./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.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/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80bd490b89eb696c85e417e2f0348670cfb7c8195637276a01d1016d9277f95a --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 05:12:09,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:12:09,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:12:09,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:12:09,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:12:09,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:12:09,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:12:09,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:12:09,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:12:09,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:12:09,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:12:09,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:12:09,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:12:09,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:12:09,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:12:09,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:12:09,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:12:09,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:12:09,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:12:09,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:12:09,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:12:09,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:12:09,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:12:09,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:12:09,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:12:09,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:12:09,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:12:09,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:12:09,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:12:09,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:12:09,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:12:09,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:12:09,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:12:09,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:12:09,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:12:09,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:12:09,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:12:09,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:12:09,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:12:09,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:12:09,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:12:09,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:12:09,429 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:12:09,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:12:09,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:12:09,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:12:09,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:12:09,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:12:09,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:12:09,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:12:09,433 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:12:09,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:12:09,434 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:12:09,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:12:09,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:12:09,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:12:09,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:12:09,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:12:09,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:12:09,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:12:09,436 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:12:09,436 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:12:09,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:12:09,436 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:12:09,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:12:09,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:12:09,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:12:09,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:12:09,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:12:09,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:12:09,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:12:09,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:12:09,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:12:09,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:12:09,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:12:09,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:12:09,439 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:12:09,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:12:09,439 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:12:09,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80bd490b89eb696c85e417e2f0348670cfb7c8195637276a01d1016d9277f95a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:12:09,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:12:09,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:12:09,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:12:09,783 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:12:09,784 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:12:09,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2023-09-01 05:12:11,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:12:11,323 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:12:11,329 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2023-09-01 05:12:11,351 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232b92a32/99a82468cd934276a6d09aaa5099d97f/FLAGd71a7a838 [2023-09-01 05:12:11,366 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232b92a32/99a82468cd934276a6d09aaa5099d97f [2023-09-01 05:12:11,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:12:11,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:12:11,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:12:11,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:12:11,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:12:11,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:11,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e19a54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11, skipping insertion in model container [2023-09-01 05:12:11,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:11,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:12:11,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:12:11,606 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/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2023-09-01 05:12:11,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:12:11,840 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:12:11,855 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/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2023-09-01 05:12:11,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:12:11,970 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:12:11,970 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:12:11,976 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:12:11,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11 WrapperNode [2023-09-01 05:12:11,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:12:11,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:12:11,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:12:11,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:12:11,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,046 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2023-09-01 05:12:12,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:12:12,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:12:12,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:12:12,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:12:12,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:12:12,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:12:12,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:12:12,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:12:12,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (1/1) ... [2023-09-01 05:12:12,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:12:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:12:12,130 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 05:12:12,152 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 05:12:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:12:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:12:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:12:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:12:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:12:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-01 05:12:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-01 05:12:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-01 05:12:12,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-01 05:12:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-01 05:12:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-01 05:12:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:12:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:12:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:12:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:12:12,183 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 05:12:12,323 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:12:12,326 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:12:12,717 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:12:12,858 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:12:12,859 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:12:12,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:12:12 BoogieIcfgContainer [2023-09-01 05:12:12,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:12:12,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:12:12,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:12:12,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:12:12,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:12:11" (1/3) ... [2023-09-01 05:12:12,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16088843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:12:12, skipping insertion in model container [2023-09-01 05:12:12,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:11" (2/3) ... [2023-09-01 05:12:12,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16088843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:12:12, skipping insertion in model container [2023-09-01 05:12:12,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:12:12" (3/3) ... [2023-09-01 05:12:12,877 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2023-09-01 05:12:12,885 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:12:12,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:12:12,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-01 05:12:12,894 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:12:12,948 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-01 05:12:12,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 115 transitions, 245 flow [2023-09-01 05:12:13,053 INFO L130 PetriNetUnfolder]: 2/112 cut-off events. [2023-09-01 05:12:13,054 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:12:13,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-09-01 05:12:13,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 115 transitions, 245 flow [2023-09-01 05:12:13,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 112 transitions, 233 flow [2023-09-01 05:12:13,069 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:12:13,088 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 112 transitions, 233 flow [2023-09-01 05:12:13,094 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 112 transitions, 233 flow [2023-09-01 05:12:13,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 112 transitions, 233 flow [2023-09-01 05:12:13,119 INFO L130 PetriNetUnfolder]: 2/112 cut-off events. [2023-09-01 05:12:13,120 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:12:13,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-09-01 05:12:13,124 INFO L119 LiptonReduction]: Number of co-enabled transitions 2346 [2023-09-01 05:12:16,640 INFO L134 LiptonReduction]: Checked pairs total: 7795 [2023-09-01 05:12:16,640 INFO L136 LiptonReduction]: Total number of compositions: 91 [2023-09-01 05:12:16,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:12:16,659 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;@2f44ee92, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:12:16,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-01 05:12:16,663 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-09-01 05:12:16,663 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:12:16,663 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:12:16,664 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:12:16,665 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 05:12:16,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:12:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash 497222766, now seen corresponding path program 1 times [2023-09-01 05:12:16,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:12:16,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062979541] [2023-09-01 05:12:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:12:16,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:12:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:12:16,950 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 05:12:16,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:12:16,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062979541] [2023-09-01 05:12:16,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062979541] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:12:16,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:12:16,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:12:16,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539657531] [2023-09-01 05:12:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:12:16,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:12:16,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:12:16,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:12:16,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:12:16,990 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:12:16,993 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 05:12:16,993 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:12:16,993 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:12:16,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:12:17,290 INFO L130 PetriNetUnfolder]: 1055/1699 cut-off events. [2023-09-01 05:12:17,290 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-09-01 05:12:17,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3426 conditions, 1699 events. 1055/1699 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8851 event pairs, 455 based on Foata normal form. 114/1316 useless extension candidates. Maximal degree in co-relation 3415. Up to 1533 conditions per place. [2023-09-01 05:12:17,308 INFO L137 encePairwiseOnDemand]: 194/206 looper letters, 36 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2023-09-01 05:12:17,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 43 transitions, 181 flow [2023-09-01 05:12:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:12:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:12:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2023-09-01 05:12:17,327 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5355987055016181 [2023-09-01 05:12:17,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2023-09-01 05:12:17,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2023-09-01 05:12:17,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:12:17,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2023-09-01 05:12:17,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 05:12:17,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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 05:12:17,345 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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 05:12:17,347 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 69 flow. Second operand 3 states and 331 transitions. [2023-09-01 05:12:17,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 43 transitions, 181 flow [2023-09-01 05:12:17,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:12:17,352 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 102 flow [2023-09-01 05:12:17,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=39, PETRI_TRANSITIONS=32} [2023-09-01 05:12:17,359 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2023-09-01 05:12:17,360 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 102 flow [2023-09-01 05:12:17,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 05:12:17,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:12:17,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:12:17,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:12:17,364 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 05:12:17,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:12:17,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1202004942, now seen corresponding path program 1 times [2023-09-01 05:12:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:12:17,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877739251] [2023-09-01 05:12:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:12:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:12:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:12:17,526 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 05:12:17,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:12:17,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877739251] [2023-09-01 05:12:17,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877739251] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:12:17,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:12:17,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:12:17,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319936771] [2023-09-01 05:12:17,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:12:17,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:12:17,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:12:17,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:12:17,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:12:17,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:12:17,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 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 05:12:17,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:12:17,541 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:12:17,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:12:17,732 INFO L130 PetriNetUnfolder]: 739/1199 cut-off events. [2023-09-01 05:12:17,732 INFO L131 PetriNetUnfolder]: For 114/114 co-relation queries the response was YES. [2023-09-01 05:12:17,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2942 conditions, 1199 events. 739/1199 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5713 event pairs, 263 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 2931. Up to 1032 conditions per place. [2023-09-01 05:12:17,740 INFO L137 encePairwiseOnDemand]: 199/206 looper letters, 33 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-09-01 05:12:17,740 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 190 flow [2023-09-01 05:12:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:12:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:12:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 416 transitions. [2023-09-01 05:12:17,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5048543689320388 [2023-09-01 05:12:17,742 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 416 transitions. [2023-09-01 05:12:17,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 416 transitions. [2023-09-01 05:12:17,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:12:17,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 416 transitions. [2023-09-01 05:12:17,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:12:17,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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 05:12:17,748 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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 05:12:17,748 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 102 flow. Second operand 4 states and 416 transitions. [2023-09-01 05:12:17,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 190 flow [2023-09-01 05:12:17,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 40 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:12:17,751 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 94 flow [2023-09-01 05:12:17,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2023-09-01 05:12:17,752 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2023-09-01 05:12:17,752 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 94 flow [2023-09-01 05:12:17,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 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 05:12:17,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:12:17,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:12:17,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:12:17,753 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 05:12:17,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:12:17,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1202004943, now seen corresponding path program 1 times [2023-09-01 05:12:17,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:12:17,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609373558] [2023-09-01 05:12:17,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:12:17,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:12:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:12:17,832 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 05:12:17,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:12:17,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609373558] [2023-09-01 05:12:17,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609373558] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:12:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:12:17,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:12:17,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046681178] [2023-09-01 05:12:17,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:12:17,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:12:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:12:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:12:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:12:17,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:12:17,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 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 05:12:17,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:12:17,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:12:17,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:12:17,960 INFO L130 PetriNetUnfolder]: 296/522 cut-off events. [2023-09-01 05:12:17,960 INFO L131 PetriNetUnfolder]: For 169/169 co-relation queries the response was YES. [2023-09-01 05:12:17,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 522 events. 296/522 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2101 event pairs, 101 based on Foata normal form. 26/527 useless extension candidates. Maximal degree in co-relation 1270. Up to 180 conditions per place. [2023-09-01 05:12:17,964 INFO L137 encePairwiseOnDemand]: 198/206 looper letters, 39 selfloop transitions, 7 changer transitions 3/52 dead transitions. [2023-09-01 05:12:17,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 52 transitions, 250 flow [2023-09-01 05:12:17,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:12:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:12:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2023-09-01 05:12:17,965 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5206310679611651 [2023-09-01 05:12:17,965 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2023-09-01 05:12:17,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2023-09-01 05:12:17,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:12:17,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2023-09-01 05:12:17,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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 05:12:17,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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 05:12:17,969 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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 05:12:17,969 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 94 flow. Second operand 4 states and 429 transitions. [2023-09-01 05:12:17,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 52 transitions, 250 flow [2023-09-01 05:12:17,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 52 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 05:12:17,971 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 117 flow [2023-09-01 05:12:17,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=117, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2023-09-01 05:12:17,972 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2023-09-01 05:12:17,972 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 117 flow [2023-09-01 05:12:17,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 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 05:12:17,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:12:17,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:12:17,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:12:17,973 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 05:12:17,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:12:17,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1276073248, now seen corresponding path program 1 times [2023-09-01 05:12:17,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:12:17,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341942197] [2023-09-01 05:12:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:12:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:12:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:12:18,086 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 05:12:18,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:12:18,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341942197] [2023-09-01 05:12:18,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341942197] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:12:18,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:12:18,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:12:18,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752718137] [2023-09-01 05:12:18,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:12:18,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:12:18,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:12:18,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:12:18,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:12:18,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:12:18,097 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 05:12:18,097 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:12:18,097 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:12:18,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:12:18,201 INFO L130 PetriNetUnfolder]: 240/406 cut-off events. [2023-09-01 05:12:18,201 INFO L131 PetriNetUnfolder]: For 336/336 co-relation queries the response was YES. [2023-09-01 05:12:18,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 406 events. 240/406 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1590 event pairs, 85 based on Foata normal form. 15/418 useless extension candidates. Maximal degree in co-relation 1133. Up to 176 conditions per place. [2023-09-01 05:12:18,202 INFO L137 encePairwiseOnDemand]: 198/206 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2023-09-01 05:12:18,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 42 transitions, 211 flow [2023-09-01 05:12:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:12:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:12:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 513 transitions. [2023-09-01 05:12:18,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4980582524271845 [2023-09-01 05:12:18,205 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 513 transitions. [2023-09-01 05:12:18,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 513 transitions. [2023-09-01 05:12:18,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:12:18,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 513 transitions. [2023-09-01 05:12:18,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 102.6) internal successors, (513), 5 states have internal predecessors, (513), 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 05:12:18,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 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 05:12:18,208 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 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 05:12:18,209 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 117 flow. Second operand 5 states and 513 transitions. [2023-09-01 05:12:18,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 42 transitions, 211 flow [2023-09-01 05:12:18,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 42 transitions, 187 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-09-01 05:12:18,210 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-09-01 05:12:18,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-09-01 05:12:18,211 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -6 predicate places. [2023-09-01 05:12:18,211 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-09-01 05:12:18,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.0) internal successors, (485), 5 states have internal predecessors, (485), 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 05:12:18,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-09-01 05:12:18,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-09-01 05:12:18,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-09-01 05:12:18,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-09-01 05:12:18,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-09-01 05:12:18,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-09-01 05:12:18,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-09-01 05:12:18,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-09-01 05:12:18,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:12:18,216 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-01 05:12:18,220 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:12:18,221 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:12:18,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:12:18 BasicIcfg [2023-09-01 05:12:18,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:12:18,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:12:18,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:12:18,224 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:12:18,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:12:12" (3/4) ... [2023-09-01 05:12:18,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:12:18,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-09-01 05:12:18,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-09-01 05:12:18,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-09-01 05:12:18,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-09-01 05:12:18,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-09-01 05:12:18,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:12:18,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:12:18,265 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:12:18,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:12:18,266 INFO L158 Benchmark]: Toolchain (without parser) took 6894.55ms. Allocated memory was 73.4MB in the beginning and 130.0MB in the end (delta: 56.6MB). Free memory was 49.1MB in the beginning and 60.8MB in the end (delta: -11.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,266 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:12:18,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.73ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 43.9MB in the end (delta: 5.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.06ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,267 INFO L158 Benchmark]: Boogie Preprocessor took 34.48ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 39.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,267 INFO L158 Benchmark]: RCFGBuilder took 779.17ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 38.9MB in the beginning and 35.1MB in the end (delta: 3.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,267 INFO L158 Benchmark]: TraceAbstraction took 5353.18ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 64.2MB in the beginning and 63.9MB in the end (delta: 242.6kB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,268 INFO L158 Benchmark]: Witness Printer took 40.85ms. Allocated memory is still 130.0MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:12:18,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.73ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 43.9MB in the end (delta: 5.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.06ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.48ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 39.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.17ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 38.9MB in the beginning and 35.1MB in the end (delta: 3.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5353.18ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 64.2MB in the beginning and 63.9MB in the end (delta: 242.6kB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Witness Printer took 40.85ms. Allocated memory is still 130.0MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 120 PlacesBefore, 39 PlacesAfterwards, 112 TransitionsBefore, 30 TransitionsAfterwards, 2346 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 91 TotalNumberOfCompositions, 7795 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3272, independent: 3026, independent conditional: 0, independent unconditional: 3026, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1252, independent: 1212, independent conditional: 0, independent unconditional: 1212, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3272, independent: 1814, independent conditional: 0, independent unconditional: 1814, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 1252, unknown conditional: 0, unknown unconditional: 1252] , Statistics on independence cache: Total cache size (in pairs): 152, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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, 147 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: 5.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 10 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=117occurred 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, 0.4s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 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 05:12:18,286 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