./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.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/safe002_power.opt_pso.oepc_pso.opt_rmo.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 390a12f9f7a5c311c1cdcecac54987f654ebac30db2fbb7661324a5599d93cf6 --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 08:46:43,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:46:43,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:46:43,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:46:43,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:46:43,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:46:43,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:46:43,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:46:43,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:46:43,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:46:43,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:46:43,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:46:43,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:46:43,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:46:43,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:46:43,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:46:43,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:46:43,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:46:43,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:46:43,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:46:43,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:46:43,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:46:43,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:46:43,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:46:43,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:46:43,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:46:43,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:46:43,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:46:43,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:46:43,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:46:43,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:46:43,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:46:43,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:46:43,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:46:43,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:46:43,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:46:43,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:46:43,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:46:43,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:46:43,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:46:43,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:46:43,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:46:43,528 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:46:43,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:46:43,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:46:43,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:46:43,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:46:43,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:46:43,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:46:43,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:46:43,531 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:46:43,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:46:43,531 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:46:43,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:46:43,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:46:43,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:46:43,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:46:43,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:46:43,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:46:43,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:46:43,533 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:46:43,533 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:46:43,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:46:43,533 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:46:43,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:46:43,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:46:43,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:46:43,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:46:43,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:46:43,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:46:43,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:46:43,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:46:43,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:46:43,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:46:43,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:46:43,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:46:43,537 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:46:43,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:46:43,537 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:46:43,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 390a12f9f7a5c311c1cdcecac54987f654ebac30db2fbb7661324a5599d93cf6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:46:43,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:46:43,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:46:43,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:46:43,881 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:46:43,882 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:46:43,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2023-08-30 08:46:45,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:46:45,279 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:46:45,280 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2023-08-30 08:46:45,291 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8577cde/3f6880c470874f5287ae58184fc04d65/FLAG7a43551db [2023-08-30 08:46:45,307 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8577cde/3f6880c470874f5287ae58184fc04d65 [2023-08-30 08:46:45,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:46:45,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:46:45,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:46:45,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:46:45,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:46:45,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8b260c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45, skipping insertion in model container [2023-08-30 08:46:45,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:46:45,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:46:45,523 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/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i[1019,1032] [2023-08-30 08:46:45,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:46:45,714 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:46:45,726 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/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i[1019,1032] [2023-08-30 08:46:45,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:46:45,816 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:46:45,818 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:46:45,824 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:46:45,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45 WrapperNode [2023-08-30 08:46:45,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:46:45,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:46:45,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:46:45,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:46:45,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,890 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2023-08-30 08:46:45,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:46:45,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:46:45,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:46:45,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:46:45,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:46:45,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:46:45,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:46:45,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:46:45,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (1/1) ... [2023-08-30 08:46:45,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:46:45,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:46:45,981 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 08:46:45,986 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 08:46:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:46:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:46:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:46:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:46:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:46:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 08:46:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 08:46:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 08:46:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 08:46:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 08:46:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 08:46:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:46:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:46:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:46:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:46:46,018 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 08:46:46,201 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:46:46,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:46:46,476 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:46:46,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:46:46,621 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:46:46,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:46:46 BoogieIcfgContainer [2023-08-30 08:46:46,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:46:46,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:46:46,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:46:46,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:46:46,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:46:45" (1/3) ... [2023-08-30 08:46:46,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6573505d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:46:46, skipping insertion in model container [2023-08-30 08:46:46,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:46:45" (2/3) ... [2023-08-30 08:46:46,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6573505d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:46:46, skipping insertion in model container [2023-08-30 08:46:46,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:46:46" (3/3) ... [2023-08-30 08:46:46,633 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2023-08-30 08:46:46,641 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:46:46,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:46:46,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 08:46:46,649 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:46:46,725 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 08:46:46,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2023-08-30 08:46:46,846 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-08-30 08:46:46,846 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:46:46,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 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. 0/100 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2023-08-30 08:46:46,852 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 111 transitions, 237 flow [2023-08-30 08:46:46,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 108 transitions, 225 flow [2023-08-30 08:46:46,865 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:46:46,872 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 108 transitions, 225 flow [2023-08-30 08:46:46,874 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 108 transitions, 225 flow [2023-08-30 08:46:46,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 108 transitions, 225 flow [2023-08-30 08:46:46,894 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-08-30 08:46:46,895 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:46:46,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 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. 0/100 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2023-08-30 08:46:46,897 INFO L119 LiptonReduction]: Number of co-enabled transitions 2256 [2023-08-30 08:46:50,177 INFO L134 LiptonReduction]: Checked pairs total: 7372 [2023-08-30 08:46:50,178 INFO L136 LiptonReduction]: Total number of compositions: 88 [2023-08-30 08:46:50,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:46:50,204 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;@57ec202d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:46:50,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-30 08:46:50,208 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 08:46:50,208 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:46:50,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:46:50,209 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:46:50,209 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 08:46:50,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:46:50,213 INFO L85 PathProgramCache]: Analyzing trace with hash 461050599, now seen corresponding path program 1 times [2023-08-30 08:46:50,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:46:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882481757] [2023-08-30 08:46:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:46:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:46:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:46:50,590 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 08:46:50,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:46:50,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882481757] [2023-08-30 08:46:50,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882481757] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:46:50,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:46:50,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:46:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444714715] [2023-08-30 08:46:50,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:46:50,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:46:50,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:46:50,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:46:50,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:46:50,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 199 [2023-08-30 08:46:50,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:46:50,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:46:50,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 199 [2023-08-30 08:46:50,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:46:50,982 INFO L130 PetriNetUnfolder]: 1175/1835 cut-off events. [2023-08-30 08:46:50,983 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 08:46:50,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3704 conditions, 1835 events. 1175/1835 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8864 event pairs, 367 based on Foata normal form. 0/1483 useless extension candidates. Maximal degree in co-relation 3693. Up to 1383 conditions per place. [2023-08-30 08:46:50,997 INFO L137 encePairwiseOnDemand]: 188/199 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-08-30 08:46:50,997 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 187 flow [2023-08-30 08:46:50,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:46:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:46:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2023-08-30 08:46:51,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5360134003350083 [2023-08-30 08:46:51,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2023-08-30 08:46:51,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2023-08-30 08:46:51,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:46:51,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2023-08-30 08:46:51,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 08:46:51,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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 08:46:51,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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 08:46:51,024 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 65 flow. Second operand 3 states and 320 transitions. [2023-08-30 08:46:51,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 187 flow [2023-08-30 08:46:51,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 44 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:46:51,029 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow [2023-08-30 08:46:51,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2023-08-30 08:46:51,034 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-08-30 08:46:51,034 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow [2023-08-30 08:46:51,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:46:51,035 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:46:51,035 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:46:51,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:46:51,036 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 08:46:51,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:46:51,036 INFO L85 PathProgramCache]: Analyzing trace with hash -83843350, now seen corresponding path program 1 times [2023-08-30 08:46:51,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:46:51,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492685044] [2023-08-30 08:46:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:46:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:46:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:46:51,146 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 08:46:51,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:46:51,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492685044] [2023-08-30 08:46:51,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492685044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:46:51,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:46:51,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:46:51,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909226839] [2023-08-30 08:46:51,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:46:51,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:46:51,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:46:51,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:46:51,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:46:51,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 199 [2023-08-30 08:46:51,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 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 08:46:51,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:46:51,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 199 [2023-08-30 08:46:51,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:46:51,407 INFO L130 PetriNetUnfolder]: 916/1422 cut-off events. [2023-08-30 08:46:51,407 INFO L131 PetriNetUnfolder]: For 125/125 co-relation queries the response was YES. [2023-08-30 08:46:51,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3450 conditions, 1422 events. 916/1422 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6496 event pairs, 307 based on Foata normal form. 0/1269 useless extension candidates. Maximal degree in co-relation 3439. Up to 969 conditions per place. [2023-08-30 08:46:51,416 INFO L137 encePairwiseOnDemand]: 192/199 looper letters, 35 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-08-30 08:46:51,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 194 flow [2023-08-30 08:46:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:46:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:46:51,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 402 transitions. [2023-08-30 08:46:51,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5050251256281407 [2023-08-30 08:46:51,420 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 402 transitions. [2023-08-30 08:46:51,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 402 transitions. [2023-08-30 08:46:51,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:46:51,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 402 transitions. [2023-08-30 08:46:51,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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 08:46:51,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 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 08:46:51,425 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 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 08:46:51,425 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 402 transitions. [2023-08-30 08:46:51,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 194 flow [2023-08-30 08:46:51,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:46:51,429 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow [2023-08-30 08:46:51,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2023-08-30 08:46:51,430 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-08-30 08:46:51,430 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow [2023-08-30 08:46:51,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 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 08:46:51,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:46:51,431 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:46:51,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:46:51,431 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 08:46:51,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:46:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash -83843349, now seen corresponding path program 1 times [2023-08-30 08:46:51,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:46:51,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747778713] [2023-08-30 08:46:51,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:46:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:46:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:46:51,515 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 08:46:51,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:46:51,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747778713] [2023-08-30 08:46:51,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747778713] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:46:51,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:46:51,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:46:51,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108233292] [2023-08-30 08:46:51,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:46:51,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:46:51,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:46:51,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:46:51,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:46:51,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 199 [2023-08-30 08:46:51,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 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 08:46:51,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:46:51,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 199 [2023-08-30 08:46:51,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:46:51,736 INFO L130 PetriNetUnfolder]: 723/1120 cut-off events. [2023-08-30 08:46:51,736 INFO L131 PetriNetUnfolder]: For 399/399 co-relation queries the response was YES. [2023-08-30 08:46:51,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2689 conditions, 1120 events. 723/1120 cut-off events. For 399/399 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4944 event pairs, 272 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 2677. Up to 459 conditions per place. [2023-08-30 08:46:51,743 INFO L137 encePairwiseOnDemand]: 192/199 looper letters, 44 selfloop transitions, 7 changer transitions 3/56 dead transitions. [2023-08-30 08:46:51,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 56 transitions, 266 flow [2023-08-30 08:46:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:46:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:46:51,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 417 transitions. [2023-08-30 08:46:51,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5238693467336684 [2023-08-30 08:46:51,746 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 417 transitions. [2023-08-30 08:46:51,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 417 transitions. [2023-08-30 08:46:51,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:46:51,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 417 transitions. [2023-08-30 08:46:51,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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 08:46:51,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 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 08:46:51,750 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 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 08:46:51,750 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 417 transitions. [2023-08-30 08:46:51,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 56 transitions, 266 flow [2023-08-30 08:46:51,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 56 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 08:46:51,753 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow [2023-08-30 08:46:51,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-08-30 08:46:51,754 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-08-30 08:46:51,757 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow [2023-08-30 08:46:51,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 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 08:46:51,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:46:51,759 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:46:51,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:46:51,759 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 08:46:51,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:46:51,760 INFO L85 PathProgramCache]: Analyzing trace with hash 324283344, now seen corresponding path program 1 times [2023-08-30 08:46:51,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:46:51,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600348388] [2023-08-30 08:46:51,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:46:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:46:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:46:51,926 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 08:46:51,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:46:51,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600348388] [2023-08-30 08:46:51,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600348388] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:46:51,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:46:51,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:46:51,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292387951] [2023-08-30 08:46:51,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:46:51,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:46:51,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:46:51,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:46:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:46:51,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 199 [2023-08-30 08:46:51,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 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 08:46:51,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:46:51,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 199 [2023-08-30 08:46:51,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:46:52,142 INFO L130 PetriNetUnfolder]: 697/1074 cut-off events. [2023-08-30 08:46:52,143 INFO L131 PetriNetUnfolder]: For 822/822 co-relation queries the response was YES. [2023-08-30 08:46:52,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2905 conditions, 1074 events. 697/1074 cut-off events. For 822/822 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4758 event pairs, 272 based on Foata normal form. 15/1075 useless extension candidates. Maximal degree in co-relation 2892. Up to 459 conditions per place. [2023-08-30 08:46:52,148 INFO L137 encePairwiseOnDemand]: 192/199 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-08-30 08:46:52,148 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 245 flow [2023-08-30 08:46:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:46:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:46:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 501 transitions. [2023-08-30 08:46:52,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5035175879396985 [2023-08-30 08:46:52,150 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 501 transitions. [2023-08-30 08:46:52,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 501 transitions. [2023-08-30 08:46:52,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:46:52,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 501 transitions. [2023-08-30 08:46:52,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 100.2) internal successors, (501), 5 states have internal predecessors, (501), 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 08:46:52,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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 08:46:52,155 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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 08:46:52,155 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 501 transitions. [2023-08-30 08:46:52,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 245 flow [2023-08-30 08:46:52,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 50 transitions, 221 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-30 08:46:52,158 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-08-30 08:46:52,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-08-30 08:46:52,158 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-08-30 08:46:52,159 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-08-30 08:46:52,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 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 08:46:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-08-30 08:46:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-08-30 08:46:52,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-08-30 08:46:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-08-30 08:46:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-08-30 08:46:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-08-30 08:46:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-30 08:46:52,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-08-30 08:46:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-08-30 08:46:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-08-30 08:46:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-08-30 08:46:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-08-30 08:46:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-08-30 08:46:52,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-08-30 08:46:52,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-08-30 08:46:52,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:46:52,165 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 08:46:52,169 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:46:52,170 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:46:52,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:46:52 BasicIcfg [2023-08-30 08:46:52,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:46:52,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:46:52,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:46:52,173 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:46:52,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:46:46" (3/4) ... [2023-08-30 08:46:52,176 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:46:52,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 08:46:52,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 08:46:52,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 08:46:52,183 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-30 08:46:52,184 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 08:46:52,184 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:46:52,184 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:46:52,212 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:46:52,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:46:52,213 INFO L158 Benchmark]: Toolchain (without parser) took 6901.25ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 63.3MB in the beginning and 45.1MB in the end (delta: 18.3MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,214 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:46:52,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.79ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 60.4MB in the end (delta: 2.7MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.70ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 57.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,214 INFO L158 Benchmark]: Boogie Preprocessor took 54.90ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,215 INFO L158 Benchmark]: RCFGBuilder took 675.55ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 47.1MB in the end (delta: 8.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,215 INFO L158 Benchmark]: TraceAbstraction took 5547.80ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 46.4MB in the beginning and 48.2MB in the end (delta: -1.8MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,215 INFO L158 Benchmark]: Witness Printer took 39.84ms. Allocated memory is still 146.8MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:46:52,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.79ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 60.4MB in the end (delta: 2.7MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.70ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 57.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.90ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.55ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 47.1MB in the end (delta: 8.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5547.80ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 46.4MB in the beginning and 48.2MB in the end (delta: -1.8MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Witness Printer took 39.84ms. Allocated memory is still 146.8MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 116 PlacesBefore, 37 PlacesAfterwards, 108 TransitionsBefore, 28 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 7372 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2971, independent: 2740, independent conditional: 0, independent unconditional: 2740, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1219, independent: 1168, independent conditional: 0, independent unconditional: 1168, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2971, independent: 1572, independent conditional: 0, independent unconditional: 1572, dependent: 180, dependent conditional: 0, dependent unconditional: 180, unknown: 1219, unknown conditional: 0, unknown unconditional: 1219] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, 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: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: 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, 142 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: 5.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 5 mSDtfsCounter, 245 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=109occurred 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, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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 08:46:52,234 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