./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL --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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:52:18,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:52:18,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:52:18,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:52:18,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:52:18,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:52:18,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:52:18,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:52:18,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:52:18,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:52:18,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:52:18,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:52:18,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:52:18,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:52:18,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:52:18,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:52:18,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:52:18,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:52:18,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:52:18,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:52:18,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:52:18,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:52:18,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:52:18,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:52:18,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:52:18,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:52:18,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:52:18,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:52:18,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:52:18,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:52:18,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:52:18,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:52:18,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:52:18,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:52:18,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:52:18,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:52:18,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:52:18,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:52:18,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:52:18,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:52:18,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:52:18,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 07:52:18,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:52:18,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:52:18,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:52:18,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:52:18,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:52:18,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:52:18,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:52:18,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:52:18,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:52:18,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:52:18,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:52:18,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:52:18,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:52:18,146 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:52:18,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:52:18,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:52:18,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:52:18,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:52:18,147 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:52:18,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:52:18,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:52:18,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:52:18,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:52:18,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:52:18,148 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:52:18,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:52:18,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:52:18,148 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_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2021-11-25 07:52:18,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:52:18,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:52:18,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:52:18,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:52:18,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:52:18,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-11-25 07:52:18,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/data/217eafdd6/7a2541febd044accbb14b5b42de67e83/FLAGee68ef3c6 [2021-11-25 07:52:19,039 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:52:19,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-11-25 07:52:19,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/data/217eafdd6/7a2541febd044accbb14b5b42de67e83/FLAGee68ef3c6 [2021-11-25 07:52:19,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/data/217eafdd6/7a2541febd044accbb14b5b42de67e83 [2021-11-25 07:52:19,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:52:19,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:52:19,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:52:19,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:52:19,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:52:19,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64407af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19, skipping insertion in model container [2021-11-25 07:52:19,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:52:19,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:52:19,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:52:19,652 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:52:19,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:52:19,678 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:52:19,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19 WrapperNode [2021-11-25 07:52:19,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:52:19,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:52:19,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:52:19,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:52:19,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,713 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2021-11-25 07:52:19,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:52:19,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:52:19,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:52:19,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:52:19,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:52:19,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:52:19,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:52:19,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:52:19,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:52:19" (1/1) ... [2021-11-25 07:52:19,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:52:19,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:52:19,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:52:19,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:52:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:52:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:52:19,898 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:52:19,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:52:20,072 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:52:20,085 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:52:20,086 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 07:52:20,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:20 BoogieIcfgContainer [2021-11-25 07:52:20,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:52:20,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:52:20,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:52:20,130 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:52:20,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:20" (1/1) ... [2021-11-25 07:52:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:52:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-25 07:52:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-25 07:52:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:52:20,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-11-25 07:52:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-25 07:52:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:52:20,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-25 07:52:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-25 07:52:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:52:20,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2021-11-25 07:52:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-11-25 07:52:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:52:20,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2021-11-25 07:52:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-25 07:52:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:52:20,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2021-11-25 07:52:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-25 07:52:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:52:21,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:21,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2021-11-25 07:52:21,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-11-25 07:52:21,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:52:21,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:21,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2021-11-25 07:52:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2021-11-25 07:52:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:52:22,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:22,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2021-11-25 07:52:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2021-11-25 07:52:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:52:22,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:22,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2021-11-25 07:52:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2021-11-25 07:52:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:52:23,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:23,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2021-11-25 07:52:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2021-11-25 07:52:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:52:24,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:24,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2021-11-25 07:52:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2021-11-25 07:52:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:52:24,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:24,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2021-11-25 07:52:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2021-11-25 07:52:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:52:24,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:24,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2021-11-25 07:52:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-11-25 07:52:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:52:25,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:25,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2021-11-25 07:52:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-11-25 07:52:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:52:26,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:26,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 117 transitions. [2021-11-25 07:52:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2021-11-25 07:52:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:52:26,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:26,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 72 states and 122 transitions. [2021-11-25 07:52:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2021-11-25 07:52:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:52:27,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:27,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2021-11-25 07:52:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2021-11-25 07:52:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:52:27,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:27,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2021-11-25 07:52:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2021-11-25 07:52:28,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:52:28,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:28,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2021-11-25 07:52:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2021-11-25 07:52:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:52:29,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:29,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:52:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2021-11-25 07:52:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2021-11-25 07:52:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:52:29,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:29,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2021-11-25 07:52:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2021-11-25 07:52:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:52:30,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:30,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 104 transitions. [2021-11-25 07:52:30,413 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2021-11-25 07:52:30,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:52:30,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:30,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 07:52:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-25 07:52:30,812 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-25 07:52:30,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:52:30,813 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2021-11-25 07:52:30,823 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2021-11-25 07:52:30,966 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-25 07:52:30,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:52:30,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:52:30 ImpRootNode [2021-11-25 07:52:30,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:52:30,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:52:30,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:52:30,985 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:52:30,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:20" (3/4) ... [2021-11-25 07:52:30,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:52:31,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 07:52:31,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:52:31,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 07:52:31,082 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:52:31,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:52:31,088 INFO L158 Benchmark]: Toolchain (without parser) took 11642.18ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 75.0MB in the beginning and 51.3MB in the end (delta: 23.7MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2021-11-25 07:52:31,090 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 111.1MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:31,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.43ms. Allocated memory is still 111.1MB. Free memory was 74.8MB in the beginning and 88.5MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:52:31,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.43ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:52:31,092 INFO L158 Benchmark]: Boogie Preprocessor took 18.47ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 86.2MB in the end (delta: 760.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:52:31,092 INFO L158 Benchmark]: RCFGBuilder took 354.54ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 76.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:52:31,093 INFO L158 Benchmark]: CodeCheck took 10894.72ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 54.4MB in the end (delta: 22.2MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2021-11-25 07:52:31,095 INFO L158 Benchmark]: Witness Printer took 102.25ms. Allocated memory is still 161.5MB. Free memory was 54.4MB in the beginning and 51.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:52:31,098 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 1 procedures, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 24, 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, 2319 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1998 mSDsluCounter, 1132 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 725 mSDsCounter, 916 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5818 IncrementalHoareTripleChecker+Invalid, 6734 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 916 mSolverCounterUnsat, 407 mSDtfsCounter, 5818 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2477 GetRequests, 2161 SyntacticMatches, 94 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22807 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 21 PerfectInterpolantSequences, 28/33 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 - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((x <= 2147483647 && x <= 2147483647 + y) && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) && y <= 2147483647 + x - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 111.1MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.43ms. Allocated memory is still 111.1MB. Free memory was 74.8MB in the beginning and 88.5MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.43ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.47ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 86.2MB in the end (delta: 760.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.54ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 76.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10894.72ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 54.4MB in the end (delta: 22.2MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * Witness Printer took 102.25ms. Allocated memory is still 161.5MB. Free memory was 54.4MB in the beginning and 51.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:52:31,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_378646cc-4309-4718-b3e8-10cd833ebf6b/bin/ukojak-d1pc8ZmBRL/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 Result: TRUE