./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe004_power.opt_pso.opt_rmo.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/safe004_power.opt_pso.opt_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 --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 05:23:33,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:23:33,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:23:33,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:23:33,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:23:33,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:23:33,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:23:33,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:23:33,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:23:33,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:23:33,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:23:33,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:23:33,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:23:33,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:23:33,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:23:33,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:23:33,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:23:33,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:23:33,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:23:33,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:23:33,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:23:33,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:23:33,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:23:33,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:23:33,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:23:33,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:23:33,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:23:33,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:23:33,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:23:33,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:23:33,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:23:33,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:23:33,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:23:33,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:23:33,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:23:33,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:23:33,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:23:33,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:23:33,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:23:33,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:23:33,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:23:33,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:23:33,440 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:23:33,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:23:33,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:23:33,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:23:33,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:23:33,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:23:33,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:23:33,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:23:33,444 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:23:33,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:23:33,445 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:23:33,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:23:33,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:23:33,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:23:33,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:23:33,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:23:33,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:23:33,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:23:33,446 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:23:33,446 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:23:33,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:23:33,447 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:23:33,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:23:33,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:23:33,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:23:33,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:23:33,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:23:33,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:23:33,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:23:33,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:23:33,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:23:33,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:23:33,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:23:33,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:23:33,449 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:23:33,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:23:33,450 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:23:33,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:23:33,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:23:33,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:23:33,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:23:33,764 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:23:33,764 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:23:33,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2023-09-01 05:23:35,015 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:23:35,247 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:23:35,248 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2023-09-01 05:23:35,261 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35dc12d17/6f26f5602d5d43c090a8fc3fb1ad2a94/FLAG307bd9f3e [2023-09-01 05:23:35,296 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35dc12d17/6f26f5602d5d43c090a8fc3fb1ad2a94 [2023-09-01 05:23:35,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:23:35,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:23:35,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:23:35,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:23:35,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:23:35,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:35,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f4e680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35, skipping insertion in model container [2023-09-01 05:23:35,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:35,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:23:35,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:23:35,542 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/safe004_power.opt_pso.opt_rmo.opt.i[967,980] [2023-09-01 05:23:35,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:23:35,780 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:23:35,790 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/safe004_power.opt_pso.opt_rmo.opt.i[967,980] [2023-09-01 05:23:35,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:23:35,889 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:23:35,890 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:23:35,896 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:23:35,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35 WrapperNode [2023-09-01 05:23:35,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:23:35,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:23:35,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:23:35,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:23:35,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:35,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:35,966 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2023-09-01 05:23:35,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:23:35,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:23:35,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:23:35,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:23:35,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:35,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,021 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:23:36,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:23:36,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:23:36,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:23:36,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (1/1) ... [2023-09-01 05:23:36,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:23:36,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:23:36,073 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 05:23:36,081 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 05:23:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:23:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:23:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:23:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:23:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:23:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-01 05:23:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-01 05:23:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-01 05:23:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-01 05:23:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-01 05:23:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-01 05:23:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:23:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:23:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:23:36,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:23:36,113 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 05:23:36,248 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:23:36,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:23:36,592 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:23:36,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:23:36,777 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:23:36,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:23:36 BoogieIcfgContainer [2023-09-01 05:23:36,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:23:36,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:23:36,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:23:36,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:23:36,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:23:35" (1/3) ... [2023-09-01 05:23:36,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a12092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:23:36, skipping insertion in model container [2023-09-01 05:23:36,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:23:35" (2/3) ... [2023-09-01 05:23:36,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a12092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:23:36, skipping insertion in model container [2023-09-01 05:23:36,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:23:36" (3/3) ... [2023-09-01 05:23:36,787 INFO L112 eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i [2023-09-01 05:23:36,794 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:23:36,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:23:36,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-01 05:23:36,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:23:36,882 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-01 05:23:36,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2023-09-01 05:23:36,980 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-09-01 05:23:36,981 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:23:36,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-09-01 05:23:36,986 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 111 transitions, 237 flow [2023-09-01 05:23:36,990 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 108 transitions, 225 flow [2023-09-01 05:23:36,995 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:23:37,016 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 108 transitions, 225 flow [2023-09-01 05:23:37,019 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 108 transitions, 225 flow [2023-09-01 05:23:37,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 108 transitions, 225 flow [2023-09-01 05:23:37,057 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-09-01 05:23:37,058 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:23:37,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-09-01 05:23:37,061 INFO L119 LiptonReduction]: Number of co-enabled transitions 2376 [2023-09-01 05:23:40,750 INFO L134 LiptonReduction]: Checked pairs total: 7373 [2023-09-01 05:23:40,751 INFO L136 LiptonReduction]: Total number of compositions: 89 [2023-09-01 05:23:40,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:23:40,768 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;@151774c1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:23:40,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-01 05:23:40,771 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-09-01 05:23:40,772 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:23:40,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:40,772 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-09-01 05:23:40,773 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 05:23:40,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:40,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1704274162, now seen corresponding path program 1 times [2023-09-01 05:23:40,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:40,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200489526] [2023-09-01 05:23:40,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:41,058 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 05:23:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200489526] [2023-09-01 05:23:41,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200489526] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:41,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:41,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:23:41,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595250595] [2023-09-01 05:23:41,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:23:41,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:41,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:23:41,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:23:41,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-09-01 05:23:41,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:41,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:41,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-09-01 05:23:41,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:41,386 INFO L130 PetriNetUnfolder]: 929/1463 cut-off events. [2023-09-01 05:23:41,386 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-09-01 05:23:41,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2968 conditions, 1463 events. 929/1463 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6986 event pairs, 294 based on Foata normal form. 0/1177 useless extension candidates. Maximal degree in co-relation 2957. Up to 1100 conditions per place. [2023-09-01 05:23:41,398 INFO L137 encePairwiseOnDemand]: 190/200 looper letters, 36 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2023-09-01 05:23:41,398 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 181 flow [2023-09-01 05:23:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:23:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:23:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2023-09-01 05:23:41,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5216666666666666 [2023-09-01 05:23:41,441 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 313 transitions. [2023-09-01 05:23:41,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 313 transitions. [2023-09-01 05:23:41,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:41,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 313 transitions. [2023-09-01 05:23:41,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 05:23:41,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:41,480 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:41,482 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 63 flow. Second operand 3 states and 313 transitions. [2023-09-01 05:23:41,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 181 flow [2023-09-01 05:23:41,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:23:41,487 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow [2023-09-01 05:23:41,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, 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 05:23:41,491 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-09-01 05:23:41,492 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow [2023-09-01 05:23:41,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:41,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:41,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:23:41,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:23:41,498 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 05:23:41,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash 628924245, now seen corresponding path program 1 times [2023-09-01 05:23:41,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:41,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822497297] [2023-09-01 05:23:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:41,646 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 05:23:41,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:41,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822497297] [2023-09-01 05:23:41,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822497297] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:41,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:41,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:23:41,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585913105] [2023-09-01 05:23:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:41,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:23:41,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:23:41,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:23:41,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-09-01 05:23:41,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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 05:23:41,662 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:41,662 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-09-01 05:23:41,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:41,880 INFO L130 PetriNetUnfolder]: 727/1137 cut-off events. [2023-09-01 05:23:41,881 INFO L131 PetriNetUnfolder]: For 109/109 co-relation queries the response was YES. [2023-09-01 05:23:41,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 1137 events. 727/1137 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5192 event pairs, 246 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 2769. Up to 773 conditions per place. [2023-09-01 05:23:41,888 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 33 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-09-01 05:23:41,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 40 transitions, 188 flow [2023-09-01 05:23:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:23:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:23:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 396 transitions. [2023-09-01 05:23:41,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.495 [2023-09-01 05:23:41,892 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 396 transitions. [2023-09-01 05:23:41,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 396 transitions. [2023-09-01 05:23:41,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:41,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 396 transitions. [2023-09-01 05:23:41,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 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 05:23:41,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:41,897 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:41,897 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 396 transitions. [2023-09-01 05:23:41,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 40 transitions, 188 flow [2023-09-01 05:23:41,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:23:41,898 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow [2023-09-01 05:23:41,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, 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 05:23:41,899 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-09-01 05:23:41,900 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow [2023-09-01 05:23:41,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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 05:23:41,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:41,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:23:41,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:23:41,901 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 05:23:41,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:41,901 INFO L85 PathProgramCache]: Analyzing trace with hash 628924246, now seen corresponding path program 1 times [2023-09-01 05:23:41,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:41,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778765750] [2023-09-01 05:23:41,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:41,971 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 05:23:41,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:41,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778765750] [2023-09-01 05:23:41,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778765750] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:41,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:41,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:23:41,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971236201] [2023-09-01 05:23:41,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:41,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:23:41,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:41,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:23:41,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:23:41,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-09-01 05:23:41,980 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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 05:23:41,980 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:41,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-09-01 05:23:41,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:42,183 INFO L130 PetriNetUnfolder]: 576/898 cut-off events. [2023-09-01 05:23:42,184 INFO L131 PetriNetUnfolder]: For 340/340 co-relation queries the response was YES. [2023-09-01 05:23:42,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2175 conditions, 898 events. 576/898 cut-off events. For 340/340 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3979 event pairs, 218 based on Foata normal form. 0/872 useless extension candidates. Maximal degree in co-relation 2163. Up to 369 conditions per place. [2023-09-01 05:23:42,190 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 41 selfloop transitions, 7 changer transitions 3/54 dead transitions. [2023-09-01 05:23:42,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 256 flow [2023-09-01 05:23:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:23:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:23:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 410 transitions. [2023-09-01 05:23:42,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5125 [2023-09-01 05:23:42,192 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 410 transitions. [2023-09-01 05:23:42,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 410 transitions. [2023-09-01 05:23:42,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:42,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 410 transitions. [2023-09-01 05:23:42,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 05:23:42,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:42,197 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:42,197 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 410 transitions. [2023-09-01 05:23:42,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 256 flow [2023-09-01 05:23:42,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 54 transitions, 251 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 05:23:42,200 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow [2023-09-01 05:23:42,200 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, 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 05:23:42,201 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-09-01 05:23:42,204 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow [2023-09-01 05:23:42,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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 05:23:42,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:23:42,205 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 05:23:42,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:23:42,205 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 05:23:42,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:23:42,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1523535544, now seen corresponding path program 1 times [2023-09-01 05:23:42,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:23:42,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359824478] [2023-09-01 05:23:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:23:42,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:23:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:23:42,354 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 05:23:42,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:23:42,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359824478] [2023-09-01 05:23:42,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359824478] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:23:42,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:23:42,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:23:42,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291819206] [2023-09-01 05:23:42,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:23:42,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:23:42,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:23:42,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:23:42,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:23:42,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 200 [2023-09-01 05:23:42,364 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 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 05:23:42,364 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:23:42,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 200 [2023-09-01 05:23:42,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:23:42,557 INFO L130 PetriNetUnfolder]: 556/862 cut-off events. [2023-09-01 05:23:42,557 INFO L131 PetriNetUnfolder]: For 693/693 co-relation queries the response was YES. [2023-09-01 05:23:42,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 862 events. 556/862 cut-off events. For 693/693 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3823 event pairs, 218 based on Foata normal form. 12/860 useless extension candidates. Maximal degree in co-relation 2341. Up to 369 conditions per place. [2023-09-01 05:23:42,561 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2023-09-01 05:23:42,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 235 flow [2023-09-01 05:23:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:23:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:23:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 493 transitions. [2023-09-01 05:23:42,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.493 [2023-09-01 05:23:42,567 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 493 transitions. [2023-09-01 05:23:42,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 493 transitions. [2023-09-01 05:23:42,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:23:42,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 493 transitions. [2023-09-01 05:23:42,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 98.6) internal successors, (493), 5 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 05:23:42,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:42,571 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:23:42,571 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 493 transitions. [2023-09-01 05:23:42,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 235 flow [2023-09-01 05:23:42,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 48 transitions, 211 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-09-01 05:23:42,576 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-09-01 05:23:42,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, 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 05:23:42,577 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-09-01 05:23:42,578 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-09-01 05:23:42,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 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 05:23:42,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-09-01 05:23:42,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-09-01 05:23:42,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-09-01 05:23:42,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-09-01 05:23:42,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-09-01 05:23:42,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-09-01 05:23:42,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-09-01 05:23:42,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-09-01 05:23:42,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-09-01 05:23:42,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-09-01 05:23:42,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-09-01 05:23:42,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-09-01 05:23:42,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-09-01 05:23:42,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-09-01 05:23:42,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-09-01 05:23:42,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:23:42,585 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-01 05:23:42,591 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:23:42,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:23:42,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:23:42 BasicIcfg [2023-09-01 05:23:42,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:23:42,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:23:42,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:23:42,599 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:23:42,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:23:36" (3/4) ... [2023-09-01 05:23:42,601 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:23:42,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-09-01 05:23:42,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-09-01 05:23:42,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-09-01 05:23:42,611 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-09-01 05:23:42,614 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-09-01 05:23:42,614 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:23:42,614 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:23:42,661 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:23:42,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:23:42,663 INFO L158 Benchmark]: Toolchain (without parser) took 7364.52ms. Allocated memory was 75.5MB in the beginning and 188.7MB in the end (delta: 113.2MB). Free memory was 56.8MB in the beginning and 161.1MB in the end (delta: -104.3MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,664 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:23:42,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.25ms. Allocated memory is still 75.5MB. Free memory was 56.8MB in the beginning and 33.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.13ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 31.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,664 INFO L158 Benchmark]: Boogie Preprocessor took 52.64ms. Allocated memory is still 75.5MB. Free memory was 31.1MB in the beginning and 29.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,665 INFO L158 Benchmark]: RCFGBuilder took 750.55ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 29.0MB in the beginning and 49.4MB in the end (delta: -20.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,665 INFO L158 Benchmark]: TraceAbstraction took 5817.13ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 48.3MB in the beginning and 40.6MB in the end (delta: 7.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,665 INFO L158 Benchmark]: Witness Printer took 64.07ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 39.6MB in the beginning and 161.1MB in the end (delta: -121.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:23:42,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.25ms. Allocated memory is still 75.5MB. Free memory was 56.8MB in the beginning and 33.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.13ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 31.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.64ms. Allocated memory is still 75.5MB. Free memory was 31.1MB in the beginning and 29.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.55ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 29.0MB in the beginning and 49.4MB in the end (delta: -20.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5817.13ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 48.3MB in the beginning and 40.6MB in the end (delta: 7.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Witness Printer took 64.07ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 39.6MB in the beginning and 161.1MB in the end (delta: -121.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 116 PlacesBefore, 37 PlacesAfterwards, 108 TransitionsBefore, 27 TransitionsAfterwards, 2376 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 7373 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3126, independent: 2898, independent conditional: 0, independent unconditional: 2898, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1245, independent: 1189, independent conditional: 0, independent unconditional: 1189, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3126, independent: 1709, independent conditional: 0, independent unconditional: 1709, dependent: 172, dependent conditional: 0, dependent unconditional: 172, unknown: 1245, unknown conditional: 0, unknown unconditional: 1245] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 94, Positive conditional cache size: 0, Positive unconditional cache size: 94, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: 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, 143 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: 5.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 5 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 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 05:23:42,696 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