./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 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 ../sv-benchmarks/c/goblint-regression/00-sanity_09-include.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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:02:13,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:02:13,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:02:13,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:02:13,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:02:13,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:02:13,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:02:13,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:02:13,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:02:13,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:02:13,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:02:13,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:02:13,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:02:13,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:02:13,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:02:13,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:02:13,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:02:13,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:02:13,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:02:13,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:02:13,680 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:02:13,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:02:13,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:02:13,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:02:13,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:02:13,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:02:13,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:02:13,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:02:13,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:02:13,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:02:13,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:02:13,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:02:13,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:02:13,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:02:13,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:02:13,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:02:13,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:02:13,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:02:13,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:02:13,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:02:13,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:02:13,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:02:13,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-14 14:02:13,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:02:13,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:02:13,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:02:13,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:02:13,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 14:02:13,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 14:02:13,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:02:13,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:02:13,729 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:02:13,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:02:13,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 14:02:13,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:02:13,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:02:13,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 14:02:13,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:02:13,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 14:02:13,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 14:02:13,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 14:02:13,732 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 14:02:13,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 14:02:13,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:02:13,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:02:13,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 14:02:13,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:02:13,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:02:13,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 14:02:13,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:02:13,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:02:13,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 14:02:13,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 14:02:13,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:02:13,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 14:02:13,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 14:02:13,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2022-07-14 14:02:13,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:02:13,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:02:13,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:02:13,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:02:13,961 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:02:13,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-07-14 14:02:14,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f44668c/c6114ad6b1fe4d2a92f42f0249c524c5/FLAG085937f20 [2022-07-14 14:02:14,458 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:02:14,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-07-14 14:02:14,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f44668c/c6114ad6b1fe4d2a92f42f0249c524c5/FLAG085937f20 [2022-07-14 14:02:14,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f44668c/c6114ad6b1fe4d2a92f42f0249c524c5 [2022-07-14 14:02:14,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:02:14,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:02:14,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:02:14,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:02:14,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:02:14,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:14,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b7d0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14, skipping insertion in model container [2022-07-14 14:02:14,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:14,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:02:14,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:02:14,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:02:14,897 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:02:14,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:02:14,951 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:02:14,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14 WrapperNode [2022-07-14 14:02:14,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:02:14,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:02:14,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:02:14,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:02:14,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:14,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:14,986 INFO L137 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-07-14 14:02:14,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:02:14,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:02:14,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:02:14,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:02:14,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:14,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:02:15,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:02:15,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:02:15,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:02:15,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (1/1) ... [2022-07-14 14:02:15,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:02:15,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:02:15,075 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) [2022-07-14 14:02:15,076 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 [2022-07-14 14:02:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 14:02:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 14:02:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 14:02:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-14 14:02:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 14:02:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-14 14:02:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-14 14:02:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 14:02:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:02:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:02:15,100 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-14 14:02:15,234 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:02:15,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:02:15,348 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:02:15,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:02:15,354 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 14:02:15,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:15 BoogieIcfgContainer [2022-07-14 14:02:15,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:02:15,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 14:02:15,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 14:02:15,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 14:02:15,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:02:14" (1/3) ... [2022-07-14 14:02:15,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224251a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:02:15, skipping insertion in model container [2022-07-14 14:02:15,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:02:14" (2/3) ... [2022-07-14 14:02:15,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224251a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:02:15, skipping insertion in model container [2022-07-14 14:02:15,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:15" (3/3) ... [2022-07-14 14:02:15,363 INFO L111 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2022-07-14 14:02:15,367 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-14 14:02:15,373 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 14:02:15,374 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 14:02:15,374 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-14 14:02:15,425 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-14 14:02:15,461 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-14 14:02:15,469 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 50 transitions, 105 flow [2022-07-14 14:02:15,472 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 50 transitions, 105 flow [2022-07-14 14:02:15,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 50 transitions, 105 flow [2022-07-14 14:02:15,510 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2022-07-14 14:02:15,510 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-14 14:02:15,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-07-14 14:02:15,513 INFO L116 LiptonReduction]: Number of co-enabled transitions 390 [2022-07-14 14:02:16,789 INFO L131 LiptonReduction]: Checked pairs total: 449 [2022-07-14 14:02:16,789 INFO L133 LiptonReduction]: Total number of compositions: 49 [2022-07-14 14:02:16,795 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions, 27 flow [2022-07-14 14:02:16,803 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 26 states, 16 states have (on average 2.5) internal successors, (40), 25 states have internal predecessors, (40), 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) [2022-07-14 14:02:16,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 14:02:16,817 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=FINITE_AUTOMATA, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61cc324c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f625a96 [2022-07-14 14:02:16,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-07-14 14:02:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 2.5) internal successors, (40), 25 states have internal predecessors, (40), 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) [2022-07-14 14:02:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-07-14 14:02:16,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:02:16,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-07-14 14:02:16,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-14 14:02:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:02:16,826 INFO L85 PathProgramCache]: Analyzing trace with hash 190129, now seen corresponding path program 1 times [2022-07-14 14:02:16,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:02:16,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097589918] [2022-07-14 14:02:16,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:02:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:02:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:02:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:02:16,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:02:16,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097589918] [2022-07-14 14:02:16,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097589918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:02:16,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:02:16,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-14 14:02:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259661630] [2022-07-14 14:02:16,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:02:16,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 14:02:16,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:02:17,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 14:02:17,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:02:17,004 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 2.5) internal successors, (40), 25 states have internal predecessors, (40), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-07-14 14:02:17,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:02:17,033 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2022-07-14 14:02:17,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 14:02:17,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2022-07-14 14:02:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:02:17,039 INFO L225 Difference]: With dead ends: 14 [2022-07-14 14:02:17,039 INFO L226 Difference]: Without dead ends: 11 [2022-07-14 14:02:17,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 14:02:17,043 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:02:17,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:02:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-07-14 14:02:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-07-14 14:02:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 10 states have internal predecessors, (10), 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) [2022-07-14 14:02:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2022-07-14 14:02:17,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 3 [2022-07-14 14:02:17,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:02:17,064 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2022-07-14 14:02:17,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-07-14 14:02:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2022-07-14 14:02:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-14 14:02:17,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:02:17,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-14 14:02:17,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 14:02:17,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-14 14:02:17,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:02:17,066 INFO L85 PathProgramCache]: Analyzing trace with hash 182717805, now seen corresponding path program 1 times [2022-07-14 14:02:17,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:02:17,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115867181] [2022-07-14 14:02:17,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:02:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:02:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:02:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:02:17,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:02:17,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115867181] [2022-07-14 14:02:17,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115867181] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:02:17,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:02:17,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 14:02:17,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476158397] [2022-07-14 14:02:17,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:02:17,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 14:02:17,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:02:17,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 14:02:17,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:02:17,136 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:02:17,151 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2022-07-14 14:02:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 14:02:17,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-07-14 14:02:17,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:02:17,152 INFO L225 Difference]: With dead ends: 10 [2022-07-14 14:02:17,152 INFO L226 Difference]: Without dead ends: 10 [2022-07-14 14:02:17,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-14 14:02:17,154 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:02:17,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:02:17,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-07-14 14:02:17,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-07-14 14:02:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 9 states have internal predecessors, (9), 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) [2022-07-14 14:02:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-07-14 14:02:17,156 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 5 [2022-07-14 14:02:17,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:02:17,156 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-07-14 14:02:17,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-07-14 14:02:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-14 14:02:17,157 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:02:17,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-14 14:02:17,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 14:02:17,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-14 14:02:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:02:17,158 INFO L85 PathProgramCache]: Analyzing trace with hash 182717811, now seen corresponding path program 1 times [2022-07-14 14:02:17,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:02:17,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344249165] [2022-07-14 14:02:17,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:02:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:02:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:02:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:02:17,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:02:17,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344249165] [2022-07-14 14:02:17,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344249165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:02:17,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:02:17,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 14:02:17,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490205021] [2022-07-14 14:02:17,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:02:17,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 14:02:17,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:02:17,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 14:02:17,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:02:17,205 INFO L87 Difference]: Start difference. First operand 10 states and 9 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:02:17,219 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2022-07-14 14:02:17,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 14:02:17,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-07-14 14:02:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:02:17,220 INFO L225 Difference]: With dead ends: 9 [2022-07-14 14:02:17,220 INFO L226 Difference]: Without dead ends: 7 [2022-07-14 14:02:17,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 14:02:17,221 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:02:17,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:02:17,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-14 14:02:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-14 14:02:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-07-14 14:02:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-14 14:02:17,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2022-07-14 14:02:17,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:02:17,224 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-14 14:02:17,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-14 14:02:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-14 14:02:17,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:02:17,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-14 14:02:17,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 14:02:17,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-14 14:02:17,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:02:17,225 INFO L85 PathProgramCache]: Analyzing trace with hash 182710410, now seen corresponding path program 1 times [2022-07-14 14:02:17,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:02:17,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207460982] [2022-07-14 14:02:17,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:02:17,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:02:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:02:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:02:17,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:02:17,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207460982] [2022-07-14 14:02:17,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207460982] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:02:17,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:02:17,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 14:02:17,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994112363] [2022-07-14 14:02:17,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:02:17,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 14:02:17,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:02:17,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 14:02:17,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:02:17,268 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:02:17,278 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2022-07-14 14:02:17,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 14:02:17,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-07-14 14:02:17,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:02:17,279 INFO L225 Difference]: With dead ends: 6 [2022-07-14 14:02:17,279 INFO L226 Difference]: Without dead ends: 6 [2022-07-14 14:02:17,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 14:02:17,280 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:02:17,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:02:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2022-07-14 14:02:17,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-07-14 14:02:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2022-07-14 14:02:17,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 5 [2022-07-14 14:02:17,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:02:17,283 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2022-07-14 14:02:17,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2022-07-14 14:02:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-14 14:02:17,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 14:02:17,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-14 14:02:17,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 14:02:17,284 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-07-14 14:02:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:02:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash 182710406, now seen corresponding path program 1 times [2022-07-14 14:02:17,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:02:17,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200084518] [2022-07-14 14:02:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:02:17,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:02:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:02:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:02:17,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 14:02:17,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200084518] [2022-07-14 14:02:17,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200084518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 14:02:17,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 14:02:17,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 14:02:17,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365386786] [2022-07-14 14:02:17,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 14:02:17,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 14:02:17,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 14:02:17,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 14:02:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 14:02:17,310 INFO L87 Difference]: Start difference. First operand 6 states and 5 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 14:02:17,318 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2022-07-14 14:02:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 14:02:17,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-07-14 14:02:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 14:02:17,318 INFO L225 Difference]: With dead ends: 5 [2022-07-14 14:02:17,319 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 14:02:17,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-14 14:02:17,319 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 14:02:17,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 14:02:17,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 14:02:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 14:02:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-14 14:02:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 14:02:17,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-07-14 14:02:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 14:02:17,321 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:02:17,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-07-14 14:02:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 14:02:17,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 14:02:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-07-14 14:02:17,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-07-14 14:02:17,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-07-14 14:02:17,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-07-14 14:02:17,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-07-14 14:02:17,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-07-14 14:02:17,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-07-14 14:02:17,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 14:02:17,326 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-14 14:02:17,329 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-14 14:02:17,329 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-14 14:02:17,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 02:02:17 BasicIcfg [2022-07-14 14:02:17,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 14:02:17,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 14:02:17,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 14:02:17,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 14:02:17,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:02:15" (3/4) ... [2022-07-14 14:02:17,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-14 14:02:17,338 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-07-14 14:02:17,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-07-14 14:02:17,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-14 14:02:17,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-14 14:02:17,357 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 14:02:17,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 14:02:17,358 INFO L158 Benchmark]: Toolchain (without parser) took 2861.82ms. Allocated memory was 94.4MB in the beginning and 140.5MB in the end (delta: 46.1MB). Free memory was 51.6MB in the beginning and 63.0MB in the end (delta: -11.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,358 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:02:17,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.89ms. Allocated memory was 94.4MB in the beginning and 140.5MB in the end (delta: 46.1MB). Free memory was 51.3MB in the beginning and 96.0MB in the end (delta: -44.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 94.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,359 INFO L158 Benchmark]: Boogie Preprocessor took 36.10ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 92.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,359 INFO L158 Benchmark]: RCFGBuilder took 331.98ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 81.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,360 INFO L158 Benchmark]: TraceAbstraction took 1973.90ms. Allocated memory is still 140.5MB. Free memory was 81.3MB in the beginning and 65.1MB in the end (delta: 16.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,360 INFO L158 Benchmark]: Witness Printer took 25.95ms. Allocated memory is still 140.5MB. Free memory was 65.1MB in the beginning and 63.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 14:02:17,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.89ms. Allocated memory was 94.4MB in the beginning and 140.5MB in the end (delta: 46.1MB). Free memory was 51.3MB in the beginning and 96.0MB in the end (delta: -44.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 94.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.10ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 92.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.98ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 81.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1973.90ms. Allocated memory is still 140.5MB. Free memory was 81.3MB in the beginning and 65.1MB in the end (delta: 16.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 25.95ms. Allocated memory is still 140.5MB. Free memory was 65.1MB in the beginning and 63.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 54 PlacesBefore, 15 PlacesAfterwards, 50 TransitionsBefore, 11 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 49 TotalNumberOfCompositions, 449 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 372, positive: 349, positive conditional: 0, positive unconditional: 349, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 275, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 275, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 372, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 275, unknown conditional: 0, unknown unconditional: 275] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 998]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 998]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 991]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 991]: 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, 66 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-07-14 14:02:17,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE