./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix028_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 a86612b573a63cde2c4106f45bf8b3ea66989a894eb80420a80ff8b17f8f03d1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:41:56,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:41:56,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:41:56,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:41:56,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:41:56,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:41:56,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:41:56,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:41:56,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:41:56,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:41:56,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:41:56,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:41:56,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:41:56,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:41:56,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:41:56,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:41:56,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:41:56,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:41:56,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:41:56,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:41:56,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:41:56,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:41:56,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:41:56,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:41:56,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:41:56,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:41:56,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:41:56,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:41:56,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:41:56,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:41:56,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:41:56,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:41:56,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:41:56,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:41:56,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:41:56,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:41:56,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:41:56,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:41:56,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:41:56,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:41:56,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:41:56,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:41:56,306 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:41:56,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:41:56,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:41:56,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:41:56,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:41:56,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:41:56,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:41:56,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:41:56,309 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:41:56,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:41:56,310 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:41:56,310 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:41:56,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:41:56,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:41:56,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:41:56,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:41:56,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:41:56,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:41:56,311 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:41:56,311 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:41:56,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:41:56,312 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:41:56,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:41:56,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:41:56,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:41:56,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:41:56,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:41:56,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:41:56,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:41:56,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:41:56,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:41:56,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:41:56,314 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:41:56,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:41:56,314 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:41:56,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:41:56,315 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:41:56,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a86612b573a63cde2c4106f45bf8b3ea66989a894eb80420a80ff8b17f8f03d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:41:56,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:41:56,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:41:56,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:41:56,619 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:41:56,620 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:41:56,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i [2023-08-30 08:41:57,842 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:41:58,145 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:41:58,146 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.opt_pso.opt_rmo.opt.i [2023-08-30 08:41:58,174 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320995f84/5cbe778f1183402aa3e5b319f4a74d8f/FLAG4bbd9f73f [2023-08-30 08:41:58,191 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320995f84/5cbe778f1183402aa3e5b319f4a74d8f [2023-08-30 08:41:58,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:41:58,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:41:58,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:41:58,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:41:58,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:41:58,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f738ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58, skipping insertion in model container [2023-08-30 08:41:58,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:41:58,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:41:58,420 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/mix028_power.opt_pso.opt_rmo.opt.i[966,979] [2023-08-30 08:41:58,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:41:58,659 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:41:58,677 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/mix028_power.opt_pso.opt_rmo.opt.i[966,979] [2023-08-30 08:41:58,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:41:58,761 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:41:58,762 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:41:58,767 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:41:58,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58 WrapperNode [2023-08-30 08:41:58,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:41:58,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:41:58,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:41:58,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:41:58,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,809 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2023-08-30 08:41:58,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:41:58,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:41:58,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:41:58,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:41:58,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:41:58,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:41:58,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:41:58,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:41:58,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (1/1) ... [2023-08-30 08:41:58,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:41:58,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:41:58,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 08:41:58,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 08:41:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:41:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:41:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:41:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:41:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:41:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 08:41:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 08:41:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 08:41:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 08:41:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 08:41:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 08:41:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:41:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:41:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:41:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:41:58,905 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 08:41:59,022 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:41:59,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:41:59,408 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:41:59,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:41:59,560 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:41:59,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:41:59 BoogieIcfgContainer [2023-08-30 08:41:59,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:41:59,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:41:59,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:41:59,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:41:59,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:41:58" (1/3) ... [2023-08-30 08:41:59,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58662b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:41:59, skipping insertion in model container [2023-08-30 08:41:59,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:41:58" (2/3) ... [2023-08-30 08:41:59,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58662b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:41:59, skipping insertion in model container [2023-08-30 08:41:59,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:41:59" (3/3) ... [2023-08-30 08:41:59,570 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_power.opt_pso.opt_rmo.opt.i [2023-08-30 08:41:59,578 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:41:59,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:41:59,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 08:41:59,587 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:41:59,641 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 08:41:59,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 241 flow [2023-08-30 08:41:59,708 INFO L130 PetriNetUnfolder]: 2/110 cut-off events. [2023-08-30 08:41:59,708 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:41:59,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2023-08-30 08:41:59,713 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 113 transitions, 241 flow [2023-08-30 08:41:59,716 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 110 transitions, 229 flow [2023-08-30 08:41:59,719 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:41:59,727 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 110 transitions, 229 flow [2023-08-30 08:41:59,729 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 110 transitions, 229 flow [2023-08-30 08:41:59,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 110 transitions, 229 flow [2023-08-30 08:41:59,751 INFO L130 PetriNetUnfolder]: 2/110 cut-off events. [2023-08-30 08:41:59,752 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:41:59,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2023-08-30 08:41:59,754 INFO L119 LiptonReduction]: Number of co-enabled transitions 2468 [2023-08-30 08:42:03,100 INFO L134 LiptonReduction]: Checked pairs total: 8588 [2023-08-30 08:42:03,100 INFO L136 LiptonReduction]: Total number of compositions: 88 [2023-08-30 08:42:03,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:42:03,117 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;@5d24a7b1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:42:03,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-30 08:42:03,121 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-08-30 08:42:03,121 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:42:03,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:42:03,122 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 08:42:03,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:42:03,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:42:03,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1823620880, now seen corresponding path program 1 times [2023-08-30 08:42:03,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:42:03,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286906607] [2023-08-30 08:42:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:42:03,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:42:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:42:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:42:03,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:42:03,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286906607] [2023-08-30 08:42:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286906607] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:42:03,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:42:03,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:42:03,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618475910] [2023-08-30 08:42:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:42:03,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:42:03,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:42:03,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:42:03,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:42:03,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 201 [2023-08-30 08:42:03,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:03,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:42:03,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 201 [2023-08-30 08:42:03,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:42:03,867 INFO L130 PetriNetUnfolder]: 1421/2237 cut-off events. [2023-08-30 08:42:03,867 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 08:42:03,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4470 conditions, 2237 events. 1421/2237 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11535 event pairs, 440 based on Foata normal form. 118/1787 useless extension candidates. Maximal degree in co-relation 4459. Up to 1666 conditions per place. [2023-08-30 08:42:03,884 INFO L137 encePairwiseOnDemand]: 190/201 looper letters, 40 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2023-08-30 08:42:03,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 48 transitions, 199 flow [2023-08-30 08:42:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:42:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:42:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2023-08-30 08:42:03,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.538971807628524 [2023-08-30 08:42:03,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 325 transitions. [2023-08-30 08:42:03,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 325 transitions. [2023-08-30 08:42:03,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:42:03,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 325 transitions. [2023-08-30 08:42:03,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:03,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:03,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:03,918 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 71 flow. Second operand 3 states and 325 transitions. [2023-08-30 08:42:03,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 48 transitions, 199 flow [2023-08-30 08:42:03,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 48 transitions, 194 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:42:03,924 INFO L231 Difference]: Finished difference. Result has 40 places, 33 transitions, 102 flow [2023-08-30 08:42:03,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2023-08-30 08:42:03,929 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2023-08-30 08:42:03,930 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 102 flow [2023-08-30 08:42:03,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:03,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:42:03,934 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:42:03,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:42:03,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:42:03,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:42:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 114107247, now seen corresponding path program 1 times [2023-08-30 08:42:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:42:03,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714105594] [2023-08-30 08:42:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:42:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:42:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:42:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:42:04,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:42:04,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714105594] [2023-08-30 08:42:04,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714105594] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:42:04,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:42:04,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:42:04,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965467407] [2023-08-30 08:42:04,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:42:04,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:42:04,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:42:04,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:42:04,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:42:04,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 201 [2023-08-30 08:42:04,096 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,096 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:42:04,096 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 201 [2023-08-30 08:42:04,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:42:04,376 INFO L130 PetriNetUnfolder]: 1105/1737 cut-off events. [2023-08-30 08:42:04,377 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2023-08-30 08:42:04,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4150 conditions, 1737 events. 1105/1737 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8650 event pairs, 368 based on Foata normal form. 0/1443 useless extension candidates. Maximal degree in co-relation 4139. Up to 1165 conditions per place. [2023-08-30 08:42:04,385 INFO L137 encePairwiseOnDemand]: 194/201 looper letters, 37 selfloop transitions, 4 changer transitions 0/45 dead transitions. [2023-08-30 08:42:04,386 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 45 transitions, 206 flow [2023-08-30 08:42:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:42:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:42:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 408 transitions. [2023-08-30 08:42:04,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5074626865671642 [2023-08-30 08:42:04,389 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 408 transitions. [2023-08-30 08:42:04,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 408 transitions. [2023-08-30 08:42:04,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:42:04,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 408 transitions. [2023-08-30 08:42:04,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 201.0) internal successors, (1005), 5 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,394 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 201.0) internal successors, (1005), 5 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,394 INFO L175 Difference]: Start difference. First operand has 40 places, 33 transitions, 102 flow. Second operand 4 states and 408 transitions. [2023-08-30 08:42:04,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 45 transitions, 206 flow [2023-08-30 08:42:04,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 45 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:42:04,397 INFO L231 Difference]: Finished difference. Result has 39 places, 30 transitions, 94 flow [2023-08-30 08:42:04,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2023-08-30 08:42:04,398 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places. [2023-08-30 08:42:04,398 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 94 flow [2023-08-30 08:42:04,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:42:04,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:42:04,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:42:04,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:42:04,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:42:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash 114107248, now seen corresponding path program 1 times [2023-08-30 08:42:04,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:42:04,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996012423] [2023-08-30 08:42:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:42:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:42:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:42:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:42:04,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:42:04,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996012423] [2023-08-30 08:42:04,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996012423] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:42:04,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:42:04,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:42:04,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474584028] [2023-08-30 08:42:04,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:42:04,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:42:04,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:42:04,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:42:04,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:42:04,480 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 201 [2023-08-30 08:42:04,481 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,481 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:42:04,481 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 201 [2023-08-30 08:42:04,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:42:04,711 INFO L130 PetriNetUnfolder]: 870/1372 cut-off events. [2023-08-30 08:42:04,711 INFO L131 PetriNetUnfolder]: For 464/464 co-relation queries the response was YES. [2023-08-30 08:42:04,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3233 conditions, 1372 events. 870/1372 cut-off events. For 464/464 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6693 event pairs, 326 based on Foata normal form. 0/1256 useless extension candidates. Maximal degree in co-relation 3221. Up to 549 conditions per place. [2023-08-30 08:42:04,718 INFO L137 encePairwiseOnDemand]: 194/201 looper letters, 47 selfloop transitions, 7 changer transitions 3/61 dead transitions. [2023-08-30 08:42:04,719 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 61 transitions, 282 flow [2023-08-30 08:42:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:42:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:42:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 424 transitions. [2023-08-30 08:42:04,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.527363184079602 [2023-08-30 08:42:04,721 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 424 transitions. [2023-08-30 08:42:04,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 424 transitions. [2023-08-30 08:42:04,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:42:04,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 424 transitions. [2023-08-30 08:42:04,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 201.0) internal successors, (1005), 5 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,724 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 201.0) internal successors, (1005), 5 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,725 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 94 flow. Second operand 4 states and 424 transitions. [2023-08-30 08:42:04,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 61 transitions, 282 flow [2023-08-30 08:42:04,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 61 transitions, 277 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 08:42:04,727 INFO L231 Difference]: Finished difference. Result has 41 places, 30 transitions, 115 flow [2023-08-30 08:42:04,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2023-08-30 08:42:04,728 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 1 predicate places. [2023-08-30 08:42:04,728 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 115 flow [2023-08-30 08:42:04,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:42:04,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:42:04,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:42:04,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:42:04,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:42:04,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1220630728, now seen corresponding path program 1 times [2023-08-30 08:42:04,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:42:04,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490645315] [2023-08-30 08:42:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:42:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:42:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:42:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:42:04,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:42:04,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490645315] [2023-08-30 08:42:04,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490645315] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:42:04,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:42:04,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:42:04,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412969564] [2023-08-30 08:42:04,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:42:04,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:42:04,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:42:04,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:42:04,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:42:04,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 201 [2023-08-30 08:42:04,835 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:04,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:42:04,835 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 201 [2023-08-30 08:42:04,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:42:05,056 INFO L130 PetriNetUnfolder]: 838/1316 cut-off events. [2023-08-30 08:42:05,056 INFO L131 PetriNetUnfolder]: For 960/960 co-relation queries the response was YES. [2023-08-30 08:42:05,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3486 conditions, 1316 events. 838/1316 cut-off events. For 960/960 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6443 event pairs, 326 based on Foata normal form. 18/1240 useless extension candidates. Maximal degree in co-relation 3473. Up to 549 conditions per place. [2023-08-30 08:42:05,060 INFO L137 encePairwiseOnDemand]: 194/201 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2023-08-30 08:42:05,060 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 55 transitions, 261 flow [2023-08-30 08:42:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:42:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:42:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 509 transitions. [2023-08-30 08:42:05,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5064676616915423 [2023-08-30 08:42:05,063 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 509 transitions. [2023-08-30 08:42:05,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 509 transitions. [2023-08-30 08:42:05,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:42:05,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 509 transitions. [2023-08-30 08:42:05,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 101.8) internal successors, (509), 5 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:05,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:05,068 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:05,068 INFO L175 Difference]: Start difference. First operand has 41 places, 30 transitions, 115 flow. Second operand 5 states and 509 transitions. [2023-08-30 08:42:05,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 55 transitions, 261 flow [2023-08-30 08:42:05,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 55 transitions, 237 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-30 08:42:05,074 INFO L231 Difference]: Finished difference. Result has 38 places, 0 transitions, 0 flow [2023-08-30 08:42:05,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=38, PETRI_TRANSITIONS=0} [2023-08-30 08:42:05,076 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2023-08-30 08:42:05,076 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 0 transitions, 0 flow [2023-08-30 08:42:05,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:42:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-08-30 08:42:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-08-30 08:42:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-08-30 08:42:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-08-30 08:42:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-08-30 08:42:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-08-30 08:42:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-30 08:42:05,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-08-30 08:42:05,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-08-30 08:42:05,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-08-30 08:42:05,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-08-30 08:42:05,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-08-30 08:42:05,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-08-30 08:42:05,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-08-30 08:42:05,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-08-30 08:42:05,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:42:05,082 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 08:42:05,088 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:42:05,088 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:42:05,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:42:05 BasicIcfg [2023-08-30 08:42:05,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:42:05,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:42:05,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:42:05,093 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:42:05,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:41:59" (3/4) ... [2023-08-30 08:42:05,095 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:42:05,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 08:42:05,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 08:42:05,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 08:42:05,101 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-30 08:42:05,101 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-08-30 08:42:05,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-30 08:42:05,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:42:05,134 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:42:05,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:42:05,135 INFO L158 Benchmark]: Toolchain (without parser) took 6940.17ms. Allocated memory was 69.2MB in the beginning and 146.8MB in the end (delta: 77.6MB). Free memory was 45.2MB in the beginning and 87.3MB in the end (delta: -42.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,135 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:42:05,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.32ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 38.8MB in the end (delta: 6.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.15ms. Allocated memory is still 69.2MB. Free memory was 38.8MB in the beginning and 36.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,136 INFO L158 Benchmark]: Boogie Preprocessor took 29.17ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 34.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,136 INFO L158 Benchmark]: RCFGBuilder took 722.28ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 52.5MB in the end (delta: -18.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,137 INFO L158 Benchmark]: TraceAbstraction took 5528.24ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 51.9MB in the beginning and 90.4MB in the end (delta: -38.5MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,137 INFO L158 Benchmark]: Witness Printer took 41.89ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 87.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:42:05,138 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 54.5MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.32ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 38.8MB in the end (delta: 6.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.15ms. Allocated memory is still 69.2MB. Free memory was 38.8MB in the beginning and 36.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.17ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 34.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.28ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 52.5MB in the end (delta: -18.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5528.24ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 51.9MB in the beginning and 90.4MB in the end (delta: -38.5MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. * Witness Printer took 41.89ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 87.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 118 PlacesBefore, 40 PlacesAfterwards, 110 TransitionsBefore, 31 TransitionsAfterwards, 2468 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 8588 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2911, independent: 2652, independent conditional: 0, independent unconditional: 2652, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1278, independent: 1232, independent conditional: 0, independent unconditional: 1232, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2911, independent: 1420, independent conditional: 0, independent unconditional: 1420, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 1278, unknown conditional: 0, unknown unconditional: 1278] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: 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, 146 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 1 mSDtfsCounter, 262 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=115occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 08:42:05,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE