./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:14:21,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:14:21,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:14:21,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:14:21,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:14:21,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:14:21,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:14:21,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:14:21,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:14:21,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:14:21,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:14:21,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:14:21,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:14:21,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:14:21,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:14:21,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:14:21,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:14:21,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:14:21,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:14:21,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:14:21,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:14:21,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:14:21,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:14:21,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:14:21,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:14:21,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:14:21,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:14:21,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:14:21,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:14:21,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:14:21,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:14:21,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:14:21,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:14:21,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:14:21,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:14:21,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:14:21,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:14:21,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:14:21,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:14:21,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:14:21,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:14:21,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:14:21,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:14:21,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:14:21,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:14:21,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:14:21,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:14:21,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:14:21,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:14:21,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:14:21,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:14:21,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:14:21,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:14:21,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:14:21,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:14:21,967 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:14:21,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:14:21,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:14:21,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:14:21,968 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:14:21,968 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:14:21,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:14:21,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:14:21,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:14:21,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:14:21,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:14:21,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:14:21,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:14:21,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:14:21,970 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2021-10-29 04:14:22,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:14:22,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:14:22,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:14:22,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:14:22,254 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:14:22,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-10-29 04:14:22,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/data/2b2680605/70f6363d7591436ea8c641c31b632c48/FLAG29c4ea31d [2021-10-29 04:14:22,789 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:14:22,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-10-29 04:14:22,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/data/2b2680605/70f6363d7591436ea8c641c31b632c48/FLAG29c4ea31d [2021-10-29 04:14:23,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/data/2b2680605/70f6363d7591436ea8c641c31b632c48 [2021-10-29 04:14:23,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:14:23,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:14:23,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:14:23,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:14:23,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:14:23,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0926b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23, skipping insertion in model container [2021-10-29 04:14:23,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:14:23,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:14:23,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:14:23,418 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:14:23,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:14:23,452 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:14:23,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23 WrapperNode [2021-10-29 04:14:23,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:14:23,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:14:23,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:14:23,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:14:23,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:14:23,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:14:23,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:14:23,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:14:23,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:14:23,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:14:23,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:14:23,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:14:23,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:14:23" (1/1) ... [2021-10-29 04:14:23,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:14:23,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:14:23,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:14:23,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:14:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-10-29 04:14:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-10-29 04:14:23,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:14:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:14:24,213 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:14:24,214 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:14:24,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:24 BoogieIcfgContainer [2021-10-29 04:14:24,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:14:24,218 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:14:24,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:14:24,234 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:14:24,234 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:24" (1/1) ... [2021-10-29 04:14:24,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:14:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-10-29 04:14:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-10-29 04:14:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:14:24,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-10-29 04:14:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-10-29 04:14:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:14:24,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-10-29 04:14:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-10-29 04:14:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:14:24,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2021-10-29 04:14:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-29 04:14:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:14:24,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:24,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2021-10-29 04:14:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2021-10-29 04:14:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:14:25,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-10-29 04:14:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-10-29 04:14:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:14:25,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2021-10-29 04:14:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-10-29 04:14:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:14:25,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2021-10-29 04:14:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2021-10-29 04:14:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:25,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2021-10-29 04:14:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-10-29 04:14:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:25,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2021-10-29 04:14:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2021-10-29 04:14:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:25,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 106 transitions. [2021-10-29 04:14:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2021-10-29 04:14:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:25,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 99 transitions. [2021-10-29 04:14:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-10-29 04:14:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:14:25,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:25,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2021-10-29 04:14:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-10-29 04:14:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:14:26,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2021-10-29 04:14:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-10-29 04:14:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:14:26,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2021-10-29 04:14:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2021-10-29 04:14:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:14:26,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2021-10-29 04:14:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2021-10-29 04:14:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 165 transitions. [2021-10-29 04:14:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 165 transitions. [2021-10-29 04:14:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 167 transitions. [2021-10-29 04:14:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2021-10-29 04:14:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 96 states and 169 transitions. [2021-10-29 04:14:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 169 transitions. [2021-10-29 04:14:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 98 states and 171 transitions. [2021-10-29 04:14:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 171 transitions. [2021-10-29 04:14:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 100 states and 177 transitions. [2021-10-29 04:14:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 177 transitions. [2021-10-29 04:14:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 102 states and 179 transitions. [2021-10-29 04:14:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 179 transitions. [2021-10-29 04:14:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 104 states and 185 transitions. [2021-10-29 04:14:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 185 transitions. [2021-10-29 04:14:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:26,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:26,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 106 states and 187 transitions. [2021-10-29 04:14:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 187 transitions. [2021-10-29 04:14:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:27,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:27,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 109 states and 201 transitions. [2021-10-29 04:14:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 201 transitions. [2021-10-29 04:14:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:14:27,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:27,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 109 states and 200 transitions. [2021-10-29 04:14:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 200 transitions. [2021-10-29 04:14:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:27,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:27,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:14:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 111 states and 201 transitions. [2021-10-29 04:14:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2021-10-29 04:14:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:14:27,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:27,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:14:27,787 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:14:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:14:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:14:27,823 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:14:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:14:27,868 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2021-10-29 04:14:27,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:14:27 ImpRootNode [2021-10-29 04:14:27,895 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:14:27,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:14:27,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:14:27,896 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:14:27,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:14:24" (3/4) ... [2021-10-29 04:14:27,898 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:14:27,938 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:14:27,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:14:27,940 INFO L168 Benchmark]: Toolchain (without parser) took 4737.08 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 71.6 MB in the beginning and 65.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:27,941 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:14:27,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.89 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 102.4 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:27,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 125.8 MB. Free memory was 102.4 MB in the beginning and 101.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:14:27,943 INFO L168 Benchmark]: Boogie Preprocessor took 58.07 ms. Allocated memory is still 125.8 MB. Free memory was 101.1 MB in the beginning and 100.3 MB in the end (delta: 829.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:27,944 INFO L168 Benchmark]: RCFGBuilder took 651.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.3 MB in the beginning and 82.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:27,945 INFO L168 Benchmark]: CodeCheck took 3676.63 ms. Allocated memory is still 125.8 MB. Free memory was 82.9 MB in the beginning and 67.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:27,945 INFO L168 Benchmark]: Witness Printer took 42.90 ms. Allocated memory is still 125.8 MB. Free memory was 67.0 MB in the beginning and 65.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:14:27,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 829693920 SDtfs, 950377762 SDslu, 1450672648 SDs, 0 SdLazy, 803229932 SolverSat, 202665982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 3792 SyntacticMatches, 246 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 1/5 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 [L80] COND TRUE x > 0 [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 249.89 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 102.4 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 125.8 MB. Free memory was 102.4 MB in the beginning and 101.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.07 ms. Allocated memory is still 125.8 MB. Free memory was 101.1 MB in the beginning and 100.3 MB in the end (delta: 829.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 651.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.3 MB in the beginning and 82.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 3676.63 ms. Allocated memory is still 125.8 MB. Free memory was 82.9 MB in the beginning and 67.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Witness Printer took 42.90 ms. Allocated memory is still 125.8 MB. Free memory was 67.0 MB in the beginning and 65.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:14:28,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fb9b45-4bd8-4069-aa23-2a510419bdb3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...