./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi009_rmo.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/rfi009_rmo.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 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 05:22:58,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:22:58,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:22:58,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:22:58,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:22:58,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:22:58,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:22:58,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:22:58,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:22:58,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:22:58,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:22:58,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:22:58,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:22:58,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:22:58,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:22:58,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:22:58,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:22:58,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:22:58,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:22:58,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:22:58,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:22:58,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:22:58,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:22:58,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:22:58,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:22:58,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:22:58,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:22:58,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:22:58,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:22:58,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:22:58,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:22:58,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:22:58,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:22:58,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:22:58,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:22:58,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:22:58,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:22:58,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:22:58,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:22:58,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:22:58,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:22:58,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:22:58,460 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:22:58,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:22:58,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:22:58,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:22:58,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:22:58,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:22:58,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:22:58,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:22:58,464 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:22:58,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:22:58,465 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:22:58,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:22:58,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:22:58,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:22:58,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:22:58,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:22:58,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:22:58,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:22:58,467 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:22:58,467 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:22:58,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:22:58,467 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:22:58,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:22:58,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:22:58,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:22:58,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:22:58,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:22:58,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:22:58,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:22:58,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:22:58,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:22:58,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:22:58,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:22:58,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:22:58,470 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:22:58,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:22:58,471 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:22:58,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:22:58,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:22:58,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:22:58,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:22:58,821 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:22:58,821 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:22:58,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi009_rmo.oepc.i [2023-09-01 05:22:59,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:23:00,215 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:23:00,225 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi009_rmo.oepc.i [2023-09-01 05:23:00,247 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15dcecfbe/84ee340fbc434e289774c8b9e3b70022/FLAGb1c19031f [2023-09-01 05:23:00,262 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15dcecfbe/84ee340fbc434e289774c8b9e3b70022 [2023-09-01 05:23:00,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:23:00,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:23:00,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:23:00,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:23:00,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:23:00,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb99046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00, skipping insertion in model container [2023-09-01 05:23:00,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:23:00,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:23:00,530 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/rfi009_rmo.oepc.i[992,1005] [2023-09-01 05:23:00,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:23:00,770 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:23:00,782 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/rfi009_rmo.oepc.i[992,1005] [2023-09-01 05:23:00,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:23:00,895 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:23:00,896 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:23:00,903 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:23:00,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00 WrapperNode [2023-09-01 05:23:00,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:23:00,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:23:00,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:23:00,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:23:00,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,972 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 138 [2023-09-01 05:23:00,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:23:00,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:23:00,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:23:00,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:23:00,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:00,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:01,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:01,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:01,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:01,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:01,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:23:01,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:23:01,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:23:01,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:23:01,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (1/1) ... [2023-09-01 05:23:01,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:23:01,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:23:01,063 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) [2023-09-01 05:23:01,086 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 [2023-09-01 05:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 05:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:23:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-01 05:23:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-01 05:23:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-01 05:23:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-01 05:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-01 05:23:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-01 05:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:23:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:23:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:23:01,103 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 05:23:01,323 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:23:01,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:23:01,759 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:23:02,040 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:23:02,040 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:23:02,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:23:02 BoogieIcfgContainer [2023-09-01 05:23:02,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:23:02,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:23:02,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:23:02,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:23:02,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:23:00" (1/3) ... [2023-09-01 05:23:02,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb18ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:23:02, skipping insertion in model container [2023-09-01 05:23:02,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:00" (2/3) ... [2023-09-01 05:23:02,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb18ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:23:02, skipping insertion in model container [2023-09-01 05:23:02,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:23:02" (3/3) ... [2023-09-01 05:23:02,052 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_rmo.oepc.i [2023-09-01 05:23:02,059 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:23:02,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:23:02,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-01 05:23:02,068 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:23:02,139 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-01 05:23:02,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 130 transitions, 275 flow [2023-09-01 05:23:02,250 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2023-09-01 05:23:02,250 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:23:02,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-09-01 05:23:02,256 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 130 transitions, 275 flow [2023-09-01 05:23:02,263 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 127 transitions, 263 flow [2023-09-01 05:23:02,269 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:23:02,280 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 127 transitions, 263 flow [2023-09-01 05:23:02,285 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 127 transitions, 263 flow [2023-09-01 05:23:02,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 127 transitions, 263 flow [2023-09-01 05:23:02,332 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2023-09-01 05:23:02,332 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:23:02,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-09-01 05:23:02,338 INFO L119 LiptonReduction]: Number of co-enabled transitions 2166 [2023-09-01 05:23:08,230 INFO L134 LiptonReduction]: Checked pairs total: 8357 [2023-09-01 05:23:08,231 INFO L136 LiptonReduction]: Total number of compositions: 107 [2023-09-01 05:23:08,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:23:08,249 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;@6e17ee09, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:23:08,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-01 05:23:08,253 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-09-01 05:23:08,253 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:23:08,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:08,254 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:23:08,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:23:08,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:08,267 INFO L85 PathProgramCache]: Analyzing trace with hash 691475776, now seen corresponding path program 1 times [2023-09-01 05:23:08,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:08,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642304575] [2023-09-01 05:23:08,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:08,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:23:08,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:08,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642304575] [2023-09-01 05:23:08,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642304575] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:08,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:08,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:23:08,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174440717] [2023-09-01 05:23:08,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:08,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:23:08,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:23:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:23:08,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 237 [2023-09-01 05:23:08,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2023-09-01 05:23:08,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:08,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 237 [2023-09-01 05:23:08,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:09,047 INFO L130 PetriNetUnfolder]: 1137/1768 cut-off events. [2023-09-01 05:23:09,048 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-09-01 05:23:09,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 1768 events. 1137/1768 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8803 event pairs, 311 based on Foata normal form. 98/1385 useless extension candidates. Maximal degree in co-relation 3566. Up to 1443 conditions per place. [2023-09-01 05:23:09,060 INFO L137 encePairwiseOnDemand]: 226/237 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-09-01 05:23:09,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 187 flow [2023-09-01 05:23:09,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:23:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:23:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2023-09-01 05:23:09,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.530239099859353 [2023-09-01 05:23:09,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2023-09-01 05:23:09,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2023-09-01 05:23:09,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:09,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2023-09-01 05:23:09,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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) [2023-09-01 05:23:09,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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) [2023-09-01 05:23:09,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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) [2023-09-01 05:23:09,099 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 65 flow. Second operand 3 states and 377 transitions. [2023-09-01 05:23:09,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 187 flow [2023-09-01 05:23:09,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 44 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:23:09,106 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow [2023-09-01 05:23:09,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, 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} [2023-09-01 05:23:09,113 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-09-01 05:23:09,114 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow [2023-09-01 05:23:09,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2023-09-01 05:23:09,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:09,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:23:09,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:23:09,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:23:09,119 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash -928558855, now seen corresponding path program 1 times [2023-09-01 05:23:09,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:09,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936716039] [2023-09-01 05:23:09,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:23:09,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:09,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936716039] [2023-09-01 05:23:09,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936716039] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:09,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:09,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:23:09,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546479543] [2023-09-01 05:23:09,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:09,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:23:09,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:09,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:23:09,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:23:09,359 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 237 [2023-09-01 05:23:09,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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) [2023-09-01 05:23:09,360 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:09,360 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 237 [2023-09-01 05:23:09,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:09,629 INFO L130 PetriNetUnfolder]: 843/1302 cut-off events. [2023-09-01 05:23:09,630 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2023-09-01 05:23:09,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3225 conditions, 1302 events. 843/1302 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5956 event pairs, 239 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 3214. Up to 976 conditions per place. [2023-09-01 05:23:09,637 INFO L137 encePairwiseOnDemand]: 230/237 looper letters, 35 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-09-01 05:23:09,637 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 194 flow [2023-09-01 05:23:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:23:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:23:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 478 transitions. [2023-09-01 05:23:09,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5042194092827004 [2023-09-01 05:23:09,640 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 478 transitions. [2023-09-01 05:23:09,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 478 transitions. [2023-09-01 05:23:09,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:09,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 478 transitions. [2023-09-01 05:23:09,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 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) [2023-09-01 05:23:09,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 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) [2023-09-01 05:23:09,644 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 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) [2023-09-01 05:23:09,644 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 478 transitions. [2023-09-01 05:23:09,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 194 flow [2023-09-01 05:23:09,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:23:09,646 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow [2023-09-01 05:23:09,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, 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} [2023-09-01 05:23:09,647 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-09-01 05:23:09,647 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow [2023-09-01 05:23:09,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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) [2023-09-01 05:23:09,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:09,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:23:09,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:23:09,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:23:09,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash 184102426, now seen corresponding path program 1 times [2023-09-01 05:23:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620077193] [2023-09-01 05:23:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:23:09,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:09,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620077193] [2023-09-01 05:23:09,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620077193] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:09,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:09,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:23:09,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751870352] [2023-09-01 05:23:09,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:09,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:23:09,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:09,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:23:09,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:23:09,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 237 [2023-09-01 05:23:09,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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) [2023-09-01 05:23:09,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:09,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 237 [2023-09-01 05:23:09,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:10,000 INFO L130 PetriNetUnfolder]: 630/971 cut-off events. [2023-09-01 05:23:10,000 INFO L131 PetriNetUnfolder]: For 374/374 co-relation queries the response was YES. [2023-09-01 05:23:10,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2388 conditions, 971 events. 630/971 cut-off events. For 374/374 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4158 event pairs, 197 based on Foata normal form. 0/899 useless extension candidates. Maximal degree in co-relation 2376. Up to 417 conditions per place. [2023-09-01 05:23:10,006 INFO L137 encePairwiseOnDemand]: 230/237 looper letters, 44 selfloop transitions, 7 changer transitions 3/56 dead transitions. [2023-09-01 05:23:10,006 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 56 transitions, 266 flow [2023-09-01 05:23:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:23:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:23:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 493 transitions. [2023-09-01 05:23:10,008 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.520042194092827 [2023-09-01 05:23:10,008 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 493 transitions. [2023-09-01 05:23:10,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 493 transitions. [2023-09-01 05:23:10,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:10,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 493 transitions. [2023-09-01 05:23:10,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 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) [2023-09-01 05:23:10,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 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) [2023-09-01 05:23:10,013 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 237.0) internal successors, (1185), 5 states have internal predecessors, (1185), 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) [2023-09-01 05:23:10,013 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 493 transitions. [2023-09-01 05:23:10,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 56 transitions, 266 flow [2023-09-01 05:23:10,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 56 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 05:23:10,016 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow [2023-09-01 05:23:10,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, 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} [2023-09-01 05:23:10,018 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-09-01 05:23:10,020 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow [2023-09-01 05:23:10,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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) [2023-09-01 05:23:10,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:10,021 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:23:10,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:23:10,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:23:10,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash -623236554, now seen corresponding path program 1 times [2023-09-01 05:23:10,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:10,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561548219] [2023-09-01 05:23:10,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:10,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:23:10,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:10,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561548219] [2023-09-01 05:23:10,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561548219] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:10,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:10,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:23:10,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020781106] [2023-09-01 05:23:10,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:10,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:23:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:10,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:23:10,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:23:10,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 237 [2023-09-01 05:23:10,153 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 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) [2023-09-01 05:23:10,153 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:10,153 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 237 [2023-09-01 05:23:10,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:10,377 INFO L130 PetriNetUnfolder]: 598/915 cut-off events. [2023-09-01 05:23:10,377 INFO L131 PetriNetUnfolder]: For 768/768 co-relation queries the response was YES. [2023-09-01 05:23:10,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2579 conditions, 915 events. 598/915 cut-off events. For 768/768 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3894 event pairs, 197 based on Foata normal form. 18/883 useless extension candidates. Maximal degree in co-relation 2566. Up to 417 conditions per place. [2023-09-01 05:23:10,380 INFO L137 encePairwiseOnDemand]: 230/237 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-09-01 05:23:10,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 245 flow [2023-09-01 05:23:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:23:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:23:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 596 transitions. [2023-09-01 05:23:10,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5029535864978903 [2023-09-01 05:23:10,383 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 596 transitions. [2023-09-01 05:23:10,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 596 transitions. [2023-09-01 05:23:10,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:10,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 596 transitions. [2023-09-01 05:23:10,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 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) [2023-09-01 05:23:10,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 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) [2023-09-01 05:23:10,388 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 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) [2023-09-01 05:23:10,388 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 596 transitions. [2023-09-01 05:23:10,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 245 flow [2023-09-01 05:23:10,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 50 transitions, 221 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-09-01 05:23:10,391 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-09-01 05:23:10,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, 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} [2023-09-01 05:23:10,392 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-09-01 05:23:10,392 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-09-01 05:23:10,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 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) [2023-09-01 05:23:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-09-01 05:23:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-09-01 05:23:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-09-01 05:23:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-09-01 05:23:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-09-01 05:23:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-09-01 05:23:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-09-01 05:23:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-09-01 05:23:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-09-01 05:23:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-09-01 05:23:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-09-01 05:23:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-09-01 05:23:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-09-01 05:23:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-09-01 05:23:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-09-01 05:23:10,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:23:10,399 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-01 05:23:10,404 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:23:10,404 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:23:10,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:23:10 BasicIcfg [2023-09-01 05:23:10,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:23:10,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:23:10,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:23:10,409 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:23:10,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:23:02" (3/4) ... [2023-09-01 05:23:10,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:23:10,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-09-01 05:23:10,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-09-01 05:23:10,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-09-01 05:23:10,420 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-09-01 05:23:10,421 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-09-01 05:23:10,421 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:23:10,421 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:23:10,464 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:23:10,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:23:10,465 INFO L158 Benchmark]: Toolchain (without parser) took 10199.41ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 64.5MB in the beginning and 91.1MB in the end (delta: -26.6MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,465 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:23:10,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.26ms. Allocated memory is still 86.0MB. Free memory was 64.5MB in the beginning and 62.1MB in the end (delta: 2.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.51ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,467 INFO L158 Benchmark]: Boogie Preprocessor took 38.72ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,467 INFO L158 Benchmark]: RCFGBuilder took 1031.64ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 51.5MB in the end (delta: 6.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,468 INFO L158 Benchmark]: TraceAbstraction took 8362.04ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 51.0MB in the beginning and 94.3MB in the end (delta: -43.3MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,468 INFO L158 Benchmark]: Witness Printer took 56.16ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 91.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:23:10,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.26ms. Allocated memory is still 86.0MB. Free memory was 64.5MB in the beginning and 62.1MB in the end (delta: 2.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.51ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.72ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1031.64ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 51.5MB in the end (delta: 6.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8362.04ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 51.0MB in the beginning and 94.3MB in the end (delta: -43.3MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Witness Printer took 56.16ms. Allocated memory is still 151.0MB. Free memory was 94.3MB in the beginning and 91.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 135 PlacesBefore, 37 PlacesAfterwards, 127 TransitionsBefore, 28 TransitionsAfterwards, 2166 CoEnabledTransitionPairs, 8 FixpointIterations, 58 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 107 TotalNumberOfCompositions, 8357 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2607, independent: 2299, independent conditional: 0, independent unconditional: 2299, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1121, independent: 1073, independent conditional: 0, independent unconditional: 1073, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2607, independent: 1226, independent conditional: 0, independent unconditional: 1226, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 1121, unknown conditional: 0, unknown unconditional: 1121] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 817]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 817]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: 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, 160 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: 8.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 5 mSDtfsCounter, 255 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, 0.1s 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 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! [2023-09-01 05:23:10,500 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