./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.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/goblint-regression/13-privatized_24-multiple-protecting_true.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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --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 06:19:51,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 06:19:51,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 06:19:51,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 06:19:51,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 06:19:51,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 06:19:51,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 06:19:51,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 06:19:51,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 06:19:51,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 06:19:51,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 06:19:51,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 06:19:51,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 06:19:51,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 06:19:51,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 06:19:51,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 06:19:51,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 06:19:51,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 06:19:51,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 06:19:51,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 06:19:51,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 06:19:51,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 06:19:51,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 06:19:51,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 06:19:51,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 06:19:51,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 06:19:51,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 06:19:51,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 06:19:51,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 06:19:51,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 06:19:51,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 06:19:51,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 06:19:51,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 06:19:51,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 06:19:51,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 06:19:51,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 06:19:51,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 06:19:51,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 06:19:51,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 06:19:51,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 06:19:51,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 06:19:51,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 06:19:51,796 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 06:19:51,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 06:19:51,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 06:19:51,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 06:19:51,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 06:19:51,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 06:19:51,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 06:19:51,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 06:19:51,800 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 06:19:51,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 06:19:51,801 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 06:19:51,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 06:19:51,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 06:19:51,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 06:19:51,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 06:19:51,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 06:19:51,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 06:19:51,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 06:19:51,803 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 06:19:51,803 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 06:19:51,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 06:19:51,803 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 06:19:51,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 06:19:51,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 06:19:51,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 06:19:51,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 06:19:51,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 06:19:51,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 06:19:51,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 06:19:51,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 06:19:51,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 06:19:51,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 06:19:51,806 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 06:19:51,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 06:19:51,806 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 06:19:51,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 06:19:51,806 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 06:19:51,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 06:19:52,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 06:19:52,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 06:19:52,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 06:19:52,162 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 06:19:52,162 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 06:19:52,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-09-01 06:19:53,550 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 06:19:53,781 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 06:19:53,782 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-09-01 06:19:53,805 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279048553/9bd94f8afa88427583961569c06b13cf/FLAGc90473104 [2023-09-01 06:19:53,819 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279048553/9bd94f8afa88427583961569c06b13cf [2023-09-01 06:19:53,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 06:19:53,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 06:19:53,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 06:19:53,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 06:19:53,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 06:19:53,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 06:19:53" (1/1) ... [2023-09-01 06:19:53,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbbf722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:53, skipping insertion in model container [2023-09-01 06:19:53,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 06:19:53" (1/1) ... [2023-09-01 06:19:53,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 06:19:53,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 06:19:53,986 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2023-09-01 06:19:54,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 06:19:54,166 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 06:19:54,179 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2023-09-01 06:19:54,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 06:19:54,273 INFO L208 MainTranslator]: Completed translation [2023-09-01 06:19:54,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54 WrapperNode [2023-09-01 06:19:54,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 06:19:54,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 06:19:54,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 06:19:54,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 06:19:54,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,343 INFO L138 Inliner]: procedures = 162, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 90 [2023-09-01 06:19:54,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 06:19:54,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 06:19:54,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 06:19:54,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 06:19:54,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 06:19:54,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 06:19:54,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 06:19:54,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 06:19:54,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (1/1) ... [2023-09-01 06:19:54,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 06:19:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 06:19:54,435 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 06:19:54,443 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 06:19:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 06:19:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 06:19:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-01 06:19:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 06:19:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 06:19:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-09-01 06:19:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-09-01 06:19:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 06:19:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 06:19:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 06:19:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 06:19:54,468 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 06:19:54,653 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 06:19:54,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 06:19:54,875 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 06:19:54,882 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 06:19:54,883 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 06:19:54,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 06:19:54 BoogieIcfgContainer [2023-09-01 06:19:54,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 06:19:54,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 06:19:54,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 06:19:54,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 06:19:54,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 06:19:53" (1/3) ... [2023-09-01 06:19:54,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8effb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 06:19:54, skipping insertion in model container [2023-09-01 06:19:54,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 06:19:54" (2/3) ... [2023-09-01 06:19:54,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8effb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 06:19:54, skipping insertion in model container [2023-09-01 06:19:54,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 06:19:54" (3/3) ... [2023-09-01 06:19:54,892 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2023-09-01 06:19:54,900 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 06:19:54,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 06:19:54,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-09-01 06:19:54,909 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 06:19:54,968 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-09-01 06:19:55,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 143 transitions, 294 flow [2023-09-01 06:19:55,096 INFO L130 PetriNetUnfolder]: 4/142 cut-off events. [2023-09-01 06:19:55,097 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-09-01 06:19:55,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 142 events. 4/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 138 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2023-09-01 06:19:55,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 143 transitions, 294 flow [2023-09-01 06:19:55,113 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 135 transitions, 273 flow [2023-09-01 06:19:55,117 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 06:19:55,130 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 135 transitions, 273 flow [2023-09-01 06:19:55,138 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 135 transitions, 273 flow [2023-09-01 06:19:55,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 135 transitions, 273 flow [2023-09-01 06:19:55,175 INFO L130 PetriNetUnfolder]: 4/135 cut-off events. [2023-09-01 06:19:55,176 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 06:19:55,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 135 events. 4/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 138 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2023-09-01 06:19:55,180 INFO L119 LiptonReduction]: Number of co-enabled transitions 4802 [2023-09-01 06:19:59,036 INFO L134 LiptonReduction]: Checked pairs total: 17683 [2023-09-01 06:19:59,037 INFO L136 LiptonReduction]: Total number of compositions: 113 [2023-09-01 06:19:59,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 06:19:59,055 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;@7c793d97, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 06:19:59,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-09-01 06:19:59,059 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-09-01 06:19:59,059 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 06:19:59,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 06:19:59,060 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-09-01 06:19:59,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2023-09-01 06:19:59,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 06:19:59,065 INFO L85 PathProgramCache]: Analyzing trace with hash 15279463, now seen corresponding path program 1 times [2023-09-01 06:19:59,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 06:19:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849399283] [2023-09-01 06:19:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 06:19:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 06:19:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 06:19:59,379 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 06:19:59,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 06:19:59,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849399283] [2023-09-01 06:19:59,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849399283] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 06:19:59,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 06:19:59,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 06:19:59,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845566786] [2023-09-01 06:19:59,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 06:19:59,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 06:19:59,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 06:19:59,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 06:19:59,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 06:19:59,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 256 [2023-09-01 06:19:59,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 50 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 06:19:59,451 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 06:19:59,451 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 256 [2023-09-01 06:19:59,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 06:19:59,660 INFO L130 PetriNetUnfolder]: 336/767 cut-off events. [2023-09-01 06:19:59,661 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 06:19:59,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 767 events. 336/767 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3832 event pairs, 64 based on Foata normal form. 54/653 useless extension candidates. Maximal degree in co-relation 1474. Up to 628 conditions per place. [2023-09-01 06:19:59,669 INFO L137 encePairwiseOnDemand]: 246/256 looper letters, 50 selfloop transitions, 2 changer transitions 4/59 dead transitions. [2023-09-01 06:19:59,669 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 59 transitions, 231 flow [2023-09-01 06:19:59,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 06:19:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 06:19:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2023-09-01 06:19:59,683 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5924479166666666 [2023-09-01 06:19:59,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 455 transitions. [2023-09-01 06:19:59,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 455 transitions. [2023-09-01 06:19:59,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 06:19:59,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 455 transitions. [2023-09-01 06:19:59,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 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 06:19:59,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 256.0) internal successors, (1024), 4 states have internal predecessors, (1024), 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 06:19:59,698 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 256.0) internal successors, (1024), 4 states have internal predecessors, (1024), 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 06:19:59,700 INFO L175 Difference]: Start difference. First operand has 50 places, 50 transitions, 103 flow. Second operand 3 states and 455 transitions. [2023-09-01 06:19:59,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 59 transitions, 231 flow [2023-09-01 06:19:59,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 59 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 06:19:59,705 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 90 flow [2023-09-01 06:19:59,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2023-09-01 06:19:59,710 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2023-09-01 06:19:59,711 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 90 flow [2023-09-01 06:19:59,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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 06:19:59,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 06:19:59,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-01 06:19:59,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 06:19:59,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2023-09-01 06:19:59,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 06:19:59,713 INFO L85 PathProgramCache]: Analyzing trace with hash -76301260, now seen corresponding path program 1 times [2023-09-01 06:19:59,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 06:19:59,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052850337] [2023-09-01 06:19:59,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 06:19:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 06:19:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 06:19:59,856 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 06:19:59,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 06:19:59,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052850337] [2023-09-01 06:19:59,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052850337] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 06:19:59,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 06:19:59,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 06:19:59,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032383541] [2023-09-01 06:19:59,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 06:19:59,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 06:19:59,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 06:19:59,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 06:19:59,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-09-01 06:19:59,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 256 [2023-09-01 06:19:59,890 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 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 06:19:59,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 06:19:59,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 256 [2023-09-01 06:19:59,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 06:20:00,066 INFO L130 PetriNetUnfolder]: 264/601 cut-off events. [2023-09-01 06:20:00,068 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2023-09-01 06:20:00,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 601 events. 264/601 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2877 event pairs, 20 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 1220. Up to 371 conditions per place. [2023-09-01 06:20:00,075 INFO L137 encePairwiseOnDemand]: 251/256 looper letters, 81 selfloop transitions, 4 changer transitions 0/88 dead transitions. [2023-09-01 06:20:00,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 88 transitions, 362 flow [2023-09-01 06:20:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 06:20:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 06:20:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 716 transitions. [2023-09-01 06:20:00,081 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.559375 [2023-09-01 06:20:00,082 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 716 transitions. [2023-09-01 06:20:00,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 716 transitions. [2023-09-01 06:20:00,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 06:20:00,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 716 transitions. [2023-09-01 06:20:00,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 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 06:20:00,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 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 06:20:00,105 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 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 06:20:00,105 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 90 flow. Second operand 5 states and 716 transitions. [2023-09-01 06:20:00,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 88 transitions, 362 flow [2023-09-01 06:20:00,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 88 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 06:20:00,108 INFO L231 Difference]: Finished difference. Result has 46 places, 38 transitions, 92 flow [2023-09-01 06:20:00,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2023-09-01 06:20:00,109 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2023-09-01 06:20:00,110 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 92 flow [2023-09-01 06:20:00,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 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 06:20:00,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 06:20:00,110 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-01 06:20:00,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 06:20:00,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2023-09-01 06:20:00,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 06:20:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash -76301266, now seen corresponding path program 1 times [2023-09-01 06:20:00,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 06:20:00,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985002934] [2023-09-01 06:20:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 06:20:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 06:20:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 06:20:00,179 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 06:20:00,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 06:20:00,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985002934] [2023-09-01 06:20:00,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985002934] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 06:20:00,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 06:20:00,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 06:20:00,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879474965] [2023-09-01 06:20:00,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 06:20:00,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 06:20:00,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 06:20:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 06:20:00,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-01 06:20:00,211 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 256 [2023-09-01 06:20:00,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 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 06:20:00,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 06:20:00,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 256 [2023-09-01 06:20:00,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 06:20:00,380 INFO L130 PetriNetUnfolder]: 246/564 cut-off events. [2023-09-01 06:20:00,380 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2023-09-01 06:20:00,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 564 events. 246/564 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2609 event pairs, 18 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 1180. Up to 371 conditions per place. [2023-09-01 06:20:00,392 INFO L137 encePairwiseOnDemand]: 251/256 looper letters, 80 selfloop transitions, 4 changer transitions 0/87 dead transitions. [2023-09-01 06:20:00,392 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 87 transitions, 362 flow [2023-09-01 06:20:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 06:20:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 06:20:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 715 transitions. [2023-09-01 06:20:00,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.55859375 [2023-09-01 06:20:00,395 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 715 transitions. [2023-09-01 06:20:00,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 715 transitions. [2023-09-01 06:20:00,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 06:20:00,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 715 transitions. [2023-09-01 06:20:00,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 06:20:00,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 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 06:20:00,400 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 256.0) internal successors, (1536), 6 states have internal predecessors, (1536), 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 06:20:00,400 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 92 flow. Second operand 5 states and 715 transitions. [2023-09-01 06:20:00,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 87 transitions, 362 flow [2023-09-01 06:20:00,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 87 transitions, 354 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-09-01 06:20:00,404 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 90 flow [2023-09-01 06:20:00,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=90, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2023-09-01 06:20:00,405 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2023-09-01 06:20:00,405 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 90 flow [2023-09-01 06:20:00,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 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 06:20:00,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 06:20:00,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 06:20:00,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 06:20:00,407 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2023-09-01 06:20:00,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 06:20:00,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1832652223, now seen corresponding path program 1 times [2023-09-01 06:20:00,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 06:20:00,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129280905] [2023-09-01 06:20:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 06:20:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 06:20:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 06:20:00,516 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 06:20:00,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 06:20:00,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129280905] [2023-09-01 06:20:00,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129280905] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 06:20:00,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 06:20:00,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 06:20:00,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825805456] [2023-09-01 06:20:00,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 06:20:00,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 06:20:00,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 06:20:00,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 06:20:00,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 06:20:00,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 256 [2023-09-01 06:20:00,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 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 06:20:00,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 06:20:00,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 256 [2023-09-01 06:20:00,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 06:20:00,625 INFO L130 PetriNetUnfolder]: 184/416 cut-off events. [2023-09-01 06:20:00,625 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2023-09-01 06:20:00,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 416 events. 184/416 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1708 event pairs, 116 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 880. Up to 252 conditions per place. [2023-09-01 06:20:00,630 INFO L137 encePairwiseOnDemand]: 251/256 looper letters, 46 selfloop transitions, 2 changer transitions 0/52 dead transitions. [2023-09-01 06:20:00,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 52 transitions, 220 flow [2023-09-01 06:20:00,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 06:20:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 06:20:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 441 transitions. [2023-09-01 06:20:00,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.57421875 [2023-09-01 06:20:00,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 441 transitions. [2023-09-01 06:20:00,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 441 transitions. [2023-09-01 06:20:00,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 06:20:00,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 441 transitions. [2023-09-01 06:20:00,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 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 06:20:00,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 256.0) internal successors, (1024), 4 states have internal predecessors, (1024), 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 06:20:00,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 256.0) internal successors, (1024), 4 states have internal predecessors, (1024), 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 06:20:00,639 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 90 flow. Second operand 3 states and 441 transitions. [2023-09-01 06:20:00,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 52 transitions, 220 flow [2023-09-01 06:20:00,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 52 transitions, 212 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-09-01 06:20:00,643 INFO L231 Difference]: Finished difference. Result has 42 places, 35 transitions, 86 flow [2023-09-01 06:20:00,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=42, PETRI_TRANSITIONS=35} [2023-09-01 06:20:00,645 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -8 predicate places. [2023-09-01 06:20:00,645 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 86 flow [2023-09-01 06:20:00,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 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 06:20:00,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 06:20:00,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 06:20:00,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 06:20:00,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2023-09-01 06:20:00,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 06:20:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1081457094, now seen corresponding path program 1 times [2023-09-01 06:20:00,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 06:20:00,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461961640] [2023-09-01 06:20:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 06:20:00,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 06:20:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 06:20:00,759 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 06:20:00,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 06:20:00,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461961640] [2023-09-01 06:20:00,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461961640] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 06:20:00,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 06:20:00,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 06:20:00,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681740950] [2023-09-01 06:20:00,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 06:20:00,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 06:20:00,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 06:20:00,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 06:20:00,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-09-01 06:20:00,782 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 256 [2023-09-01 06:20:00,783 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 86 flow. Second operand has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 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 06:20:00,783 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 06:20:00,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 256 [2023-09-01 06:20:00,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 06:20:00,903 INFO L130 PetriNetUnfolder]: 166/378 cut-off events. [2023-09-01 06:20:00,903 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-09-01 06:20:00,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 378 events. 166/378 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1541 event pairs, 96 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 807. Up to 217 conditions per place. [2023-09-01 06:20:00,906 INFO L137 encePairwiseOnDemand]: 251/256 looper letters, 78 selfloop transitions, 4 changer transitions 0/86 dead transitions. [2023-09-01 06:20:00,906 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 86 transitions, 366 flow [2023-09-01 06:20:00,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 06:20:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 06:20:00,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 839 transitions. [2023-09-01 06:20:00,909 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5462239583333334 [2023-09-01 06:20:00,909 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 839 transitions. [2023-09-01 06:20:00,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 839 transitions. [2023-09-01 06:20:00,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 06:20:00,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 839 transitions. [2023-09-01 06:20:00,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 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 06:20:00,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 256.0) internal successors, (1792), 7 states have internal predecessors, (1792), 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 06:20:00,914 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 256.0) internal successors, (1792), 7 states have internal predecessors, (1792), 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 06:20:00,914 INFO L175 Difference]: Start difference. First operand has 42 places, 35 transitions, 86 flow. Second operand 6 states and 839 transitions. [2023-09-01 06:20:00,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 86 transitions, 366 flow [2023-09-01 06:20:00,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 86 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 06:20:00,916 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 88 flow [2023-09-01 06:20:00,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=88, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2023-09-01 06:20:00,917 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -6 predicate places. [2023-09-01 06:20:00,917 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 88 flow [2023-09-01 06:20:00,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 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 06:20:00,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 06:20:00,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 06:20:00,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-01 06:20:00,918 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2023-09-01 06:20:00,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 06:20:00,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1081457101, now seen corresponding path program 1 times [2023-09-01 06:20:00,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 06:20:00,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497303512] [2023-09-01 06:20:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 06:20:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 06:20:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 06:20:00,989 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 06:20:00,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 06:20:00,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497303512] [2023-09-01 06:20:00,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497303512] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 06:20:00,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 06:20:00,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 06:20:00,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971709330] [2023-09-01 06:20:00,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 06:20:00,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 06:20:00,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 06:20:00,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 06:20:00,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-01 06:20:01,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 256 [2023-09-01 06:20:01,017 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 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 06:20:01,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 06:20:01,017 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 256 [2023-09-01 06:20:01,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 06:20:01,152 INFO L130 PetriNetUnfolder]: 148/341 cut-off events. [2023-09-01 06:20:01,152 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2023-09-01 06:20:01,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 341 events. 148/341 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1376 event pairs, 96 based on Foata normal form. 19/355 useless extension candidates. Maximal degree in co-relation 767. Up to 217 conditions per place. [2023-09-01 06:20:01,153 INFO L137 encePairwiseOnDemand]: 251/256 looper letters, 0 selfloop transitions, 0 changer transitions 85/85 dead transitions. [2023-09-01 06:20:01,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 85 transitions, 366 flow [2023-09-01 06:20:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 06:20:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 06:20:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 838 transitions. [2023-09-01 06:20:01,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5455729166666666 [2023-09-01 06:20:01,156 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 838 transitions. [2023-09-01 06:20:01,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 838 transitions. [2023-09-01 06:20:01,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 06:20:01,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 838 transitions. [2023-09-01 06:20:01,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 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 06:20:01,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 256.0) internal successors, (1792), 7 states have internal predecessors, (1792), 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 06:20:01,161 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 256.0) internal successors, (1792), 7 states have internal predecessors, (1792), 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 06:20:01,161 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 88 flow. Second operand 6 states and 838 transitions. [2023-09-01 06:20:01,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 85 transitions, 366 flow [2023-09-01 06:20:01,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 85 transitions, 359 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-09-01 06:20:01,163 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2023-09-01 06:20:01,163 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2023-09-01 06:20:01,164 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -6 predicate places. [2023-09-01 06:20:01,164 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2023-09-01 06:20:01,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 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 06:20:01,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2023-09-01 06:20:01,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 17 remaining) [2023-09-01 06:20:01,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 17 remaining) [2023-09-01 06:20:01,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 17 remaining) [2023-09-01 06:20:01,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 17 remaining) [2023-09-01 06:20:01,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 17 remaining) [2023-09-01 06:20:01,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 17 remaining) [2023-09-01 06:20:01,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 17 remaining) [2023-09-01 06:20:01,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-01 06:20:01,169 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-09-01 06:20:01,174 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 06:20:01,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 06:20:01,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 06:20:01 BasicIcfg [2023-09-01 06:20:01,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 06:20:01,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 06:20:01,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 06:20:01,178 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 06:20:01,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 06:19:54" (3/4) ... [2023-09-01 06:20:01,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 06:20:01,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-09-01 06:20:01,188 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-09-01 06:20:01,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-09-01 06:20:01,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 06:20:01,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 06:20:01,219 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 06:20:01,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 06:20:01,220 INFO L158 Benchmark]: Toolchain (without parser) took 7397.12ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 61.5MB in the beginning and 35.0MB in the end (delta: 26.5MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,220 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 06:20:01,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.82ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 62.3MB in the end (delta: -1.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.19ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 60.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,221 INFO L158 Benchmark]: Boogie Preprocessor took 51.54ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 58.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,221 INFO L158 Benchmark]: RCFGBuilder took 487.47ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 41.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,221 INFO L158 Benchmark]: TraceAbstraction took 6290.33ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 41.3MB in the beginning and 38.2MB in the end (delta: 3.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,222 INFO L158 Benchmark]: Witness Printer took 42.17ms. Allocated memory is still 100.7MB. Free memory was 38.2MB in the beginning and 35.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 06:20:01,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.82ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 62.3MB in the end (delta: -1.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.19ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 60.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.54ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 58.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.47ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 41.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6290.33ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 41.3MB in the beginning and 38.2MB in the end (delta: 3.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 42.17ms. Allocated memory is still 100.7MB. Free memory was 38.2MB in the beginning and 35.0MB in the end (delta: 3.2MB). 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: 3.9s, 135 PlacesBefore, 50 PlacesAfterwards, 135 TransitionsBefore, 50 TransitionsAfterwards, 4802 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 113 TotalNumberOfCompositions, 17683 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4502, independent: 3927, independent conditional: 0, independent unconditional: 3927, dependent: 575, dependent conditional: 0, dependent unconditional: 575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2456, independent: 2374, independent conditional: 0, independent unconditional: 2374, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4502, independent: 1553, independent conditional: 0, independent unconditional: 1553, dependent: 493, dependent conditional: 0, dependent unconditional: 493, unknown: 2456, unknown conditional: 0, unknown unconditional: 2456] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 699]: 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 3 procedures, 191 locations, 17 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: 6.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 511 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 427 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 28 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-01 06:20:01,237 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