./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/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_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:08:17,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:08:17,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:08:17,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:08:17,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:08:17,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:08:17,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:08:17,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:08:17,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:08:17,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:08:17,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:08:17,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:08:17,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:08:17,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:08:17,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:08:17,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:08:17,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:08:17,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:08:17,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:08:17,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:08:17,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:08:17,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:08:17,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:08:17,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:08:17,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:08:17,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:08:17,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:08:17,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:08:17,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:08:17,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:08:17,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:08:17,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:08:17,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:08:17,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:08:17,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:08:17,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:08:17,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:08:17,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:08:17,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:08:17,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:08:17,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:08:17,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:08:17,389 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:08:17,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:08:17,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:08:17,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:08:17,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:08:17,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:08:17,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:08:17,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:08:17,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:08:17,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:08:17,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:08:17,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:08:17,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:08:17,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:08:17,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:08:17,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:08:17,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:08:17,394 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:08:17,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:08:17,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:08:17,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:08:17,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:08:17,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:08:17,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:08:17,396 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:08:17,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:08:17,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:08:17,396 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_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2021-11-13 23:08:17,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:08:17,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:08:17,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:08:17,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:08:17,712 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:08:17,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-11-13 23:08:17,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/data/66fcc31e1/463de76a31464431804a4c35255445ab/FLAG228c9e3b7 [2021-11-13 23:08:18,223 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:08:18,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-11-13 23:08:18,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/data/66fcc31e1/463de76a31464431804a4c35255445ab/FLAG228c9e3b7 [2021-11-13 23:08:18,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/data/66fcc31e1/463de76a31464431804a4c35255445ab [2021-11-13 23:08:18,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:08:18,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:08:18,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:08:18,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:08:18,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:08:18,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67658b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18, skipping insertion in model container [2021-11-13 23:08:18,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:08:18,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:08:18,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:08:18,815 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:08:18,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:08:18,848 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:08:18,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18 WrapperNode [2021-11-13 23:08:18,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:08:18,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:08:18,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:08:18,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:08:18,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:08:18,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:08:18,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:08:18,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:08:18,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:08:18,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:08:18,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:08:18,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:08:18,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:18" (1/1) ... [2021-11-13 23:08:18,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:08:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:08:18,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:08:18,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:08:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-11-13 23:08:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-11-13 23:08:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:08:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:08:19,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:08:19,400 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:08:19,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:19 BoogieIcfgContainer [2021-11-13 23:08:19,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:08:19,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:08:19,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:08:19,425 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:08:19,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:19" (1/1) ... [2021-11-13 23:08:19,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:08:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-13 23:08:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-13 23:08:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:08:19,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:19,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-13 23:08:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-13 23:08:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:08:19,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:19,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-13 23:08:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-13 23:08:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:08:19,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:19,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2021-11-13 23:08:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-11-13 23:08:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:08:19,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:19,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2021-11-13 23:08:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2021-11-13 23:08:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:08:20,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-11-13 23:08:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-11-13 23:08:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:08:20,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2021-11-13 23:08:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-11-13 23:08:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:08:20,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2021-11-13 23:08:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2021-11-13 23:08:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:08:20,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2021-11-13 23:08:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-11-13 23:08:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:08:20,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2021-11-13 23:08:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2021-11-13 23:08:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:08:20,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 112 transitions. [2021-11-13 23:08:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2021-11-13 23:08:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:08:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:20,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 122 transitions. [2021-11-13 23:08:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2021-11-13 23:08:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:08:21,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2021-11-13 23:08:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-11-13 23:08:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:08:21,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2021-11-13 23:08:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-11-13 23:08:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:08:21,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2021-11-13 23:08:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2021-11-13 23:08:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:08:21,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2021-11-13 23:08:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2021-11-13 23:08:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:21,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 165 transitions. [2021-11-13 23:08:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 165 transitions. [2021-11-13 23:08:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:21,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 167 transitions. [2021-11-13 23:08:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2021-11-13 23:08:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:21,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 173 transitions. [2021-11-13 23:08:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2021-11-13 23:08:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:21,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 98 states and 175 transitions. [2021-11-13 23:08:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 175 transitions. [2021-11-13 23:08:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:21,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 100 states and 181 transitions. [2021-11-13 23:08:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2021-11-13 23:08:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:21,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 183 transitions. [2021-11-13 23:08:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 183 transitions. [2021-11-13 23:08:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:08:21,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:21,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 105 states and 197 transitions. [2021-11-13 23:08:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 197 transitions. [2021-11-13 23:08:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:08:22,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:22,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 105 states and 196 transitions. [2021-11-13 23:08:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2021-11-13 23:08:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:22,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:22,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 107 states and 202 transitions. [2021-11-13 23:08:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 202 transitions. [2021-11-13 23:08:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:22,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:22,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 109 states and 204 transitions. [2021-11-13 23:08:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 204 transitions. [2021-11-13 23:08:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:22,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:22,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 111 states and 205 transitions. [2021-11-13 23:08:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 205 transitions. [2021-11-13 23:08:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:08:22,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:22,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:08:22,785 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:08:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:08:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:08:22,815 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:08:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:08:22,852 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2021-11-13 23:08:22,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:08:22 ImpRootNode [2021-11-13 23:08:22,889 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:08:22,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:08:22,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:08:22,890 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:08:22,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:19" (3/4) ... [2021-11-13 23:08:22,892 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:08:22,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:08:22,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:08:22,970 INFO L158 Benchmark]: Toolchain (without parser) took 4344.51ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 94.9MB in the beginning and 130.3MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:08:22,973 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 130.0MB. Free memory was 101.9MB in the beginning and 101.9MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:08:22,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.57ms. Allocated memory is still 130.0MB. Free memory was 94.6MB in the beginning and 105.7MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:08:22,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.33ms. Allocated memory is still 130.0MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 829.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:08:22,975 INFO L158 Benchmark]: Boogie Preprocessor took 22.54ms. Allocated memory is still 130.0MB. Free memory was 104.9MB in the beginning and 103.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:08:22,981 INFO L158 Benchmark]: RCFGBuilder took 507.07ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 88.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 23:08:22,982 INFO L158 Benchmark]: CodeCheck took 3474.15ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 88.9MB in the beginning and 132.4MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:08:22,982 INFO L158 Benchmark]: Witness Printer took 80.11ms. Allocated memory is still 159.4MB. Free memory was 132.4MB in the beginning and 130.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:08:22,985 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: 3.4s, 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: 0 mSolverCounterUnknown, 4815 SdHoareTripleChecker+Valid, 5175.45ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3970 mSDsluCounter, 9020 SdHoareTripleChecker+Invalid, 3868.41ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7238 mSDsCounter, 709 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3198 IncrementalHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 709 mSolverCounterUnsat, 1782 mSDtfsCounter, 3198 mSolverCounterSat, 306.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4122 GetRequests, 3804 SyntacticMatches, 246 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 1.5s 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 VAL [d=0, x=2147483647] [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 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 130.0MB. Free memory was 101.9MB in the beginning and 101.9MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.57ms. Allocated memory is still 130.0MB. Free memory was 94.6MB in the beginning and 105.7MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.33ms. Allocated memory is still 130.0MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 829.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.54ms. Allocated memory is still 130.0MB. Free memory was 104.9MB in the beginning and 103.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.07ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 88.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3474.15ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 88.9MB in the beginning and 132.4MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.11ms. Allocated memory is still 159.4MB. Free memory was 132.4MB in the beginning and 130.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 23:08:23,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee772bf-5b00-43bf-9d1d-971dcb17e625/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)