./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.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/safe012_tso.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 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd --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 05:24:23,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:24:23,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:24:23,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:24:23,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:24:23,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:24:23,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:24:23,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:24:23,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:24:23,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:24:23,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:24:23,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:24:23,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:24:23,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:24:23,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:24:23,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:24:23,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:24:23,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:24:23,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:24:23,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:24:23,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:24:23,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:24:23,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:24:23,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:24:23,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:24:23,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:24:23,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:24:23,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:24:23,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:24:23,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:24:23,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:24:23,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:24:23,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:24:23,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:24:23,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:24:23,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:24:23,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:24:23,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:24:23,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:24:23,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:24:23,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:24:23,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:24:24,015 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:24:24,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:24:24,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:24:24,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:24:24,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:24:24,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:24:24,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:24:24,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:24:24,018 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:24:24,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:24:24,019 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:24:24,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:24:24,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:24:24,020 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:24:24,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:24:24,021 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:24:24,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:24:24,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:24:24,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:24:24,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:24:24,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:24:24,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:24:24,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:24:24,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:24:24,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:24:24,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:24:24,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:24:24,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:24:24,023 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:24:24,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:24:24,023 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:24:24,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:24:24,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:24:24,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:24:24,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:24:24,321 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:24:24,321 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:24:24,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2023-09-01 05:24:25,523 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:24:25,742 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:24:25,742 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2023-09-01 05:24:25,754 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d34ff0b4/7f65b302155e4056b04a2f786837b6bf/FLAGc7eee0438 [2023-09-01 05:24:25,770 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d34ff0b4/7f65b302155e4056b04a2f786837b6bf [2023-09-01 05:24:25,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:24:25,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:24:25,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:24:25,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:24:25,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:24:25,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:24:25" (1/1) ... [2023-09-01 05:24:25,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b5944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:25, skipping insertion in model container [2023-09-01 05:24:25,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:24:25" (1/1) ... [2023-09-01 05:24:25,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:24:25,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:24:25,972 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/safe012_tso.i[945,958] [2023-09-01 05:24:26,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:24:26,120 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:24:26,130 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/safe012_tso.i[945,958] [2023-09-01 05:24:26,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:24:26,188 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:24:26,188 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:24:26,193 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:24:26,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26 WrapperNode [2023-09-01 05:24:26,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:24:26,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:24:26,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:24:26,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:24:26,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,246 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-09-01 05:24:26,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:24:26,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:24:26,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:24:26,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:24:26,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:24:26,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:24:26,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:24:26,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:24:26,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (1/1) ... [2023-09-01 05:24:26,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:24:26,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:24:26,308 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 05:24:26,312 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 05:24:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:24:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:24:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:24:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:24:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:24:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-01 05:24:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-01 05:24:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-01 05:24:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-01 05:24:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-01 05:24:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-01 05:24:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:24:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:24:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:24:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:24:26,357 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 05:24:26,442 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:24:26,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:24:26,610 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:24:26,628 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:24:26,628 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:24:26,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:24:26 BoogieIcfgContainer [2023-09-01 05:24:26,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:24:26,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:24:26,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:24:26,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:24:26,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:24:25" (1/3) ... [2023-09-01 05:24:26,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46005b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:24:26, skipping insertion in model container [2023-09-01 05:24:26,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:24:26" (2/3) ... [2023-09-01 05:24:26,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46005b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:24:26, skipping insertion in model container [2023-09-01 05:24:26,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:24:26" (3/3) ... [2023-09-01 05:24:26,635 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2023-09-01 05:24:26,640 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:24:26,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:24:26,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-01 05:24:26,646 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:24:26,703 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-01 05:24:26,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 91 transitions, 197 flow [2023-09-01 05:24:26,769 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2023-09-01 05:24:26,770 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:24:26,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2023-09-01 05:24:26,773 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 91 transitions, 197 flow [2023-09-01 05:24:26,776 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 88 transitions, 185 flow [2023-09-01 05:24:26,778 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:24:26,783 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 88 transitions, 185 flow [2023-09-01 05:24:26,785 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 88 transitions, 185 flow [2023-09-01 05:24:26,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 88 transitions, 185 flow [2023-09-01 05:24:26,822 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2023-09-01 05:24:26,836 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:24:26,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2023-09-01 05:24:26,838 INFO L119 LiptonReduction]: Number of co-enabled transitions 2016 [2023-09-01 05:24:28,720 INFO L134 LiptonReduction]: Checked pairs total: 5695 [2023-09-01 05:24:28,720 INFO L136 LiptonReduction]: Total number of compositions: 75 [2023-09-01 05:24:28,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:24:28,734 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;@339c5b92, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:24:28,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-01 05:24:28,737 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-09-01 05:24:28,737 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:24:28,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:24:28,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:24:28,738 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 05:24:28,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:24:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash 315568209, now seen corresponding path program 1 times [2023-09-01 05:24:28,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:24:28,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688636556] [2023-09-01 05:24:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:24:28,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:24:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:24:28,910 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 05:24:28,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:24:28,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688636556] [2023-09-01 05:24:28,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688636556] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:24:28,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:24:28,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:24:28,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38663179] [2023-09-01 05:24:28,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:24:28,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:24:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:24:28,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:24:28,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:24:28,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 166 [2023-09-01 05:24:28,954 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 05:24:28,954 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:24:28,954 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 166 [2023-09-01 05:24:28,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:24:29,078 INFO L130 PetriNetUnfolder]: 423/698 cut-off events. [2023-09-01 05:24:29,092 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-09-01 05:24:29,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 698 events. 423/698 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3414 event pairs, 423 based on Foata normal form. 0/515 useless extension candidates. Maximal degree in co-relation 1390. Up to 656 conditions per place. [2023-09-01 05:24:29,097 INFO L137 encePairwiseOnDemand]: 161/166 looper letters, 16 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2023-09-01 05:24:29,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 20 transitions, 83 flow [2023-09-01 05:24:29,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:24:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:24:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2023-09-01 05:24:29,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4939759036144578 [2023-09-01 05:24:29,107 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 246 transitions. [2023-09-01 05:24:29,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 246 transitions. [2023-09-01 05:24:29,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:24:29,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 246 transitions. [2023-09-01 05:24:29,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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 05:24:29,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 05:24:29,114 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 05:24:29,115 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 57 flow. Second operand 3 states and 246 transitions. [2023-09-01 05:24:29,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 20 transitions, 83 flow [2023-09-01 05:24:29,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 20 transitions, 80 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:24:29,118 INFO L231 Difference]: Finished difference. Result has 29 places, 20 transitions, 48 flow [2023-09-01 05:24:29,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=29, PETRI_TRANSITIONS=20} [2023-09-01 05:24:29,122 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -4 predicate places. [2023-09-01 05:24:29,122 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 20 transitions, 48 flow [2023-09-01 05:24:29,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 05:24:29,123 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:24:29,123 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:24:29,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:24:29,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:24:29,124 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:24:29,124 INFO L85 PathProgramCache]: Analyzing trace with hash 315568210, now seen corresponding path program 1 times [2023-09-01 05:24:29,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:24:29,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441672767] [2023-09-01 05:24:29,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:24:29,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:24:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:24:29,160 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 05:24:29,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:24:29,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441672767] [2023-09-01 05:24:29,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441672767] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:24:29,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:24:29,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:24:29,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705064529] [2023-09-01 05:24:29,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:24:29,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:24:29,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:24:29,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:24:29,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:24:29,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 166 [2023-09-01 05:24:29,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 20 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 05:24:29,168 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:24:29,168 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 166 [2023-09-01 05:24:29,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:24:29,229 INFO L130 PetriNetUnfolder]: 201/359 cut-off events. [2023-09-01 05:24:29,230 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:24:29,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 359 events. 201/359 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1490 event pairs, 86 based on Foata normal form. 8/297 useless extension candidates. Maximal degree in co-relation 736. Up to 314 conditions per place. [2023-09-01 05:24:29,232 INFO L137 encePairwiseOnDemand]: 158/166 looper letters, 23 selfloop transitions, 4 changer transitions 0/30 dead transitions. [2023-09-01 05:24:29,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 30 transitions, 126 flow [2023-09-01 05:24:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:24:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:24:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-09-01 05:24:29,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5140562248995983 [2023-09-01 05:24:29,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-09-01 05:24:29,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-09-01 05:24:29,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:24:29,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-09-01 05:24:29,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 05:24:29,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 05:24:29,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 05:24:29,237 INFO L175 Difference]: Start difference. First operand has 29 places, 20 transitions, 48 flow. Second operand 3 states and 256 transitions. [2023-09-01 05:24:29,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 30 transitions, 126 flow [2023-09-01 05:24:29,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 30 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:24:29,238 INFO L231 Difference]: Finished difference. Result has 31 places, 23 transitions, 79 flow [2023-09-01 05:24:29,238 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=31, PETRI_TRANSITIONS=23} [2023-09-01 05:24:29,239 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2023-09-01 05:24:29,239 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 79 flow [2023-09-01 05:24:29,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 05:24:29,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:24:29,239 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:24:29,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:24:29,240 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 05:24:29,240 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:24:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash 960404299, now seen corresponding path program 1 times [2023-09-01 05:24:29,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:24:29,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465944703] [2023-09-01 05:24:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:24:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:24:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:24:29,316 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 05:24:29,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:24:29,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465944703] [2023-09-01 05:24:29,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465944703] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:24:29,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:24:29,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:24:29,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489631388] [2023-09-01 05:24:29,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:24:29,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:24:29,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:24:29,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:24:29,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:24:29,331 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 166 [2023-09-01 05:24:29,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 79 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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 05:24:29,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:24:29,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 166 [2023-09-01 05:24:29,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:24:29,384 INFO L130 PetriNetUnfolder]: 74/159 cut-off events. [2023-09-01 05:24:29,385 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2023-09-01 05:24:29,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 159 events. 74/159 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 513 event pairs, 23 based on Foata normal form. 12/159 useless extension candidates. Maximal degree in co-relation 420. Up to 67 conditions per place. [2023-09-01 05:24:29,387 INFO L137 encePairwiseOnDemand]: 158/166 looper letters, 25 selfloop transitions, 7 changer transitions 3/38 dead transitions. [2023-09-01 05:24:29,387 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 38 transitions, 191 flow [2023-09-01 05:24:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:24:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:24:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 339 transitions. [2023-09-01 05:24:29,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5105421686746988 [2023-09-01 05:24:29,390 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 339 transitions. [2023-09-01 05:24:29,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 339 transitions. [2023-09-01 05:24:29,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:24:29,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 339 transitions. [2023-09-01 05:24:29,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.75) internal successors, (339), 4 states have internal predecessors, (339), 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 05:24:29,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 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 05:24:29,394 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 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 05:24:29,394 INFO L175 Difference]: Start difference. First operand has 31 places, 23 transitions, 79 flow. Second operand 4 states and 339 transitions. [2023-09-01 05:24:29,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 38 transitions, 191 flow [2023-09-01 05:24:29,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 38 transitions, 187 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:24:29,396 INFO L231 Difference]: Finished difference. Result has 34 places, 23 transitions, 103 flow [2023-09-01 05:24:29,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=103, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2023-09-01 05:24:29,397 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-09-01 05:24:29,399 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 103 flow [2023-09-01 05:24:29,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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 05:24:29,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:24:29,400 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:24:29,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:24:29,400 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 05:24:29,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:24:29,401 INFO L85 PathProgramCache]: Analyzing trace with hash 978565505, now seen corresponding path program 1 times [2023-09-01 05:24:29,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:24:29,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579568078] [2023-09-01 05:24:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:24:29,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:24:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:24:29,500 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 05:24:29,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:24:29,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579568078] [2023-09-01 05:24:29,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579568078] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:24:29,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:24:29,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:24:29,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612692730] [2023-09-01 05:24:29,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:24:29,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:24:29,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:24:29,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:24:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:24:29,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 166 [2023-09-01 05:24:29,515 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 103 flow. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 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 05:24:29,515 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:24:29,516 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 166 [2023-09-01 05:24:29,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:24:29,559 INFO L130 PetriNetUnfolder]: 54/115 cut-off events. [2023-09-01 05:24:29,560 INFO L131 PetriNetUnfolder]: For 132/132 co-relation queries the response was YES. [2023-09-01 05:24:29,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 115 events. 54/115 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 359 event pairs, 15 based on Foata normal form. 9/121 useless extension candidates. Maximal degree in co-relation 336. Up to 48 conditions per place. [2023-09-01 05:24:29,560 INFO L137 encePairwiseOnDemand]: 158/166 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-09-01 05:24:29,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 161 flow [2023-09-01 05:24:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:24:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:24:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 406 transitions. [2023-09-01 05:24:29,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4891566265060241 [2023-09-01 05:24:29,564 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 406 transitions. [2023-09-01 05:24:29,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 406 transitions. [2023-09-01 05:24:29,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:24:29,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 406 transitions. [2023-09-01 05:24:29,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 81.2) internal successors, (406), 5 states have internal predecessors, (406), 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 05:24:29,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 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 05:24:29,568 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 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 05:24:29,568 INFO L175 Difference]: Start difference. First operand has 34 places, 23 transitions, 103 flow. Second operand 5 states and 406 transitions. [2023-09-01 05:24:29,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 161 flow [2023-09-01 05:24:29,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 137 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-09-01 05:24:29,570 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2023-09-01 05:24:29,570 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2023-09-01 05:24:29,571 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -4 predicate places. [2023-09-01 05:24:29,572 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2023-09-01 05:24:29,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 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 05:24:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-09-01 05:24:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-09-01 05:24:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-09-01 05:24:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-09-01 05:24:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-09-01 05:24:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-09-01 05:24:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-09-01 05:24:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-09-01 05:24:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-09-01 05:24:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-09-01 05:24:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-09-01 05:24:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-09-01 05:24:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-09-01 05:24:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-09-01 05:24:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-09-01 05:24:29,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:24:29,578 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-01 05:24:29,583 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:24:29,583 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:24:29,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:24:29 BasicIcfg [2023-09-01 05:24:29,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:24:29,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:24:29,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:24:29,590 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:24:29,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:24:26" (3/4) ... [2023-09-01 05:24:29,592 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:24:29,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-09-01 05:24:29,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-09-01 05:24:29,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-09-01 05:24:29,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-09-01 05:24:29,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-09-01 05:24:29,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:24:29,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:24:29,620 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:24:29,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:24:29,621 INFO L158 Benchmark]: Toolchain (without parser) took 3847.91ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 71.4MB in the beginning and 116.6MB in the end (delta: -45.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,621 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:24:29,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.27ms. Allocated memory is still 92.3MB. Free memory was 71.4MB in the beginning and 51.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.99ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,622 INFO L158 Benchmark]: Boogie Preprocessor took 26.51ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 71.8MB in the end (delta: -22.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,622 INFO L158 Benchmark]: RCFGBuilder took 355.96ms. Allocated memory is still 92.3MB. Free memory was 71.8MB in the beginning and 56.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,622 INFO L158 Benchmark]: TraceAbstraction took 2957.89ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 55.5MB in the beginning and 119.8MB in the end (delta: -64.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,622 INFO L158 Benchmark]: Witness Printer took 30.72ms. Allocated memory is still 148.9MB. Free memory was 119.8MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:24:29,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.27ms. Allocated memory is still 92.3MB. Free memory was 71.4MB in the beginning and 51.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.99ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.51ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 71.8MB in the end (delta: -22.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.96ms. Allocated memory is still 92.3MB. Free memory was 71.8MB in the beginning and 56.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2957.89ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 55.5MB in the beginning and 119.8MB in the end (delta: -64.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Witness Printer took 30.72ms. Allocated memory is still 148.9MB. Free memory was 119.8MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 96 PlacesBefore, 33 PlacesAfterwards, 88 TransitionsBefore, 24 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 5695 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2829, independent: 2648, independent conditional: 0, independent unconditional: 2648, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1114, independent: 1072, independent conditional: 0, independent unconditional: 1072, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2829, independent: 1576, independent conditional: 0, independent unconditional: 1576, dependent: 139, dependent conditional: 0, dependent unconditional: 139, unknown: 1114, unknown conditional: 0, unknown unconditional: 1114] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 750]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: 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, 120 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: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 7 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 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 05:24:29,645 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