:33,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:44:33,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:44:33,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:44:33,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:44:33,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:44:33,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:44:33,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (1/1) ... [2023-08-30 08:44:33,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:44:33,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:44:33,162 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 08:44:33,187 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 08:44:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:44:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:44:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:44:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:44:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:44:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 08:44:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 08:44:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 08:44:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 08:44:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 08:44:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 08:44:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 08:44:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 08:44:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:44:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:44:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:44:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:44:33,209 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 08:44:33,367 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:44:33,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:44:33,725 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:44:33,887 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:44:33,888 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:44:33,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:44:33 BoogieIcfgContainer [2023-08-30 08:44:33,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:44:33,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:44:33,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:44:33,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:44:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:44:32" (1/3) ... [2023-08-30 08:44:33,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe4c8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:44:33, skipping insertion in model container [2023-08-30 08:44:33,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:44:33" (2/3) ... [2023-08-30 08:44:33,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe4c8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:44:33, skipping insertion in model container [2023-08-30 08:44:33,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:44:33" (3/3) ... [2023-08-30 08:44:33,901 INFO L112 eAbstractionObserver]: Analyzing ICFG mix044_tso.oepc.i [2023-08-30 08:44:33,907 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:44:33,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:44:33,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 08:44:33,914 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:44:33,979 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 08:44:34,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 138 transitions, 296 flow [2023-08-30 08:44:34,091 INFO L130 PetriNetUnfolder]: 2/134 cut-off events. [2023-08-30 08:44:34,091 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:44:34,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 134 events. 2/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-08-30 08:44:34,096 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 138 transitions, 296 flow [2023-08-30 08:44:34,100 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 134 transitions, 280 flow [2023-08-30 08:44:34,103 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:44:34,110 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 134 transitions, 280 flow [2023-08-30 08:44:34,112 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 134 transitions, 280 flow [2023-08-30 08:44:34,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 134 transitions, 280 flow [2023-08-30 08:44:34,160 INFO L130 PetriNetUnfolder]: 2/134 cut-off events. [2023-08-30 08:44:34,161 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:44:34,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 134 events. 2/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-08-30 08:44:34,166 INFO L119 LiptonReduction]: Number of co-enabled transitions 4116 [2023-08-30 08:44:38,932 INFO L134 LiptonReduction]: Checked pairs total: 14502 [2023-08-30 08:44:38,932 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-30 08:44:38,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:44:38,951 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;@26137aa7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:44:38,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-08-30 08:44:38,955 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-08-30 08:44:38,956 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:44:38,956 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:44:38,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 08:44:38,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 08:44:38,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:44:38,961 INFO L85 PathProgramCache]: Analyzing trace with hash 200432605, now seen corresponding path program 1 times [2023-08-30 08:44:38,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:44:38,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779237471] [2023-08-30 08:44:38,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:44:38,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:44:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:44:39,303 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 08:44:39,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:44:39,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779237471] [2023-08-30 08:44:39,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779237471] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:44:39,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:44:39,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:44:39,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007262333] [2023-08-30 08:44:39,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:44:39,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:44:39,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:44:39,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:44:39,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:44:39,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 242 [2023-08-30 08:44:39,347 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 08:44:39,348 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:44:39,348 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 242 [2023-08-30 08:44:39,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:44:40,847 INFO L130 PetriNetUnfolder]: 8379/11803 cut-off events. [2023-08-30 08:44:40,848 INFO L131 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2023-08-30 08:44:40,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23767 conditions, 11803 events. 8379/11803 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 65625 event pairs, 2390 based on Foata normal form. 0/8573 useless extension candidates. Maximal degree in co-relation 23755. Up to 10350 conditions per place. [2023-08-30 08:44:40,939 INFO L137 encePairwiseOnDemand]: 229/242 looper letters, 47 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2023-08-30 08:44:40,940 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 239 flow [2023-08-30 08:44:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:44:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:44:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2023-08-30 08:44:40,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5413223140495868 [2023-08-30 08:44:40,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 393 transitions. [2023-08-30 08:44:40,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 393 transitions. [2023-08-30 08:44:40,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:44:40,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 393 transitions. [2023-08-30 08:44:40,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 08:44:40,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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 08:44:40,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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 08:44:40,965 INFO L175 Difference]: Start difference. First operand has 49 places, 36 transitions, 84 flow. Second operand 3 states and 393 transitions. [2023-08-30 08:44:40,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 239 flow [2023-08-30 08:44:40,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 57 transitions, 232 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-30 08:44:40,972 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 127 flow [2023-08-30 08:44:40,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-08-30 08:44:40,977 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2023-08-30 08:44:40,977 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 127 flow [2023-08-30 08:44:40,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 08:44:40,978 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:44:40,978 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:44:40,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:44:40,979 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 08:44:40,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:44:40,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1731682936, now seen corresponding path program 1 times [2023-08-30 08:44:40,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:44:40,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240203212] [2023-08-30 08:44:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:44:40,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:44:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:44:41,099 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 08:44:41,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:44:41,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240203212] [2023-08-30 08:44:41,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240203212] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:44:41,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:44:41,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:44:41,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588312621] [2023-08-30 08:44:41,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:44:41,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:44:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:44:41,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:44:41,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:44:41,113 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 242 [2023-08-30 08:44:41,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 113.5) internal successors, (454), 4 states have internal predecessors, (454), 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 08:44:41,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:44:41,114 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 242 [2023-08-30 08:44:41,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:44:42,077 INFO L130 PetriNetUnfolder]: 5187/7339 cut-off events. [2023-08-30 08:44:42,078 INFO L131 PetriNetUnfolder]: For 423/423 co-relation queries the response was YES. [2023-08-30 08:44:42,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17842 conditions, 7339 events. 5187/7339 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 38956 event pairs, 1390 based on Foata normal form. 0/6151 useless extension candidates. Maximal degree in co-relation 17831. Up to 5885 conditions per place. [2023-08-30 08:44:42,126 INFO L137 encePairwiseOnDemand]: 233/242 looper letters, 43 selfloop transitions, 5 changer transitions 0/53 dead transitions. [2023-08-30 08:44:42,127 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 53 transitions, 247 flow [2023-08-30 08:44:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:44:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:44:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 496 transitions. [2023-08-30 08:44:42,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.512396694214876 [2023-08-30 08:44:42,132 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 496 transitions. [2023-08-30 08:44:42,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 496 transitions. [2023-08-30 08:44:42,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:44:42,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 496 transitions. [2023-08-30 08:44:42,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 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 08:44:42,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 08:44:42,137 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 08:44:42,138 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 127 flow. Second operand 4 states and 496 transitions. [2023-08-30 08:44:42,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 53 transitions, 247 flow [2023-08-30 08:44:42,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:44:42,140 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 116 flow [2023-08-30 08:44:42,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2023-08-30 08:44:42,141 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2023-08-30 08:44:42,142 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 116 flow [2023-08-30 08:44:42,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.5) internal successors, (454), 4 states have internal predecessors, (454), 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 08:44:42,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:44:42,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:44:42,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:44:42,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 08:44:42,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:44:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1731682937, now seen corresponding path program 1 times [2023-08-30 08:44:42,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:44:42,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543203601] [2023-08-30 08:44:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:44:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:44:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:44:42,244 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 08:44:42,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:44:42,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543203601] [2023-08-30 08:44:42,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543203601] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:44:42,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:44:42,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:44:42,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612178259] [2023-08-30 08:44:42,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:44:42,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:44:42,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:44:42,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:44:42,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:44:42,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 242 [2023-08-30 08:44:42,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 113.5) internal successors, (454), 4 states have internal predecessors, (454), 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 08:44:42,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:44:42,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 242 [2023-08-30 08:44:42,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:44:42,941 INFO L130 PetriNetUnfolder]: 3471/4985 cut-off events. [2023-08-30 08:44:42,941 INFO L131 PetriNetUnfolder]: For 1346/1346 co-relation queries the response was YES. [2023-08-30 08:44:42,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11921 conditions, 4985 events. 3471/4985 cut-off events. For 1346/1346 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 25765 event pairs, 964 based on Foata normal form. 0/4655 useless extension candidates. Maximal degree in co-relation 11909. Up to 1836 conditions per place. [2023-08-30 08:44:42,968 INFO L137 encePairwiseOnDemand]: 233/242 looper letters, 58 selfloop transitions, 9 changer transitions 0/72 dead transitions. [2023-08-30 08:44:42,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 72 transitions, 340 flow [2023-08-30 08:44:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:44:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:44:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2023-08-30 08:44:42,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5320247933884298 [2023-08-30 08:44:42,971 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 515 transitions. [2023-08-30 08:44:42,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 515 transitions. [2023-08-30 08:44:42,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:44:42,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 515 transitions. [2023-08-30 08:44:42,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 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 08:44:42,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 08:44:42,976 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 08:44:42,976 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 116 flow. Second operand 4 states and 515 transitions. [2023-08-30 08:44:42,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 72 transitions, 340 flow [2023-08-30 08:44:42,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 72 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 08:44:42,980 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 168 flow [2023-08-30 08:44:42,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=168, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-08-30 08:44:42,981 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2023-08-30 08:44:42,981 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 168 flow [2023-08-30 08:44:42,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.5) internal successors, (454), 4 states have internal predecessors, (454), 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 08:44:42,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:44:42,982 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 08:44:42,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:44:42,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 08:44:42,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:44:42,983 INFO L85 PathProgramCache]: Analyzing trace with hash 95675702, now seen corresponding path program 1 times [2023-08-30 08:44:42,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:44:42,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544426309] [2023-08-30 08:44:42,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:44:42,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:44:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:44:43,111 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 08:44:43,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:44:43,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544426309] [2023-08-30 08:44:43,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544426309] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:44:43,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:44:43,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:44:43,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376213033] [2023-08-30 08:44:43,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:44:43,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:44:43,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:44:43,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:44:43,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:44:43,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 242 [2023-08-30 08:44:43,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 168 flow. Second operand has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 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 08:44:43,126 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:44:43,126 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 242 [2023-08-30 08:44:43,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:44:43,754 INFO L130 PetriNetUnfolder]: 3171/4511 cut-off events. [2023-08-30 08:44:43,756 INFO L131 PetriNetUnfolder]: For 2769/2769 co-relation queries the response was YES. [2023-08-30 08:44:43,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12348 conditions, 4511 events. 3171/4511 cut-off events. For 2769/2769 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 22944 event pairs, 920 based on Foata normal form. 0/4379 useless extension candidates. Maximal degree in co-relation 12335. Up to 1836 conditions per place. [2023-08-30 08:44:43,776 INFO L137 encePairwiseOnDemand]: 233/242 looper letters, 67 selfloop transitions, 13 changer transitions 4/89 dead transitions. [2023-08-30 08:44:43,780 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 89 transitions, 462 flow [2023-08-30 08:44:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:44:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:44:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 643 transitions. [2023-08-30 08:44:43,782 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.531404958677686 [2023-08-30 08:44:43,782 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 643 transitions. [2023-08-30 08:44:43,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 643 transitions. [2023-08-30 08:44:43,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:44:43,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 643 transitions. [2023-08-30 08:44:43,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 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 08:44:43,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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 08:44:43,788 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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 08:44:43,788 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 168 flow. Second operand 5 states and 643 transitions. [2023-08-30 08:44:43,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 89 transitions, 462 flow [2023-08-30 08:44:43,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 89 transitions, 444 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-30 08:44:43,798 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 192 flow [2023-08-30 08:44:43,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=192, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2023-08-30 08:44:43,799 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2023-08-30 08:44:43,800 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 192 flow [2023-08-30 08:44:43,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 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 08:44:43,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:44:43,800 INFO L208 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] [2023-08-30 08:44:43,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:44:43,801 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 08:44:43,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:44:43,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1728727071, now seen corresponding path program 1 times [2023-08-30 08:44:43,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:44:43,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62286258] [2023-08-30 08:44:43,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:44:43,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:44:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:44:43,945 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 08:44:43,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:44:43,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62286258] [2023-08-30 08:44:43,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62286258] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:44:43,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:44:43,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 08:44:43,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727704716] [2023-08-30 08:44:43,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:44:43,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-30 08:44:43,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:44:43,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-30 08:44:43,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-30 08:44:43,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 242 [2023-08-30 08:44:43,959 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 114.33333333333333) internal successors, (686), 6 states have internal predecessors, (686), 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 08:44:43,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:44:43,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 242 [2023-08-30 08:44:43,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:44:44,611 INFO L130 PetriNetUnfolder]: 3144/4464 cut-off events. [2023-08-30 08:44:44,611 INFO L131 PetriNetUnfolder]: For 3391/3391 co-relation queries the response was YES. [2023-08-30 08:44:44,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12519 conditions, 4464 events. 3144/4464 cut-off events. For 3391/3391 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 22830 event pairs, 920 based on Foata normal form. 16/4364 useless extension candidates. Maximal degree in co-relation 12505. Up to 1836 conditions per place. [2023-08-30 08:44:44,623 INFO L137 encePairwiseOnDemand]: 233/242 looper letters, 0 selfloop transitions, 0 changer transitions 81/81 dead transitions. [2023-08-30 08:44:44,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 81 transitions, 414 flow [2023-08-30 08:44:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 08:44:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 08:44:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 746 transitions. [2023-08-30 08:44:44,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5137741046831956 [2023-08-30 08:44:44,626 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 746 transitions. [2023-08-30 08:44:44,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 746 transitions. [2023-08-30 08:44:44,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:44:44,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 746 transitions. [2023-08-30 08:44:44,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.33333333333333) internal successors, (746), 6 states have internal predecessors, (746), 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 08:44:44,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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 08:44:44,632 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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 08:44:44,632 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 192 flow. Second operand 6 states and 746 transitions. [2023-08-30 08:44:44,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 81 transitions, 414 flow [2023-08-30 08:44:44,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 81 transitions, 359 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-08-30 08:44:44,683 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2023-08-30 08:44:44,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2023-08-30 08:44:44,684 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2023-08-30 08:44:44,684 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2023-08-30 08:44:44,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.33333333333333) internal successors, (686), 6 states have internal predecessors, (686), 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 08:44:44,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-08-30 08:44:44,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-08-30 08:44:44,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-08-30 08:44:44,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-08-30 08:44:44,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-08-30 08:44:44,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-08-30 08:44:44,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-08-30 08:44:44,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-08-30 08:44:44,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-08-30 08:44:44,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-08-30 08:44:44,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-08-30 08:44:44,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-08-30 08:44:44,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-08-30 08:44:44,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-08-30 08:44:44,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-08-30 08:44:44,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-08-30 08:44:44,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-08-30 08:44:44,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-08-30 08:44:44,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-08-30 08:44:44,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-08-30 08:44:44,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 08:44:44,690 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-30 08:44:44,714 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:44:44,714 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:44:44,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:44:44 BasicIcfg [2023-08-30 08:44:44,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:44:44,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:44:44,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:44:44,719 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:44:44,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:44:33" (3/4) ... [2023-08-30 08:44:44,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:44:44,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 08:44:44,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 08:44:44,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 08:44:44,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-08-30 08:44:44,750 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-30 08:44:44,750 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-30 08:44:44,751 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 08:44:44,751 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:44:44,789 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:44:44,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:44:44,790 INFO L158 Benchmark]: Toolchain (without parser) took 12333.13ms. Allocated memory was 71.3MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 39.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,790 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:44:44,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.40ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 57.8MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.08ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 55.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,791 INFO L158 Benchmark]: Boogie Preprocessor took 49.51ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,791 INFO L158 Benchmark]: RCFGBuilder took 761.59ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 70.1MB in the end (delta: -17.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,792 INFO L158 Benchmark]: TraceAbstraction took 10823.32ms. Allocated memory was 94.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 477.2MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,792 INFO L158 Benchmark]: Witness Printer took 70.19ms. Allocated memory is still 1.3GB. Free memory was 1.2GB in the beginning and 1.3GB in the end (delta: -43.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:44:44,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.40ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 57.8MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.08ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 55.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.51ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.59ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 70.1MB in the end (delta: -17.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10823.32ms. Allocated memory was 94.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 477.2MB. Max. memory is 16.1GB. * Witness Printer took 70.19ms. Allocated memory is still 1.3GB. Free memory was 1.2GB in the beginning and 1.3GB in the end (delta: -43.0MB). 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: 4.8s, 145 PlacesBefore, 49 PlacesAfterwards, 134 TransitionsBefore, 36 TransitionsAfterwards, 4116 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 104 TotalNumberOfCompositions, 14502 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5468, independent: 5112, independent conditional: 0, independent unconditional: 5112, dependent: 356, dependent conditional: 0, dependent unconditional: 356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2192, independent: 2113, independent conditional: 0, independent unconditional: 2113, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5468, independent: 2999, independent conditional: 0, independent unconditional: 2999, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 2192, unknown conditional: 0, unknown unconditional: 2192] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 243, Positive conditional cache size: 0, Positive unconditional cache size: 243, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: 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 9 procedures, 183 locations, 20 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: 10.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 6 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 0.6s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 08:44:44,813 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